./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_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_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/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 4366671714130af280ec4232c34176d9c997fd05 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:39:33,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:39:33,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:39:33,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:39:33,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:39:33,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:39:33,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:39:33,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:39:33,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:39:33,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:39:33,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:39:33,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:39:33,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:39:33,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:39:33,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:39:33,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:39:33,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:39:33,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:39:33,124 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:39:33,125 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:39:33,126 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:39:33,127 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:39:33,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:39:33,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:39:33,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:39:33,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:39:33,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:39:33,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:39:33,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:39:33,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:39:33,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:39:33,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:39:33,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:39:33,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:39:33,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:39:33,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:39:33,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:39:33,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:39:33,139 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:39:33,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:39:33,140 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:39:33,140 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:39:33,140 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:39:33,140 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:39:33,141 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:39:33,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:39:33,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:39:33,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:39:33,142 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:39:33,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:39:33,143 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:39:33,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:39:33,144 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:39:33,144 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:39:33,144 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:39:33,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:39:33,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:39:33,144 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:39:33,145 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:39:33,145 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:39:33,145 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:39:33,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:39:33,145 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:39:33,145 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_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-12-03 02:39:33,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:39:33,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:39:33,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:39:33,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:39:33,180 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:39:33,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:33,217 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/data/98b185af1/00982bbba13749918cb67fe2cd39bd6c/FLAG6345cf258 [2018-12-03 02:39:33,553 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:39:33,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:33,559 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/data/98b185af1/00982bbba13749918cb67fe2cd39bd6c/FLAG6345cf258 [2018-12-03 02:39:33,567 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/data/98b185af1/00982bbba13749918cb67fe2cd39bd6c [2018-12-03 02:39:33,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:39:33,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:39:33,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:39:33,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:39:33,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:39:33,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33, skipping insertion in model container [2018-12-03 02:39:33,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:39:33,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:39:33,745 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:39:33,788 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:39:33,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:39:33,862 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:39:33,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33 WrapperNode [2018-12-03 02:39:33,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:39:33,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:39:33,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:39:33,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:39:33,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:39:33,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:39:33,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:39:33,888 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:39:33,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... [2018-12-03 02:39:33,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:39:33,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:39:33,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:39:33,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:39:33,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/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 02:39:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 02:39:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 02:39:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:39:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:39:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:39:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 02:39:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 02:39:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 02:39:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 02:39:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 02:39:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 02:39:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 02:39:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 02:39:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 02:39:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 02:39:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 02:39:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 02:39:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 02:39:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 02:39:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 02:39:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 02:39:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 02:39:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 02:39:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 02:39:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 02:39:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 02:39:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 02:39:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 02:39:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 02:39:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 02:39:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 02:39:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 02:39:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 02:39:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 02:39:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 02:39:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 02:39:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 02:39:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 02:39:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 02:39:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 02:39:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 02:39:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 02:39:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 02:39:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 02:39:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 02:39:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 02:39:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 02:39:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 02:39:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 02:39:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-03 02:39:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-03 02:39:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 02:39:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:39:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:39:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 02:39:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 02:39:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 02:39:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 02:39:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:39:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:39:34,249 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:39:34,249 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 02:39:34,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:34 BoogieIcfgContainer [2018-12-03 02:39:34,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:39:34,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:39:34,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:39:34,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:39:34,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:39:33" (1/3) ... [2018-12-03 02:39:34,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e637224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:39:34, skipping insertion in model container [2018-12-03 02:39:34,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:33" (2/3) ... [2018-12-03 02:39:34,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e637224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:39:34, skipping insertion in model container [2018-12-03 02:39:34,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:34" (3/3) ... [2018-12-03 02:39:34,254 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:34,261 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:39:34,265 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:39:34,275 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:39:34,294 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:39:34,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:39:34,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:39:34,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:39:34,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:39:34,294 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:39:34,295 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:39:34,295 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:39:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-12-03 02:39:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 02:39:34,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:34,313 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 02:39:34,314 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:34,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:34,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-12-03 02:39:34,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:34,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:34,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:34,465 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 02:39:34,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:34,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:39:34,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:34,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:39:34,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:39:34,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:39:34,479 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-12-03 02:39:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:34,504 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-12-03 02:39:34,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:39:34,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 02:39:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:34,511 INFO L225 Difference]: With dead ends: 274 [2018-12-03 02:39:34,512 INFO L226 Difference]: Without dead ends: 139 [2018-12-03 02:39:34,514 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 02:39:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-03 02:39:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-03 02:39:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-03 02:39:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-03 02:39:34,545 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-12-03 02:39:34,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:34,545 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-03 02:39:34,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:39:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-03 02:39:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 02:39:34,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:34,547 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 02:39:34,548 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:34,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:34,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-12-03 02:39:34,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:34,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:34,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:34,609 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 02:39:34,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:34,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:39:34,609 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:34,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:39:34,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:39:34,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:39:34,611 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-12-03 02:39:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:34,624 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-03 02:39:34,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:39:34,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 02:39:34,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:34,625 INFO L225 Difference]: With dead ends: 219 [2018-12-03 02:39:34,625 INFO L226 Difference]: Without dead ends: 130 [2018-12-03 02:39:34,626 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 02:39:34,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-03 02:39:34,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-03 02:39:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-03 02:39:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-12-03 02:39:34,634 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-12-03 02:39:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:34,634 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-12-03 02:39:34,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:39:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-12-03 02:39:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 02:39:34,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:34,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:34,636 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:34,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:34,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-12-03 02:39:34,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:34,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:34,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:34,722 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 02:39:34,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:34,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:39:34,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:34,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:39:34,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:39:34,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:39:34,724 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-12-03 02:39:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:34,880 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-12-03 02:39:34,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 02:39:34,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 02:39:34,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:34,882 INFO L225 Difference]: With dead ends: 232 [2018-12-03 02:39:34,883 INFO L226 Difference]: Without dead ends: 130 [2018-12-03 02:39:34,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:39:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-03 02:39:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-03 02:39:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-03 02:39:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-03 02:39:34,895 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-12-03 02:39:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:34,896 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-03 02:39:34,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:39:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-03 02:39:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 02:39:34,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:34,898 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] [2018-12-03 02:39:34,898 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:34,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:34,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-12-03 02:39:34,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:34,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:34,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:34,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:34,978 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 02:39:34,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:34,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 02:39:34,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:34,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 02:39:34,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 02:39:34,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 02:39:34,980 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-12-03 02:39:35,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:35,278 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-12-03 02:39:35,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:39:35,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-03 02:39:35,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:35,280 INFO L225 Difference]: With dead ends: 340 [2018-12-03 02:39:35,280 INFO L226 Difference]: Without dead ends: 238 [2018-12-03 02:39:35,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 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 02:39:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-12-03 02:39:35,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-12-03 02:39:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-12-03 02:39:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-12-03 02:39:35,302 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-12-03 02:39:35,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:35,302 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-12-03 02:39:35,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 02:39:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-12-03 02:39:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-03 02:39:35,304 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:35,304 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] [2018-12-03 02:39:35,304 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:35,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-12-03 02:39:35,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:35,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:35,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:35,376 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 02:39:35,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:35,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 02:39:35,377 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:35,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:39:35,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:39:35,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:39:35,378 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-12-03 02:39:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:35,411 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-12-03 02:39:35,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:39:35,412 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-03 02:39:35,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:35,414 INFO L225 Difference]: With dead ends: 417 [2018-12-03 02:39:35,414 INFO L226 Difference]: Without dead ends: 226 [2018-12-03 02:39:35,415 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 02:39:35,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-03 02:39:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-12-03 02:39:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-03 02:39:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-12-03 02:39:35,433 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-12-03 02:39:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:35,434 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-12-03 02:39:35,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:39:35,434 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-12-03 02:39:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-03 02:39:35,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:35,436 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] [2018-12-03 02:39:35,436 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:35,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:35,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-12-03 02:39:35,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:35,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:35,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,437 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:35,506 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 02:39:35,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:35,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:39:35,506 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:35,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:39:35,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:39:35,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:39:35,507 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-12-03 02:39:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:35,631 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-12-03 02:39:35,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:39:35,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-03 02:39:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:35,632 INFO L225 Difference]: With dead ends: 595 [2018-12-03 02:39:35,632 INFO L226 Difference]: Without dead ends: 400 [2018-12-03 02:39:35,633 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 02:39:35,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-12-03 02:39:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-12-03 02:39:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-12-03 02:39:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-12-03 02:39:35,649 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-12-03 02:39:35,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:35,649 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-12-03 02:39:35,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:39:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-12-03 02:39:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 02:39:35,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:35,650 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 02:39:35,650 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:35,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-12-03 02:39:35,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:35,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:35,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:35,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:35,710 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 02:39:35,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:35,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:39:35,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:35,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:39:35,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:39:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:39:35,711 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-12-03 02:39:36,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:36,001 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-12-03 02:39:36,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 02:39:36,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-03 02:39:36,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:36,003 INFO L225 Difference]: With dead ends: 791 [2018-12-03 02:39:36,003 INFO L226 Difference]: Without dead ends: 425 [2018-12-03 02:39:36,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 02:39:36,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-03 02:39:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-12-03 02:39:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-12-03 02:39:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-12-03 02:39:36,018 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-12-03 02:39:36,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:36,018 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-12-03 02:39:36,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:39:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-12-03 02:39:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-03 02:39:36,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:36,019 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:36,020 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:36,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:36,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-12-03 02:39:36,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:36,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:36,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:36,065 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 02:39:36,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:36,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:39:36,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:36,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:39:36,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:39:36,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:39:36,066 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-12-03 02:39:36,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:36,090 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-12-03 02:39:36,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 02:39:36,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-03 02:39:36,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:36,092 INFO L225 Difference]: With dead ends: 772 [2018-12-03 02:39:36,093 INFO L226 Difference]: Without dead ends: 407 [2018-12-03 02:39:36,094 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 02:39:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-03 02:39:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-12-03 02:39:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-12-03 02:39:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-12-03 02:39:36,114 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-12-03 02:39:36,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:36,115 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-12-03 02:39:36,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:39:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-12-03 02:39:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-03 02:39:36,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:36,116 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:36,116 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:36,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-12-03 02:39:36,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:36,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:36,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:36,170 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 02:39:36,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:36,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 02:39:36,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:36,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 02:39:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 02:39:36,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 02:39:36,171 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-12-03 02:39:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:36,299 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-12-03 02:39:36,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 02:39:36,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-03 02:39:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:36,301 INFO L225 Difference]: With dead ends: 1188 [2018-12-03 02:39:36,301 INFO L226 Difference]: Without dead ends: 813 [2018-12-03 02:39:36,302 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 02:39:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-03 02:39:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-12-03 02:39:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-12-03 02:39:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-12-03 02:39:36,328 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-12-03 02:39:36,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:36,328 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-12-03 02:39:36,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 02:39:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-12-03 02:39:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 02:39:36,330 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:36,330 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 02:39:36,330 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:36,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:36,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-12-03 02:39:36,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:36,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:36,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:36,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:36,414 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 02:39:36,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:36,414 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:36,415 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-03 02:39:36,416 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [192], [196], [229], [230], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [273], [274], [276], [277], [284], [285], [286], [287], [288], [289], [292], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [310], [311], [312], [318], [319], [320] [2018-12-03 02:39:36,446 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:36,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:36,790 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:39:36,791 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-03 02:39:36,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:36,808 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:39:37,001 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.68% of their original sizes. [2018-12-03 02:39:37,002 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:39:37,112 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-03 02:39:37,112 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:39:37,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:39:37,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-12-03 02:39:37,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:37,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 02:39:37,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 02:39:37,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:39:37,113 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-12-03 02:39:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:40,116 INFO L93 Difference]: Finished difference Result 2019 states and 2386 transitions. [2018-12-03 02:39:40,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 02:39:40,116 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-03 02:39:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:40,121 INFO L225 Difference]: With dead ends: 2019 [2018-12-03 02:39:40,121 INFO L226 Difference]: Without dead ends: 1249 [2018-12-03 02:39:40,123 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-12-03 02:39:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-12-03 02:39:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1243. [2018-12-03 02:39:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-12-03 02:39:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1430 transitions. [2018-12-03 02:39:40,183 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1430 transitions. Word has length 108 [2018-12-03 02:39:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:40,183 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1430 transitions. [2018-12-03 02:39:40,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 02:39:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1430 transitions. [2018-12-03 02:39:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-03 02:39:40,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:40,187 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:40,187 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:40,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:40,187 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-12-03 02:39:40,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:40,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:40,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:40,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:40,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 02:39:40,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:40,273 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:40,273 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-03 02:39:40,273 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-12-03 02:39:40,275 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:40,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:41,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:39:41,588 INFO L272 AbstractInterpreter]: Visited 127 different actions 1025 times. Merged at 21 different actions 90 times. Never widened. Performed 38835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 38835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-03 02:39:41,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:41,590 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:39:41,823 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 97.83% of their original sizes. [2018-12-03 02:39:41,824 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:39:41,919 INFO L418 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-12-03 02:39:41,919 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:39:41,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:39:41,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-03 02:39:41,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:41,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-03 02:39:41,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-03 02:39:41,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-12-03 02:39:41,920 INFO L87 Difference]: Start difference. First operand 1243 states and 1430 transitions. Second operand 22 states. [2018-12-03 02:39:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:48,792 INFO L93 Difference]: Finished difference Result 3760 states and 4592 transitions. [2018-12-03 02:39:48,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-03 02:39:48,793 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 160 [2018-12-03 02:39:48,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:48,799 INFO L225 Difference]: With dead ends: 3760 [2018-12-03 02:39:48,799 INFO L226 Difference]: Without dead ends: 2824 [2018-12-03 02:39:48,801 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2018-12-03 02:39:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2018-12-03 02:39:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2247. [2018-12-03 02:39:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2247 states. [2018-12-03 02:39:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 2614 transitions. [2018-12-03 02:39:48,885 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 2614 transitions. Word has length 160 [2018-12-03 02:39:48,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:48,885 INFO L480 AbstractCegarLoop]: Abstraction has 2247 states and 2614 transitions. [2018-12-03 02:39:48,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-03 02:39:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2614 transitions. [2018-12-03 02:39:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-03 02:39:48,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:48,889 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, 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] [2018-12-03 02:39:48,889 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:48,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:48,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1137419241, now seen corresponding path program 1 times [2018-12-03 02:39:48,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:48,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:48,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:48,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:48,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 02:39:48,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:48,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:48,955 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-12-03 02:39:48,955 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [145], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [235], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-12-03 02:39:48,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:48,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:50,342 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:39:50,342 INFO L272 AbstractInterpreter]: Visited 131 different actions 1210 times. Merged at 22 different actions 126 times. Never widened. Performed 43409 root evaluator evaluations with a maximum evaluation depth of 3. Performed 43409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 36 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-03 02:39:50,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:50,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:39:50,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:50,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/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 02:39:50,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:50,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:39:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:50,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:39:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 121 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 02:39:50,522 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:39:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 02:39:50,777 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:39:50,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-12-03 02:39:50,778 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:39:50,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:39:50,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:39:50,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:39:50,778 INFO L87 Difference]: Start difference. First operand 2247 states and 2614 transitions. Second operand 8 states. [2018-12-03 02:39:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:51,234 INFO L93 Difference]: Finished difference Result 4118 states and 5059 transitions. [2018-12-03 02:39:51,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:39:51,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2018-12-03 02:39:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:51,243 INFO L225 Difference]: With dead ends: 4118 [2018-12-03 02:39:51,244 INFO L226 Difference]: Without dead ends: 2384 [2018-12-03 02:39:51,248 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:39:51,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2018-12-03 02:39:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2200. [2018-12-03 02:39:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2018-12-03 02:39:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 2561 transitions. [2018-12-03 02:39:51,354 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 2561 transitions. Word has length 219 [2018-12-03 02:39:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:51,355 INFO L480 AbstractCegarLoop]: Abstraction has 2200 states and 2561 transitions. [2018-12-03 02:39:51,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:39:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2561 transitions. [2018-12-03 02:39:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-03 02:39:51,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:51,358 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, 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] [2018-12-03 02:39:51,359 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:51,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1089773777, now seen corresponding path program 1 times [2018-12-03 02:39:51,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:51,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:51,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:51,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:51,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 02:39:51,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:51,454 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:51,454 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-03 02:39:51,454 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [145], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [248], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-12-03 02:39:51,456 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:51,456 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:52,374 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:39:52,374 INFO L272 AbstractInterpreter]: Visited 131 different actions 986 times. Merged at 22 different actions 107 times. Never widened. Performed 28897 root evaluator evaluations with a maximum evaluation depth of 3. Performed 28897 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 30 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-03 02:39:52,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:52,375 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:39:52,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:52,375 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:39:52,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:52,381 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:39:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:52,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:39:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-03 02:39:52,531 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:39:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 02:39:52,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 02:39:52,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 02:39:52,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:52,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:39:52,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:39:52,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 02:39:52,879 INFO L87 Difference]: Start difference. First operand 2200 states and 2561 transitions. Second operand 8 states. [2018-12-03 02:39:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:53,034 INFO L93 Difference]: Finished difference Result 3219 states and 3756 transitions. [2018-12-03 02:39:53,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:39:53,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-03 02:39:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:53,035 INFO L225 Difference]: With dead ends: 3219 [2018-12-03 02:39:53,035 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:39:53,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 430 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 02:39:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:39:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:39:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:39:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:39:53,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-03 02:39:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:53,041 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:39:53,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:39:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:39:53,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:39:53,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:39:53,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:53,964 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2018-12-03 02:39:54,132 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2018-12-03 02:39:54,526 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 41 [2018-12-03 02:39:54,702 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2018-12-03 02:39:55,107 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-03 02:39:55,269 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 33 [2018-12-03 02:39:55,657 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2018-12-03 02:39:55,818 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-12-03 02:39:56,056 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 30 [2018-12-03 02:39:56,476 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2018-12-03 02:39:56,633 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2018-12-03 02:39:56,820 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-12-03 02:39:56,957 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2018-12-03 02:39:57,579 WARN L180 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 50 [2018-12-03 02:39:58,238 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2018-12-03 02:39:58,241 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-03 02:39:58,242 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-03 02:39:58,242 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-03 02:39:58,242 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-03 02:39:58,242 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-03 02:39:58,243 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,243 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,243 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,243 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-12-03 02:39:58,244 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-12-03 02:39:58,244 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-12-03 02:39:58,244 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-12-03 02:39:58,244 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,245 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,245 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,245 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-12-03 02:39:58,245 INFO L444 ceAbstractionStarter]: At program point L705(line 705) 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 02:39:58,246 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-12-03 02:39:58,246 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= 0 |old(~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) .cse3 (not .cse2) .cse0 .cse4))) [2018-12-03 02:39:58,246 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4 .cse3))) [2018-12-03 02:39:58,247 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-12-03 02:39:58,247 INFO L444 ceAbstractionStarter]: At program point L692(line 692) 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 02:39:58,247 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-03 02:39:58,247 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-12-03 02:39:58,248 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) 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 02:39:58,248 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-12-03 02:39:58,248 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-12-03 02:39:58,249 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-12-03 02:39:58,249 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-12-03 02:39:58,249 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-03 02:39:58,249 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-03 02:39:58,249 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,250 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-12-03 02:39:58,250 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,250 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-12-03 02:39:58,250 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-12-03 02:39:58,250 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-12-03 02:39:58,250 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-03 02:39:58,250 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-12-03 02:39:58,251 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-03 02:39:58,251 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) 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 02:39:58,251 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-12-03 02:39:58,251 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-12-03 02:39:58,252 INFO L444 ceAbstractionStarter]: At program point L731(line 731) 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 02:39:58,252 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-12-03 02:39:58,252 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-12-03 02:39:58,253 INFO L444 ceAbstractionStarter]: At program point L726(line 726) 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 02:39:58,253 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) 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 02:39:58,254 INFO L444 ceAbstractionStarter]: At program point L722(line 722) 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~5) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-03 02:39:58,254 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-12-03 02:39:58,254 INFO L444 ceAbstractionStarter]: At program point L718(line 718) 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 02:39:58,254 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-12-03 02:39:58,254 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-12-03 02:39:58,255 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-03 02:39:58,255 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-12-03 02:39:58,255 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-12-03 02:39:58,255 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-12-03 02:39:58,255 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-12-03 02:39:58,255 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-12-03 02:39:58,255 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,256 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:58,256 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-12-03 02:39:58,256 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-12-03 02:39:58,256 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-03 02:39:58,256 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-12-03 02:39:58,256 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-03 02:39:58,257 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-12-03 02:39:58,257 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:58,257 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-12-03 02:39:58,257 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-12-03 02:39:58,257 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:58,257 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (and (and .cse0 .cse1 (not .cse2)) (<= 2 ~waterLevel~0)) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse4 (= 0 ~methaneLevelCritical~0) .cse1 .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse3 .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-12-03 02:39:58,258 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not .cse6)) (.cse1 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1 .cse3)))) [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-12-03 02:39:58,258 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-12-03 02:39:58,259 INFO L444 ceAbstractionStarter]: At program point L887(line 887) 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 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:58,259 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-12-03 02:39:58,259 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-12-03 02:39:58,259 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:58,259 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-03 02:39:58,260 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (and (or .cse6 .cse7 .cse9) (or (= ~waterLevel~0 0) .cse6 .cse7))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse6 .cse7) (or .cse2 .cse3 .cse1 .cse4 .cse8) (or .cse1 .cse3 .cse5 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse4 (not (= ~waterLevel~0 1)) .cse8)))) [2018-12-03 02:39:58,260 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-12-03 02:39:58,260 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (and (or .cse6 .cse7 .cse9) (or (= ~waterLevel~0 0) .cse6 .cse7))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse6 .cse7) (or .cse2 .cse3 .cse1 .cse4 .cse8) (or .cse1 .cse3 .cse5 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse4 (not (= ~waterLevel~0 1)) .cse8)))) [2018-12-03 02:39:58,261 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 02:39:58,261 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:39:58,261 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 02:39:58,262 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:39:58,262 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-12-03 02:39:58,262 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-03 02:39:58,262 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-03 02:39:58,262 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-12-03 02:39:58,262 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-03 02:39:58,262 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-12-03 02:39:58,263 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse6 (< ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse7)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse3 .cse7) .cse8) (or .cse6 .cse2 (or .cse0 .cse3 .cse4)) (or .cse5 .cse1 .cse8 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-12-03 02:39:58,264 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-12-03 02:39:58,264 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= 0 |old(~pumpRunning~0)|)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< 0 |old(~waterLevel~0)|)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (and .cse13 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse9 (not .cse8)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse11 .cse8)) (.cse2 (or .cse7 .cse12 .cse8))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse0) (or .cse4 .cse5 .cse6 (or .cse7 .cse8)) (or .cse4 .cse9 .cse10 .cse7 .cse11) (or .cse10 .cse9 .cse7 .cse11 .cse12) (or .cse4 (or .cse7 .cse11) .cse5 .cse13) (or .cse3 (and .cse13 .cse6)) (or .cse6 .cse2)))) [2018-12-03 02:39:58,264 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (or .cse8 .cse10 .cse13)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse7 (not .cse13)) (.cse11 (and .cse15 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse16)) (.cse6 (and .cse15 .cse16 .cse4)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (or .cse14 .cse8 .cse9 .cse13))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse12 (< |old(~waterLevel~0)| 2) (or .cse8 .cse13) .cse3) (or .cse14 .cse4 .cse7 .cse8 .cse9) (or .cse12 .cse7 .cse11 .cse6 .cse8 .cse9) (or (and .cse15 .cse3) .cse5)))) [2018-12-03 02:39:58,264 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse8)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse7 (and .cse5 .cse6)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse7 (or .cse1 .cse3 .cse8)) (or .cse9 .cse0 .cse1 .cse2) (or .cse9 .cse4 (or .cse1 .cse2) .cse10) (or .cse9 .cse10 .cse7 (or .cse1 .cse8))))) [2018-12-03 02:39:58,264 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse0 (and .cse9 .cse3 .cse4)) (.cse8 (not .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or (and .cse3 .cse4) (or .cse1 .cse5 .cse6)) (or .cse7 .cse8 .cse0 .cse1 .cse2) (or .cse7 .cse9 (or .cse1 .cse2) .cse10) (or .cse7 .cse10 (or .cse1 .cse6) (and .cse4 .cse3)) (or .cse0 .cse8 .cse1 .cse2 .cse5)))) [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-12-03 02:39:58,265 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-12-03 02:39:58,265 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-12-03 02:39:58,265 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-12-03 02:39:58,266 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (let ((.cse1 (or .cse2 .cse3)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) .cse0) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) .cse1 .cse0)))) [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-12-03 02:39:58,266 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-12-03 02:39:58,266 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:39:58,267 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 02:39:58,267 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 (or .cse1 .cse3 .cse4)) (or .cse5 (not .cse4) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse5 (< ~waterLevel~0 2) (or .cse1 .cse4) .cse0))) [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (or (not .cse2) .cse3 .cse4)) (or (or (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse4) .cse1) (or .cse1 .cse0 (or .cse3 .cse2) (< |old(~waterLevel~0)| 2)))) [2018-12-03 02:39:58,267 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-03 02:39:58,267 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-12-03 02:39:58,268 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-12-03 02:39:58,268 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-03 02:39:58,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:39:58 BoogieIcfgContainer [2018-12-03 02:39:58,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:39:58,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:39:58,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:39:58,282 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:39:58,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:34" (3/4) ... [2018-12-03 02:39:58,285 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 02:39:58,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 02:39:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 02:39:58,292 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 02:39:58,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:39:58,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 02:39:58,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 02:39:58,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_640dc3a4-6503-46b0-b587-fe1ed4e2b4ac/bin-2019/utaipan/witness.graphml [2018-12-03 02:39:58,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:39:58,339 INFO L168 Benchmark]: Toolchain (without parser) took 24769.41 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 953.5 MB in the beginning and 1.6 GB in the end (delta: -678.4 MB). Peak memory consumption was 543.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:58,339 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:58,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:58,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:58,339 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:58,339 INFO L168 Benchmark]: RCFGBuilder took 332.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:58,340 INFO L168 Benchmark]: TraceAbstraction took 24030.84 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -575.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-03 02:39:58,340 INFO L168 Benchmark]: Witness Printer took 56.80 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 77.9 kB). Peak memory consumption was 77.9 kB. Max. memory is 11.5 GB. [2018-12-03 02:39:58,341 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24030.84 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -575.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 56.80 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 77.9 kB). Peak memory consumption was 77.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 23.9s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 11.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2877 SDtfs, 3288 SDslu, 8682 SDs, 0 SdLazy, 4467 SolverSat, 1983 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1311 GetRequests, 1140 SyntacticMatches, 8 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2247occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964493262239209 AbsIntWeakeningRatio, 0.9135338345864662 AbsIntAvgWeakeningVarsNumRemoved, 95.54511278195488 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 846 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3478 PreInvPairs, 3711 NumberOfFragments, 3265 HoareAnnotationTreeSize, 3478 FomulaSimplifications, 31940 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 64 FomulaSimplificationsInter, 41493 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1846 NumberOfCodeBlocks, 1846 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2271 ConstructedInterpolants, 0 QuantifiedInterpolants, 572985 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2137 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 940/1030 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...