./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_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_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:22:51,154 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:22:51,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:22:51,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:22:51,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:22:51,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:22:51,162 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:22:51,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:22:51,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:22:51,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:22:51,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:22:51,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:22:51,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:22:51,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:22:51,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:22:51,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:22:51,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:22:51,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:22:51,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:22:51,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:22:51,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:22:51,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:22:51,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:22:51,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:22:51,171 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:22:51,172 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:22:51,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:22:51,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:22:51,173 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:22:51,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:22:51,174 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:22:51,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:22:51,174 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:22:51,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:22:51,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:22:51,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:22:51,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:22:51,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:22:51,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:22:51,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:22:51,183 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:22:51,183 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:22:51,184 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:22:51,184 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:22:51,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:22:51,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:22:51,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:22:51,186 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:22:51,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:22:51,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:22:51,186 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:22:51,186 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_980b3086-137c-4f17-985c-e74b0da8bbc4/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-12-03 07:22:51,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:22:51,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:22:51,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:22:51,216 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:22:51,217 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:22:51,217 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-03 07:22:51,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/data/1c8e5377a/b260cb9e800347539d550247453ce8d8/FLAGdf4fa0aca [2018-12-03 07:22:51,579 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:22:51,580 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-03 07:22:51,586 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/data/1c8e5377a/b260cb9e800347539d550247453ce8d8/FLAGdf4fa0aca [2018-12-03 07:22:51,594 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/data/1c8e5377a/b260cb9e800347539d550247453ce8d8 [2018-12-03 07:22:51,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:22:51,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:22:51,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:22:51,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:22:51,600 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:22:51,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51, skipping insertion in model container [2018-12-03 07:22:51,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:22:51,627 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:22:51,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:22:51,814 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:22:51,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:22:51,872 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:22:51,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51 WrapperNode [2018-12-03 07:22:51,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:22:51,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:22:51,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:22:51,873 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:22:51,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:22:51,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:22:51,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:22:51,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:22:51,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... [2018-12-03 07:22:51,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:22:51,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:22:51,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:22:51,914 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:22:51,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/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 [2018-12-03 07:22:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 07:22:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 07:22:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 07:22:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 07:22:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 07:22:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 07:22:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 07:22:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:22:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:22:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 07:22:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 07:22:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 07:22:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 07:22:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:22:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:22:52,237 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:22:52,237 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 07:22:52,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:22:52 BoogieIcfgContainer [2018-12-03 07:22:52,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:22:52,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:22:52,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:22:52,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:22:52,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:22:51" (1/3) ... [2018-12-03 07:22:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:22:52, skipping insertion in model container [2018-12-03 07:22:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:22:51" (2/3) ... [2018-12-03 07:22:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:22:52, skipping insertion in model container [2018-12-03 07:22:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:22:52" (3/3) ... [2018-12-03 07:22:52,242 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-03 07:22:52,248 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:22:52,253 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:22:52,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:22:52,280 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:22:52,281 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:22:52,281 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:22:52,281 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:22:52,281 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:22:52,281 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:22:52,281 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:22:52,281 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:22:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-03 07:22:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 07:22:52,298 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:52,298 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] [2018-12-03 07:22:52,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:52,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:52,303 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-12-03 07:22:52,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:52,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:52,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:52,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:52,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:22:52,441 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:52,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 07:22:52,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 07:22:52,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 07:22:52,453 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-03 07:22:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:52,478 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-12-03 07:22:52,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 07:22:52,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 07:22:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:52,486 INFO L225 Difference]: With dead ends: 306 [2018-12-03 07:22:52,486 INFO L226 Difference]: Without dead ends: 155 [2018-12-03 07:22:52,489 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 [2018-12-03 07:22:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-03 07:22:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-03 07:22:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-03 07:22:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-12-03 07:22:52,521 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-12-03 07:22:52,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:52,521 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-12-03 07:22:52,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 07:22:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-12-03 07:22:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 07:22:52,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:52,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:52,523 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:52,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-12-03 07:22:52,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:52,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:52,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:52,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:52,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:22:52,570 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:52,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:22:52,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:22:52,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:22:52,571 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-12-03 07:22:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:52,586 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-03 07:22:52,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:22:52,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 07:22:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:52,587 INFO L225 Difference]: With dead ends: 255 [2018-12-03 07:22:52,587 INFO L226 Difference]: Without dead ends: 146 [2018-12-03 07:22:52,588 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 [2018-12-03 07:22:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-03 07:22:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-03 07:22:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-03 07:22:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-12-03 07:22:52,596 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-12-03 07:22:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:52,596 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-12-03 07:22:52,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:22:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-12-03 07:22:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 07:22:52,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:52,597 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] [2018-12-03 07:22:52,598 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:52,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:52,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-12-03 07:22:52,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:52,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:52,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:52,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:52,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:22:52,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:52,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:22:52,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:22:52,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:22:52,665 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-12-03 07:22:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:52,856 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-12-03 07:22:52,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:22:52,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-03 07:22:52,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:52,857 INFO L225 Difference]: With dead ends: 264 [2018-12-03 07:22:52,857 INFO L226 Difference]: Without dead ends: 146 [2018-12-03 07:22:52,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:22:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-03 07:22:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-03 07:22:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-03 07:22:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-03 07:22:52,869 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-12-03 07:22:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:52,870 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-03 07:22:52,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:22:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-03 07:22:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-03 07:22:52,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:52,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:52,872 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:52,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:52,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-12-03 07:22:52,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:52,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:52,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:52,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:52,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:52,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:22:52,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:52,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:22:52,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:22:52,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:22:52,972 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-12-03 07:22:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:53,279 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-12-03 07:22:53,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:22:53,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-03 07:22:53,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:53,281 INFO L225 Difference]: With dead ends: 375 [2018-12-03 07:22:53,281 INFO L226 Difference]: Without dead ends: 257 [2018-12-03 07:22:53,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:22:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-03 07:22:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-12-03 07:22:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-12-03 07:22:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-12-03 07:22:53,305 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-12-03 07:22:53,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:53,305 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-12-03 07:22:53,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:22:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-12-03 07:22:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 07:22:53,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:53,307 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:53,307 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:53,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:53,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-12-03 07:22:53,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:53,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:53,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:53,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:53,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:22:53,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:53,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:22:53,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:22:53,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:22:53,374 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-12-03 07:22:53,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:53,493 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-12-03 07:22:53,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:22:53,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-03 07:22:53,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:53,495 INFO L225 Difference]: With dead ends: 643 [2018-12-03 07:22:53,495 INFO L226 Difference]: Without dead ends: 432 [2018-12-03 07:22:53,496 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 [2018-12-03 07:22:53,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-12-03 07:22:53,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-12-03 07:22:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-03 07:22:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-12-03 07:22:53,515 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-12-03 07:22:53,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:53,516 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-12-03 07:22:53,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:22:53,516 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-12-03 07:22:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-03 07:22:53,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:53,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:53,517 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:53,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:53,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-12-03 07:22:53,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:53,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:53,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:22:53,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:53,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:22:53,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:53,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:22:53,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:22:53,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:22:53,568 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-12-03 07:22:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:53,887 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-12-03 07:22:53,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 07:22:53,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-03 07:22:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:53,889 INFO L225 Difference]: With dead ends: 853 [2018-12-03 07:22:53,890 INFO L226 Difference]: Without dead ends: 455 [2018-12-03 07:22:53,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 07:22:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-03 07:22:53,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-12-03 07:22:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-12-03 07:22:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-12-03 07:22:53,905 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-12-03 07:22:53,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:53,905 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-12-03 07:22:53,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:22:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-12-03 07:22:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 07:22:53,906 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:53,907 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:53,907 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:53,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:53,907 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-12-03 07:22:53,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:53,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:53,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 07:22:53,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:53,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:22:53,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:53,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:22:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:22:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:22:53,942 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-12-03 07:22:53,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:53,965 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-12-03 07:22:53,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:22:53,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-03 07:22:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:53,967 INFO L225 Difference]: With dead ends: 836 [2018-12-03 07:22:53,967 INFO L226 Difference]: Without dead ends: 439 [2018-12-03 07:22:53,967 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 [2018-12-03 07:22:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-03 07:22:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-12-03 07:22:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-03 07:22:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-12-03 07:22:53,980 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-12-03 07:22:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:53,980 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-12-03 07:22:53,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:22:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-12-03 07:22:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 07:22:53,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:53,981 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:53,981 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:53,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:53,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-12-03 07:22:53,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:53,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:53,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:53,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 07:22:54,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:54,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 07:22:54,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:54,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 07:22:54,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 07:22:54,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 07:22:54,047 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-12-03 07:22:54,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:54,079 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-12-03 07:22:54,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:22:54,080 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-03 07:22:54,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:54,081 INFO L225 Difference]: With dead ends: 856 [2018-12-03 07:22:54,081 INFO L226 Difference]: Without dead ends: 449 [2018-12-03 07:22:54,082 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 [2018-12-03 07:22:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-03 07:22:54,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-03 07:22:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-03 07:22:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-12-03 07:22:54,095 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-12-03 07:22:54,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:54,095 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-12-03 07:22:54,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 07:22:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-12-03 07:22:54,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 07:22:54,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:54,096 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:54,096 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:54,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:54,096 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-12-03 07:22:54,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:54,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:54,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:54,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:54,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 07:22:54,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:22:54,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 07:22:54,140 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:54,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 07:22:54,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 07:22:54,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 07:22:54,141 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-12-03 07:22:54,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:54,287 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-12-03 07:22:54,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:22:54,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-03 07:22:54,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:54,291 INFO L225 Difference]: With dead ends: 1306 [2018-12-03 07:22:54,291 INFO L226 Difference]: Without dead ends: 891 [2018-12-03 07:22:54,292 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 [2018-12-03 07:22:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-12-03 07:22:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-12-03 07:22:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-03 07:22:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-12-03 07:22:54,325 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-12-03 07:22:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:54,325 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-12-03 07:22:54,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 07:22:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-12-03 07:22:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-03 07:22:54,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:54,326 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:54,327 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:54,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:54,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-12-03 07:22:54,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:54,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:54,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:54,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:54,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 07:22:54,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:22:54,421 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:22:54,422 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-03 07:22:54,423 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [122], [137], [138], [141], [143], [146], [148], [151], [154], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [204], [208], [241], [242], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [304], [305], [307], [308], [315], [316], [317], [318], [319], [320], [321], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [339], [340], [341], [347], [348], [349], [351], [352], [353], [354] [2018-12-03 07:22:54,447 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:22:54,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:22:54,712 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:22:54,713 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-03 07:22:54,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:54,717 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:22:54,977 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.68% of their original sizes. [2018-12-03 07:22:54,977 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:22:55,093 INFO L418 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-12-03 07:22:55,093 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:22:55,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:22:55,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-12-03 07:22:55,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:22:55,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 07:22:55,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 07:22:55,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-03 07:22:55,094 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-12-03 07:22:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:22:59,123 INFO L93 Difference]: Finished difference Result 2172 states and 2580 transitions. [2018-12-03 07:22:59,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 07:22:59,123 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-12-03 07:22:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:22:59,126 INFO L225 Difference]: With dead ends: 2172 [2018-12-03 07:22:59,126 INFO L226 Difference]: Without dead ends: 1324 [2018-12-03 07:22:59,128 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-12-03 07:22:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2018-12-03 07:22:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1322. [2018-12-03 07:22:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1322 states. [2018-12-03 07:22:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1526 transitions. [2018-12-03 07:22:59,163 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1526 transitions. Word has length 112 [2018-12-03 07:22:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:22:59,163 INFO L480 AbstractCegarLoop]: Abstraction has 1322 states and 1526 transitions. [2018-12-03 07:22:59,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 07:22:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1526 transitions. [2018-12-03 07:22:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-03 07:22:59,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:22:59,166 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:22:59,166 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:22:59,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:22:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash 627913357, now seen corresponding path program 1 times [2018-12-03 07:22:59,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:22:59,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:59,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:22:59,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:22:59,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:22:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:22:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 07:22:59,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:22:59,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:22:59,255 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-03 07:22:59,256 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-12-03 07:22:59,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:22:59,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:23:00,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:23:00,462 INFO L272 AbstractInterpreter]: Visited 147 different actions 1042 times. Merged at 17 different actions 67 times. Never widened. Performed 34739 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34739 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-03 07:23:00,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:23:00,464 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:23:00,708 INFO L227 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 97.79% of their original sizes. [2018-12-03 07:23:00,708 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:23:00,846 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-03 07:23:00,846 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:23:00,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:23:00,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-03 07:23:00,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:23:00,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-03 07:23:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-03 07:23:00,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2018-12-03 07:23:00,847 INFO L87 Difference]: Start difference. First operand 1322 states and 1526 transitions. Second operand 24 states. [2018-12-03 07:23:10,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:23:10,684 INFO L93 Difference]: Finished difference Result 4408 states and 5408 transitions. [2018-12-03 07:23:10,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-12-03 07:23:10,684 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 181 [2018-12-03 07:23:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:23:10,696 INFO L225 Difference]: With dead ends: 4408 [2018-12-03 07:23:10,696 INFO L226 Difference]: Without dead ends: 3397 [2018-12-03 07:23:10,700 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=825, Invalid=4287, Unknown=0, NotChecked=0, Total=5112 [2018-12-03 07:23:10,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-12-03 07:23:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2689. [2018-12-03 07:23:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2018-12-03 07:23:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3146 transitions. [2018-12-03 07:23:10,799 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3146 transitions. Word has length 181 [2018-12-03 07:23:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:23:10,800 INFO L480 AbstractCegarLoop]: Abstraction has 2689 states and 3146 transitions. [2018-12-03 07:23:10,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-03 07:23:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3146 transitions. [2018-12-03 07:23:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-03 07:23:10,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:23:10,804 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 07:23:10,804 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:23:10,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:23:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -971024625, now seen corresponding path program 1 times [2018-12-03 07:23:10,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:23:10,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:23:10,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:23:10,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:23:10,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:23:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:23:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 07:23:10,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:23:10,927 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:23:10,928 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-03 07:23:10,928 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [157], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-12-03 07:23:10,930 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:23:10,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:23:12,611 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:23:12,611 INFO L272 AbstractInterpreter]: Visited 150 different actions 1438 times. Merged at 22 different actions 133 times. Widened at 1 different actions 1 times. Performed 49389 root evaluator evaluations with a maximum evaluation depth of 5. Performed 49389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-03 07:23:12,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:23:12,614 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:23:12,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:23:12,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/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 [2018-12-03 07:23:12,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:23:12,621 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:23:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:23:12,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:23:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-03 07:23:12,874 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:23:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 07:23:13,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 07:23:13,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 07:23:13,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:23:13,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 07:23:13,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 07:23:13,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 07:23:13,362 INFO L87 Difference]: Start difference. First operand 2689 states and 3146 transitions. Second operand 8 states. [2018-12-03 07:23:13,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:23:13,528 INFO L93 Difference]: Finished difference Result 4278 states and 5094 transitions. [2018-12-03 07:23:13,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:23:13,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-12-03 07:23:13,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:23:13,530 INFO L225 Difference]: With dead ends: 4278 [2018-12-03 07:23:13,530 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:23:13,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 498 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 07:23:13,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:23:13,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:23:13,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:23:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:23:13,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-12-03 07:23:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:23:13,538 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:23:13,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 07:23:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:23:13,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:23:13,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:23:13,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:13,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:23:14,448 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2018-12-03 07:23:14,567 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2018-12-03 07:23:15,215 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2018-12-03 07:23:15,350 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2018-12-03 07:23:15,528 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2018-12-03 07:23:16,029 WARN L180 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2018-12-03 07:23:16,210 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 28 [2018-12-03 07:23:16,631 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 31 [2018-12-03 07:23:16,773 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2018-12-03 07:23:16,986 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2018-12-03 07:23:17,772 WARN L180 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 58 [2018-12-03 07:23:18,685 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2018-12-03 07:23:18,688 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-12-03 07:23:18,688 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-12-03 07:23:18,688 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-12-03 07:23:18,688 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-12-03 07:23:18,688 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-12-03 07:23:18,688 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,688 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-12-03 07:23:18,688 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,688 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,688 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-12-03 07:23:18,689 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 07:23:18,689 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-12-03 07:23:18,690 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-12-03 07:23:18,690 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,690 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse1))) [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-12-03 07:23:18,691 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse3) .cse2) (or .cse2 .cse1 .cse5 .cse4) (or .cse0 .cse2 .cse1 .cse5))) [2018-12-03 07:23:18,691 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-12-03 07:23:18,691 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-03 07:23:18,692 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-12-03 07:23:18,692 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2) (and .cse4 .cse0 .cse2))) [2018-12-03 07:23:18,692 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) (= 0 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (and .cse2 (not (= ~pumpRunning~0 0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and (not (= ~pumpRunning~0 0)) .cse1)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1) (and .cse2 (= 0 ~methaneLevelCritical~0) .cse1))) [2018-12-03 07:23:18,693 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (and .cse0 .cse3) (= 0 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (and (and (not (= ~waterLevel~0 1)) (not .cse2) .cse3 (not (= ~waterLevel~0 0))) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4) .cse5))) [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-03 07:23:18,693 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 (< ~methaneLevelCritical~0 1) (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse5 .cse2 .cse3) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse7 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse5 .cse2 .cse3) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse7 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~methAndRunningLastTime~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:23:18,694 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse2 .cse3 .cse5 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse2 .cse3 .cse5 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 07:23:18,695 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-12-03 07:23:18,695 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= 0 ~methaneLevelCritical~0) (or .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1 (= ~methaneLevelCritical~0 1)) (or .cse2 .cse3 (or .cse0 (= 0 ~pumpRunning~0))) (or .cse3 .cse2 .cse0 .cse1))) [2018-12-03 07:23:18,696 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-12-03 07:23:18,696 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-12-03 07:23:18,696 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| 1)) (.cse12 (= 0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= |old(~waterLevel~0)| 0)) (.cse7 (not (= ~waterLevel~0 0))) (.cse11 (not (= ~waterLevel~0 1))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse10 (and (= ~methAndRunningLastTime~0 0) .cse13)) (.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~waterLevel~0 2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not .cse12)) (.cse16 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (not .cse9)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (or .cse6 .cse3) .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse10 .cse2 .cse3 .cse4) (or .cse9 .cse0 .cse11 .cse2 .cse3 .cse4) (or .cse8 (or .cse2 .cse12) .cse13) (or .cse14 .cse0 .cse2 .cse3 .cse15 .cse16) (or .cse8 .cse9 .cse0 .cse11 .cse2 .cse3) (or .cse8 .cse10 .cse2 .cse3) (or .cse14 .cse0 .cse2 .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse16 .cse3 .cse15 .cse4) (or .cse13 (or .cse2 .cse4 .cse12))))) [2018-12-03 07:23:18,696 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| 1)) (.cse9 (= 0 |old(~pumpRunning~0)|)) (.cse15 (not (= ~waterLevel~0 1))) (.cse12 (not (= ~waterLevel~0 0))) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and .cse10 .cse7)) (.cse13 (= |old(~waterLevel~0)| 0)) (.cse2 (and .cse10 .cse15 (= ~pumpRunning~0 1) .cse12)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse16 (= ~waterLevel~0 2)) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not .cse9)) (.cse4 (not (= ~systemActive~0 1))) (.cse19 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse18 (not .cse14)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse4 .cse8 .cse9)) (or .cse10 (or .cse11 .cse4 .cse5)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or .cse1 .cse12 .cse13 .cse4 .cse5 .cse8) (or .cse0 .cse14 .cse1 .cse13 .cse4 .cse5 .cse12) (or .cse14 .cse1 .cse15 .cse4 .cse5 .cse8) (or .cse11 .cse1 .cse7 .cse4 .cse5) (or .cse1 .cse2 .cse16 .cse4 .cse5 .cse8 .cse17) (or .cse0 .cse14 .cse1 .cse15 .cse4 .cse5) (or .cse11 .cse1 .cse4 .cse5 .cse18 .cse19) (or .cse0 .cse6 (or .cse4 .cse9)) (or .cse11 .cse1 .cse4 .cse16 .cse5 .cse17) (or .cse1 .cse4 .cse19 .cse5 .cse18 .cse8)))) [2018-12-03 07:23:18,696 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse10 (= 0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~waterLevel~0 0)))) (let ((.cse11 (= ~methAndRunningLastTime~0 0)) (.cse9 (and .cse7 .cse5)) (.cse2 (= |old(~waterLevel~0)| 0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse15 (not (= ~methaneLevelCritical~0 1))) (.cse13 (= ~waterLevel~0 2)) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not .cse10)) (.cse17 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (not .cse1)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (or .cse9 (or .cse1 .cse2 .cse3 .cse8 .cse10)) (or .cse0 (and .cse11 .cse12) .cse3 .cse4) (or .cse6 .cse13 .cse3 .cse4 .cse8 .cse14) (or .cse6 (or .cse2 .cse4) .cse3 .cse5 .cse8) (or .cse12 .cse0 (or .cse3 .cse10)) (or .cse11 (or .cse3 .cse4 .cse8)) (or .cse9 .cse0 (or .cse1 .cse2 .cse3 .cse10)) (or .cse15 .cse6 .cse3 .cse4 .cse16 .cse17) (or .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (or .cse15 .cse6 .cse3 .cse13 .cse4 .cse14) (or .cse12 .cse3 .cse4 .cse8) (or .cse6 .cse3 .cse17 .cse4 .cse16 .cse8) (or .cse12 (or .cse3 .cse8 .cse10))))) [2018-12-03 07:23:18,696 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not .cse9)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse8 (= |old(~waterLevel~0)| 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse2) .cse4) (or .cse6 (or .cse7 .cse8 .cse1 .cse3 .cse9)) (or .cse5 (or .cse1 .cse9) .cse10) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse6 (or .cse7 .cse8 .cse1 .cse9)) (or .cse10 (or .cse1 .cse3 .cse9))))) [2018-12-03 07:23:18,696 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-12-03 07:23:18,696 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-12-03 07:23:18,696 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-12-03 07:23:18,696 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2 (= 0 ~pumpRunning~0))) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2) .cse0))) [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-12-03 07:23:18,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:23:18,697 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 07:23:18,698 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4) .cse0 .cse5 .cse1) (or .cse5 .cse0 .cse6 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse5 (and .cse6 .cse3 .cse4)))) [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-12-03 07:23:18,698 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~waterLevel~0 2)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse3 .cse7) (or .cse6 (or .cse1 .cse8) .cse2 .cse3 .cse7) (or .cse1 .cse2 .cse5 .cse3 .cse4 .cse8))) [2018-12-03 07:23:18,699 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-12-03 07:23:18,699 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-12-03 07:23:18,699 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-12-03 07:23:18,699 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-12-03 07:23:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:23:18 BoogieIcfgContainer [2018-12-03 07:23:18,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:23:18,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:23:18,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:23:18,709 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:23:18,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:22:52" (3/4) ... [2018-12-03 07:23:18,712 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 07:23:18,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 07:23:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 07:23:18,722 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-03 07:23:18,722 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 07:23:18,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 07:23:18,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 07:23:18,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 07:23:18,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 07:23:18,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || ((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(systemActive == 1)) || ((((!(waterLevel == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:23:18,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:23:18,776 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_980b3086-137c-4f17-985c-e74b0da8bbc4/bin-2019/utaipan/witness.graphml [2018-12-03 07:23:18,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:23:18,777 INFO L168 Benchmark]: Toolchain (without parser) took 27180.07 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 947.0 MB in the beginning and 1.4 GB in the end (delta: -498.0 MB). Peak memory consumption was 821.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:23:18,777 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-03 07:23:18,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:23:18,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 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. [2018-12-03 07:23:18,777 INFO L168 Benchmark]: Boogie Preprocessor took 21.22 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. [2018-12-03 07:23:18,777 INFO L168 Benchmark]: RCFGBuilder took 323.99 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. [2018-12-03 07:23:18,778 INFO L168 Benchmark]: TraceAbstraction took 26469.80 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -408.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-03 07:23:18,778 INFO L168 Benchmark]: Witness Printer took 68.05 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 11.5 GB. [2018-12-03 07:23:18,779 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 274.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 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. * Boogie Preprocessor took 21.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 323.99 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 26469.80 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -408.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 68.05 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || ((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(systemActive == 1)) || ((((!(waterLevel == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 26.4s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 15.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2965 SDtfs, 3772 SDslu, 10492 SDs, 0 SdLazy, 5065 SolverSat, 2503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 969 GetRequests, 795 SyntacticMatches, 8 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1706 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2689occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9963994240532926 AbsIntWeakeningRatio, 0.8762886597938144 AbsIntAvgWeakeningVarsNumRemoved, 93.2508591065292 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 789 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3721 PreInvPairs, 3967 NumberOfFragments, 3418 HoareAnnotationTreeSize, 3721 FomulaSimplifications, 19065 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 43946 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1544 NumberOfCodeBlocks, 1544 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1787 ConstructedInterpolants, 0 QuantifiedInterpolants, 409786 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1132 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 581/613 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...