./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_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_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/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 d3ebf7e0857ea2577a0261191567e6475555f928 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:49:44,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:49:44,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:49:44,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:49:44,142 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:49:44,143 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:49:44,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:49:44,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:49:44,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:49:44,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:49:44,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:49:44,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:49:44,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:49:44,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:49:44,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:49:44,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:49:44,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:49:44,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:49:44,150 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:49:44,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:49:44,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:49:44,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:49:44,153 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:49:44,153 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:49:44,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:49:44,154 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:49:44,154 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:49:44,155 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:49:44,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:49:44,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:49:44,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:49:44,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:49:44,157 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:49:44,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:49:44,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:49:44,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:49:44,158 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:49:44,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:49:44,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:49:44,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:49:44,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:49:44,170 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:49:44,171 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:49:44,171 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:49:44,171 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:49:44,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:49:44,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:49:44,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:49:44,173 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:49:44,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:49:44,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:49:44,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:49:44,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:49:44,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:49:44,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:49:44,174 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:49:44,174 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_16123932-de2b-436c-b862-0750be06d17e/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-12-09 09:49:44,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:49:44,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:49:44,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:49:44,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:49:44,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:49:44,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:44,257 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/data/d412eb9ff/f59692f51581483c95e2b5ae69b14c03/FLAG710268c81 [2018-12-09 09:49:44,664 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:49:44,664 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:44,671 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/data/d412eb9ff/f59692f51581483c95e2b5ae69b14c03/FLAG710268c81 [2018-12-09 09:49:44,681 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/data/d412eb9ff/f59692f51581483c95e2b5ae69b14c03 [2018-12-09 09:49:44,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:49:44,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:49:44,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:49:44,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:49:44,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:49:44,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:49:44" (1/1) ... [2018-12-09 09:49:44,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:44, skipping insertion in model container [2018-12-09 09:49:44,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:49:44" (1/1) ... [2018-12-09 09:49:44,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:49:44,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:49:44,892 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:49:44,935 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:49:44,987 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:49:45,004 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:49:45,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45 WrapperNode [2018-12-09 09:49:45,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:49:45,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:49:45,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:49:45,005 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:49:45,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:49:45,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:49:45,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:49:45,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:49:45,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... [2018-12-09 09:49:45,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:49:45,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:49:45,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:49:45,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:49:45,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:49:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:49:45,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:49:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:49:45,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:49:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:49:45,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:49:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:49:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:49:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:49:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:49:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:49:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:49:45,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:49:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:49:45,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:49:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:49:45,085 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:49:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:49:45,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:49:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:49:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:49:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:49:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:49:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:49:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:49:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:49:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:49:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:49:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:49:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:49:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:49:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:49:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:49:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:49:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:49:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:49:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:49:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:49:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:49:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:49:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:49:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:49:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:49:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:49:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:49:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:49:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:49:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:49:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:49:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:49:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:49:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:49:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:49:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:49:45,375 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:49:45,375 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:49:45,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:45 BoogieIcfgContainer [2018-12-09 09:49:45,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:49:45,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:49:45,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:49:45,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:49:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:49:44" (1/3) ... [2018-12-09 09:49:45,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9454289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:49:45, skipping insertion in model container [2018-12-09 09:49:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:45" (2/3) ... [2018-12-09 09:49:45,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9454289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:49:45, skipping insertion in model container [2018-12-09 09:49:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:45" (3/3) ... [2018-12-09 09:49:45,380 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:45,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:49:45,391 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:49:45,400 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:49:45,418 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:49:45,418 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:49:45,418 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:49:45,418 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:49:45,418 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:49:45,418 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:49:45,419 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:49:45,419 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:49:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-12-09 09:49:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:49:45,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:45,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:45,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:45,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:45,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-12-09 09:49:45,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:45,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:45,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:45,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:45,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:49:45,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:45,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:49:45,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:49:45,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:49:45,600 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-12-09 09:49:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:45,623 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-12-09 09:49:45,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:49:45,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 09:49:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:45,631 INFO L225 Difference]: With dead ends: 278 [2018-12-09 09:49:45,631 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 09:49:45,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:49:45,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 09:49:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-09 09:49:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-09 09:49:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-12-09 09:49:45,665 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-12-09 09:49:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:45,665 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-12-09 09:49:45,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:49:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-12-09 09:49:45,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:49:45,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:45,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:45,667 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:45,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:45,667 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-12-09 09:49:45,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:45,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:45,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:45,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:45,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:49:45,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:45,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:49:45,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:49:45,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:49:45,721 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-12-09 09:49:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:45,737 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-12-09 09:49:45,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:49:45,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 09:49:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:45,739 INFO L225 Difference]: With dead ends: 221 [2018-12-09 09:49:45,740 INFO L226 Difference]: Without dead ends: 132 [2018-12-09 09:49:45,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:49:45,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-09 09:49:45,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-09 09:49:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-09 09:49:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-12-09 09:49:45,752 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-12-09 09:49:45,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:45,752 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-12-09 09:49:45,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:49:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-12-09 09:49:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 09:49:45,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:45,754 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:45,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:45,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-12-09 09:49:45,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:45,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:45,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:45,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:45,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:45,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:49:45,829 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:45,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:49:45,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:49:45,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:45,830 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-12-09 09:49:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:46,104 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-12-09 09:49:46,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:49:46,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 09:49:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:46,108 INFO L225 Difference]: With dead ends: 391 [2018-12-09 09:49:46,108 INFO L226 Difference]: Without dead ends: 287 [2018-12-09 09:49:46,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:49:46,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-12-09 09:49:46,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-12-09 09:49:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-09 09:49:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-12-09 09:49:46,135 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-12-09 09:49:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:46,135 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-12-09 09:49:46,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:49:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-12-09 09:49:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:49:46,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:46,138 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:46,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:46,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:46,138 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-12-09 09:49:46,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:46,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:46,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:46,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:46,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:49:46,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:46,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:49:46,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:49:46,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:49:46,221 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-12-09 09:49:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:46,345 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-12-09 09:49:46,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:46,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 09:49:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:46,349 INFO L225 Difference]: With dead ends: 763 [2018-12-09 09:49:46,349 INFO L226 Difference]: Without dead ends: 512 [2018-12-09 09:49:46,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:49:46,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-12-09 09:49:46,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-12-09 09:49:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-12-09 09:49:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-12-09 09:49:46,385 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-12-09 09:49:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:46,385 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-12-09 09:49:46,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:49:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-12-09 09:49:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 09:49:46,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:46,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:46,387 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:46,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:46,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-12-09 09:49:46,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:46,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:46,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:46,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:46,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:49:46,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:46,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:49:46,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:49:46,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:46,473 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-12-09 09:49:46,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:46,805 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-12-09 09:49:46,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:49:46,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 09:49:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:46,808 INFO L225 Difference]: With dead ends: 1329 [2018-12-09 09:49:46,808 INFO L226 Difference]: Without dead ends: 851 [2018-12-09 09:49:46,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:49:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-12-09 09:49:46,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-12-09 09:49:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-09 09:49:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-12-09 09:49:46,837 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-12-09 09:49:46,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:46,838 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-12-09 09:49:46,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:49:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-12-09 09:49:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 09:49:46,839 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:46,839 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] [2018-12-09 09:49:46,839 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:46,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:46,839 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-12-09 09:49:46,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:46,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:46,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,840 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:49:46,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:46,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:49:46,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:46,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:49:46,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:49:46,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:49:46,890 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-12-09 09:49:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:46,924 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-12-09 09:49:46,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:49:46,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-09 09:49:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:46,927 INFO L225 Difference]: With dead ends: 1510 [2018-12-09 09:49:46,927 INFO L226 Difference]: Without dead ends: 783 [2018-12-09 09:49:46,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:46,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-09 09:49:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-12-09 09:49:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-12-09 09:49:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-12-09 09:49:46,953 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-12-09 09:49:46,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:46,953 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-12-09 09:49:46,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:49:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-12-09 09:49:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 09:49:46,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:46,954 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] [2018-12-09 09:49:46,955 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:46,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:46,955 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-12-09 09:49:46,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:46,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:46,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:49:47,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:47,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:49:47,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:47,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:49:47,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:49:47,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:49:47,021 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-12-09 09:49:47,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:47,055 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-12-09 09:49:47,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:47,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 09:49:47,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:47,058 INFO L225 Difference]: With dead ends: 1550 [2018-12-09 09:49:47,058 INFO L226 Difference]: Without dead ends: 803 [2018-12-09 09:49:47,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:49:47,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-12-09 09:49:47,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-12-09 09:49:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-09 09:49:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-09 09:49:47,084 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-12-09 09:49:47,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:47,085 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-09 09:49:47,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:49:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-09 09:49:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 09:49:47,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:47,087 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] [2018-12-09 09:49:47,087 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:47,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:47,087 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-12-09 09:49:47,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:47,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:47,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:47,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:47,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:49:47,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:47,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:49:47,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:47,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:49:47,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:49:47,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:49:47,160 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-12-09 09:49:47,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:47,332 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-12-09 09:49:47,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:49:47,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-09 09:49:47,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:47,337 INFO L225 Difference]: With dead ends: 2497 [2018-12-09 09:49:47,337 INFO L226 Difference]: Without dead ends: 1734 [2018-12-09 09:49:47,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:49:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-12-09 09:49:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-12-09 09:49:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-12-09 09:49:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-12-09 09:49:47,393 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-12-09 09:49:47,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:47,393 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-12-09 09:49:47,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:49:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-12-09 09:49:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 09:49:47,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:47,395 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] [2018-12-09 09:49:47,396 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:47,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:47,396 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-12-09 09:49:47,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:47,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:47,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:47,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:47,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:49:47,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:47,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:47,489 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-12-09 09:49:47,490 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [201], [205], [238], [239], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [301], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [319], [320], [321], [327], [328], [329] [2018-12-09 09:49:47,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:47,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:49:47,806 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:49:47,807 INFO L272 AbstractInterpreter]: Visited 103 different actions 105 times. Never merged. Never widened. Performed 3291 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3291 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-09 09:49:47,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:47,813 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:49:48,078 INFO L227 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 97% of their original sizes. [2018-12-09 09:49:48,078 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:49:48,235 INFO L418 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-12-09 09:49:48,235 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:49:48,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:49:48,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-12-09 09:49:48,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:48,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 09:49:48,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 09:49:48,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:49:48,236 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 25 states. [2018-12-09 09:49:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:56,942 INFO L93 Difference]: Finished difference Result 6177 states and 8103 transitions. [2018-12-09 09:49:56,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-09 09:49:56,942 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 107 [2018-12-09 09:49:56,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:56,954 INFO L225 Difference]: With dead ends: 6177 [2018-12-09 09:49:56,954 INFO L226 Difference]: Without dead ends: 4502 [2018-12-09 09:49:56,957 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=346, Invalid=2624, Unknown=0, NotChecked=0, Total=2970 [2018-12-09 09:49:56,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2018-12-09 09:49:57,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4251. [2018-12-09 09:49:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4251 states. [2018-12-09 09:49:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 4251 states and 5352 transitions. [2018-12-09 09:49:57,074 INFO L78 Accepts]: Start accepts. Automaton has 4251 states and 5352 transitions. Word has length 107 [2018-12-09 09:49:57,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:57,075 INFO L480 AbstractCegarLoop]: Abstraction has 4251 states and 5352 transitions. [2018-12-09 09:49:57,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 09:49:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4251 states and 5352 transitions. [2018-12-09 09:49:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 09:49:57,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:57,080 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:49:57,080 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:57,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:57,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1014731968, now seen corresponding path program 1 times [2018-12-09 09:49:57,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:57,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:57,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:57,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:57,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 09:49:57,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:57,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:57,157 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-09 09:49:57,157 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-12-09 09:49:57,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:57,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:49:57,967 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:49:57,968 INFO L272 AbstractInterpreter]: Visited 128 different actions 588 times. Merged at 17 different actions 45 times. Never widened. Performed 22534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 09:49:57,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:57,970 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:49:57,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:57,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:49:57,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:57,977 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:49:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:58,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:49:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 09:49:58,155 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:49:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 09:49:58,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:49:58,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 09:49:58,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:58,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:49:58,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:49:58,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:49:58,816 INFO L87 Difference]: Start difference. First operand 4251 states and 5352 transitions. Second operand 8 states. [2018-12-09 09:49:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:59,107 INFO L93 Difference]: Finished difference Result 7498 states and 9576 transitions. [2018-12-09 09:49:59,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:59,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-12-09 09:49:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:59,117 INFO L225 Difference]: With dead ends: 7498 [2018-12-09 09:49:59,118 INFO L226 Difference]: Without dead ends: 3909 [2018-12-09 09:49:59,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 312 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:49:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2018-12-09 09:49:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3889. [2018-12-09 09:49:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3889 states. [2018-12-09 09:49:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 4801 transitions. [2018-12-09 09:49:59,240 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 4801 transitions. Word has length 165 [2018-12-09 09:49:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:59,240 INFO L480 AbstractCegarLoop]: Abstraction has 3889 states and 4801 transitions. [2018-12-09 09:49:59,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:49:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 4801 transitions. [2018-12-09 09:49:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 09:49:59,245 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:59,246 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:59,246 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:59,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:59,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2105416970, now seen corresponding path program 1 times [2018-12-09 09:49:59,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:59,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:59,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:59,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:59,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 09:49:59,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:59,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:59,403 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-12-09 09:49:59,404 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [160], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-12-09 09:49:59,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:59,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:50:01,103 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:50:01,103 INFO L272 AbstractInterpreter]: Visited 129 different actions 1502 times. Merged at 22 different actions 147 times. Never widened. Performed 49336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 49336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 39 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 09:50:01,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:50:01,105 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:50:01,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:50:01,105 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/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 [2018-12-09 09:50:01,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:50:01,111 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:50:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:50:01,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:50:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 09:50:01,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:50:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 09:50:01,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:50:01,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 09:50:01,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:50:01,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:50:01,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:50:01,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:50:01,650 INFO L87 Difference]: Start difference. First operand 3889 states and 4801 transitions. Second operand 8 states. [2018-12-09 09:50:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:50:01,821 INFO L93 Difference]: Finished difference Result 5055 states and 6159 transitions. [2018-12-09 09:50:01,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:50:01,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-12-09 09:50:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:50:01,823 INFO L225 Difference]: With dead ends: 5055 [2018-12-09 09:50:01,823 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:50:01,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 416 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:50:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:50:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:50:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:50:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:50:01,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-12-09 09:50:01,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:50:01,829 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:50:01,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:50:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:50:01,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:50:01,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:50:01,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:01,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:02,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:50:03,054 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-12-09 09:50:03,433 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2018-12-09 09:50:04,190 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2018-12-09 09:50:04,519 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 50 [2018-12-09 09:50:05,285 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-09 09:50:05,285 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-09 09:50:05,285 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-09 09:50:05,286 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-09 09:50:05,286 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-09 09:50:05,286 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,286 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,286 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-12-09 09:50:05,286 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-12-09 09:50:05,286 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:50:05,286 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:50:05,286 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,287 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse1))) [2018-12-09 09:50:05,287 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3))) [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-12-09 09:50:05,287 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-12-09 09:50:05,288 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse4 .cse6))) [2018-12-09 09:50:05,288 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-12-09 09:50:05,288 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-12-09 09:50:05,288 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or (or .cse8 .cse3) .cse2) (or .cse5 .cse8 .cse2) (or .cse1 .cse7 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse2))) [2018-12-09 09:50:05,288 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-12-09 09:50:05,288 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-12-09 09:50:05,288 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (not (= ~systemActive~0 0)) .cse8)) (.cse0 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or .cse6 .cse4 .cse0 .cse1 .cse2) (or .cse8 .cse6 .cse9 .cse2) (or .cse1 .cse7 .cse5 .cse2 .cse3) (or .cse8 (or .cse9 .cse3) .cse2)))) [2018-12-09 09:50:05,288 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-12-09 09:50:05,288 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-09 09:50:05,289 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,289 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-12-09 09:50:05,289 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-12-09 09:50:05,289 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse6) .cse3) (or .cse1 .cse2 .cse3 .cse5))) [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse2 .cse3 .cse4 .cse6 .cse1) (or .cse5 .cse2 .cse4 .cse6))) [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-12-09 09:50:05,290 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6 .cse3))) [2018-12-09 09:50:05,290 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6))) [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 .cse5))) [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-12-09 09:50:05,291 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:50:05,291 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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))) [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-12-09 09:50:05,291 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) 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))) [2018-12-09 09:50:05,292 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse6 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-12-09 09:50:05,292 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:50:05,293 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-12-09 09:50:05,293 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) 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))) [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-09 09:50:05,294 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-12-09 09:50:05,294 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-12-09 09:50:05,295 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse1) (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse1 .cse3) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 (not (= ~systemActive~0 1)) .cse1 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-12-09 09:50:05,295 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-12-09 09:50:05,296 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-12-09 09:50:05,296 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~systemActive~0 0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not .cse11)) (.cse5 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse2 .cse9 .cse3 .cse10) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse10 .cse6 .cse0 .cse2 .cse9) (or .cse6 .cse0 .cse5 .cse2) (or .cse6 .cse11 .cse0 .cse2 .cse12) (or .cse11 .cse0 .cse12 .cse2 .cse3)))) [2018-12-09 09:50:05,296 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-12-09 09:50:05,296 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse11 (= |old(~waterLevel~0)| 1)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse14 .cse15)) (.cse12 (= 1 ~waterLevel~0)) (.cse13 (not .cse11)) (.cse9 (and .cse14 (not .cse7) .cse15)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse6 .cse0 .cse9 .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse0 .cse2 .cse3) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse0 .cse12 .cse2 .cse13 .cse3) (or .cse6 .cse0 .cse12 .cse2 .cse13) (or .cse0 .cse9 .cse2 .cse3) (or .cse6 .cse11 .cse0 .cse10 .cse2)))) [2018-12-09 09:50:05,296 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse11 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 1))) (.cse15 (not .cse0)) (.cse14 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse9 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~systemActive~0 0)) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= 0 ~pumpRunning~0)) (.cse16 (and .cse11 .cse2))) (and (or .cse0 (and .cse1 .cse2) .cse3 (and (not .cse4) .cse1 .cse5) .cse6 .cse7) (or .cse8 .cse3 .cse9 .cse6 .cse10) (or (and .cse11 .cse12) (or .cse8 .cse4 .cse13 .cse6)) (or .cse14 .cse8 .cse3 .cse6 .cse15) (or .cse8 .cse3 .cse16 .cse6) (or .cse8 .cse0 .cse3 .cse6 .cse1) (or .cse3 .cse6 .cse15 .cse7 (and .cse11 .cse14 .cse2)) (or .cse3 .cse5 .cse9 (not (= ~systemActive~0 1)) .cse6 .cse7 .cse10) (or .cse11 .cse3 .cse4 .cse6 .cse7) (or (or .cse4 .cse13 .cse6 .cse7) .cse12 .cse16)))) [2018-12-09 09:50:05,296 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-12-09 09:50:05,296 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4) (or (or .cse2 .cse3 .cse4 .cse6) .cse0))) [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-12-09 09:50:05,297 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-12-09 09:50:05,297 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:50:05,298 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)) [2018-12-09 09:50:05,298 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse2 .cse6) (or (or .cse2 (not (= ~systemActive~0 1)) .cse7) .cse5 .cse3 .cse6) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 09:50:05,298 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 09:50:05,299 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 09:50:05,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:50:05 BoogieIcfgContainer [2018-12-09 09:50:05,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:50:05,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:50:05,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:50:05,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:50:05,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:45" (3/4) ... [2018-12-09 09:50:05,312 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:50:05,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:50:05,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:50:05,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:50:05,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:50:05,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:50:05,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 09:50:05,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 09:50:05,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 09:50:05,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:50:05,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:50:05,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:50:05,346 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:50:05,346 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) [2018-12-09 09:50:05,367 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_16123932-de2b-436c-b862-0750be06d17e/bin-2019/utaipan/witness.graphml [2018-12-09 09:50:05,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:50:05,367 INFO L168 Benchmark]: Toolchain (without parser) took 20683.50 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 971.0 MB). Free memory was 945.9 MB in the beginning and 1.4 GB in the end (delta: -470.0 MB). Peak memory consumption was 500.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: Boogie Preprocessor took 23.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: RCFGBuilder took 325.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,368 INFO L168 Benchmark]: TraceAbstraction took 19932.49 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 870.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -379.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,369 INFO L168 Benchmark]: Witness Printer took 57.99 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 41.1 kB). Peak memory consumption was 41.1 kB. Max. memory is 11.5 GB. [2018-12-09 09:50:05,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19932.49 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 870.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -379.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 57.99 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 41.1 kB). Peak memory consumption was 41.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: 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, 154 locations, 1 error locations. SAFE Result, 19.8s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2461 SDtfs, 1890 SDslu, 10088 SDs, 0 SdLazy, 3674 SolverSat, 435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 998 GetRequests, 844 SyntacticMatches, 15 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4251occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.996088525450571 AbsIntWeakeningRatio, 1.0377358490566038 AbsIntAvgWeakeningVarsNumRemoved, 112.16981132075472 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 432 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5926 PreInvPairs, 6156 NumberOfFragments, 3052 HoareAnnotationTreeSize, 5926 FomulaSimplifications, 6863 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 65 FomulaSimplificationsInter, 25758 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1465 NumberOfCodeBlocks, 1465 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1831 ConstructedInterpolants, 0 QuantifiedInterpolants, 389312 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1972 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 592/648 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...