./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 01:01:03,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 01:01:03,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 01:01:03,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 01:01:03,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 01:01:03,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 01:01:03,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 01:01:04,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 01:01:04,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 01:01:04,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 01:01:04,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 01:01:04,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 01:01:04,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 01:01:04,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 01:01:04,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 01:01:04,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 01:01:04,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 01:01:04,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 01:01:04,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 01:01:04,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 01:01:04,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 01:01:04,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 01:01:04,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 01:01:04,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 01:01:04,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 01:01:04,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 01:01:04,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 01:01:04,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 01:01:04,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 01:01:04,023 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 01:01:04,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 01:01:04,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 01:01:04,024 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 01:01:04,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 01:01:04,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 01:01:04,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 01:01:04,027 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 01:01:04,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 01:01:04,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 01:01:04,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 01:01:04,039 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 01:01:04,039 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 01:01:04,039 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 01:01:04,039 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 01:01:04,040 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 01:01:04,040 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 01:01:04,040 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 01:01:04,040 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 01:01:04,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 01:01:04,042 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 01:01:04,042 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 01:01:04,042 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 01:01:04,043 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 01:01:04,044 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 01:01:04,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 01:01:04,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 01:01:04,044 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 01:01:04,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 01:01:04,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 01:01:04,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 01:01:04,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 01:01:04,045 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_a327ad05-b388-4583-b6eb-714ab98eb8d3/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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2018-10-27 01:01:04,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 01:01:04,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 01:01:04,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 01:01:04,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 01:01:04,090 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 01:01:04,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-10-27 01:01:04,142 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/data/fe985f719/437a10507da34537b62740399abcaadb/FLAGa79f79ecb [2018-10-27 01:01:04,591 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 01:01:04,592 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-10-27 01:01:04,603 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/data/fe985f719/437a10507da34537b62740399abcaadb/FLAGa79f79ecb [2018-10-27 01:01:04,618 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/data/fe985f719/437a10507da34537b62740399abcaadb [2018-10-27 01:01:04,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 01:01:04,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 01:01:04,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 01:01:04,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 01:01:04,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 01:01:04,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:01:04" (1/1) ... [2018-10-27 01:01:04,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c90e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:04, skipping insertion in model container [2018-10-27 01:01:04,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:01:04" (1/1) ... [2018-10-27 01:01:04,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 01:01:04,685 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 01:01:04,913 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:01:04,922 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 01:01:04,986 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:01:05,014 INFO L193 MainTranslator]: Completed translation [2018-10-27 01:01:05,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05 WrapperNode [2018-10-27 01:01:05,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 01:01:05,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 01:01:05,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 01:01:05,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 01:01:05,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 01:01:05,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 01:01:05,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 01:01:05,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 01:01:05,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... [2018-10-27 01:01:05,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 01:01:05,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 01:01:05,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 01:01:05,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 01:01:05,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/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 [2018-10-27 01:01:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-27 01:01:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-27 01:01:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 01:01:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 01:01:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-27 01:01:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-27 01:01:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-27 01:01:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-27 01:01:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-27 01:01:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-27 01:01:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 01:01:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 01:01:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-27 01:01:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-27 01:01:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-27 01:01:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-27 01:01:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-27 01:01:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-27 01:01:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 01:01:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 01:01:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 01:01:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 01:01:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 01:01:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 01:01:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-27 01:01:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-27 01:01:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-27 01:01:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-27 01:01:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 01:01:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 01:01:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-27 01:01:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-27 01:01:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-27 01:01:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-27 01:01:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 01:01:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 01:01:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-27 01:01:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-27 01:01:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-27 01:01:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-27 01:01:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-27 01:01:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-27 01:01:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 01:01:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 01:01:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-10-27 01:01:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-10-27 01:01:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 01:01:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 01:01:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 01:01:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 01:01:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 01:01:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 01:01:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-27 01:01:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-27 01:01:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-27 01:01:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-27 01:01:06,503 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 01:01:06,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:01:06 BoogieIcfgContainer [2018-10-27 01:01:06,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 01:01:06,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 01:01:06,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 01:01:06,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 01:01:06,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:01:04" (1/3) ... [2018-10-27 01:01:06,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728ee89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:01:06, skipping insertion in model container [2018-10-27 01:01:06,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:01:05" (2/3) ... [2018-10-27 01:01:06,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728ee89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:01:06, skipping insertion in model container [2018-10-27 01:01:06,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:01:06" (3/3) ... [2018-10-27 01:01:06,513 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-10-27 01:01:06,523 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 01:01:06,531 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 01:01:06,547 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 01:01:06,579 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 01:01:06,580 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 01:01:06,580 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 01:01:06,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 01:01:06,580 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 01:01:06,581 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 01:01:06,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 01:01:06,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 01:01:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-10-27 01:01:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 01:01:06,617 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:06,618 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:01:06,620 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:06,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:06,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1707538818, now seen corresponding path program 1 times [2018-10-27 01:01:06,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:06,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:06,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:06,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:06,681 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:06,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:06,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 01:01:06,934 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:06,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 01:01:06,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 01:01:06,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 01:01:06,958 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-10-27 01:01:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:07,004 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2018-10-27 01:01:07,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 01:01:07,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-27 01:01:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:07,023 INFO L225 Difference]: With dead ends: 272 [2018-10-27 01:01:07,024 INFO L226 Difference]: Without dead ends: 136 [2018-10-27 01:01:07,028 INFO L605 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 [2018-10-27 01:01:07,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-27 01:01:07,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-10-27 01:01:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-27 01:01:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2018-10-27 01:01:07,099 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 46 [2018-10-27 01:01:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:07,101 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2018-10-27 01:01:07,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 01:01:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2018-10-27 01:01:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 01:01:07,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:07,104 INFO L375 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] [2018-10-27 01:01:07,105 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:07,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:07,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1172950651, now seen corresponding path program 1 times [2018-10-27 01:01:07,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:07,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:07,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:07,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:07,106 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:07,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:07,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:01:07,286 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:07,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:01:07,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:01:07,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:01:07,288 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 3 states. [2018-10-27 01:01:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:07,315 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2018-10-27 01:01:07,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:01:07,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-27 01:01:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:07,318 INFO L225 Difference]: With dead ends: 215 [2018-10-27 01:01:07,318 INFO L226 Difference]: Without dead ends: 126 [2018-10-27 01:01:07,319 INFO L605 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 [2018-10-27 01:01:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-27 01:01:07,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-10-27 01:01:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-27 01:01:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-10-27 01:01:07,336 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 48 [2018-10-27 01:01:07,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:07,336 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-10-27 01:01:07,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:01:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-10-27 01:01:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 01:01:07,338 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:07,338 INFO L375 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] [2018-10-27 01:01:07,339 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:07,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:07,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1621564691, now seen corresponding path program 1 times [2018-10-27 01:01:07,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:07,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:07,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:07,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:07,341 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:07,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:07,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 01:01:07,634 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:07,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 01:01:07,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 01:01:07,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 01:01:07,636 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2018-10-27 01:01:08,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:08,506 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2018-10-27 01:01:08,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 01:01:08,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-27 01:01:08,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:08,509 INFO L225 Difference]: With dead ends: 228 [2018-10-27 01:01:08,509 INFO L226 Difference]: Without dead ends: 126 [2018-10-27 01:01:08,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 01:01:08,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-27 01:01:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-10-27 01:01:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-27 01:01:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2018-10-27 01:01:08,524 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 53 [2018-10-27 01:01:08,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:08,525 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2018-10-27 01:01:08,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 01:01:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2018-10-27 01:01:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 01:01:08,527 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:08,527 INFO L375 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] [2018-10-27 01:01:08,527 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:08,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:08,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1113728732, now seen corresponding path program 1 times [2018-10-27 01:01:08,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:08,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:08,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:08,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:08,531 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:08,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:08,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 01:01:08,732 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:08,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 01:01:08,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 01:01:08,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 01:01:08,734 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 5 states. [2018-10-27 01:01:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:09,608 INFO L93 Difference]: Finished difference Result 336 states and 404 transitions. [2018-10-27 01:01:09,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 01:01:09,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-10-27 01:01:09,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:09,611 INFO L225 Difference]: With dead ends: 336 [2018-10-27 01:01:09,611 INFO L226 Difference]: Without dead ends: 234 [2018-10-27 01:01:09,612 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 01:01:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-10-27 01:01:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 214. [2018-10-27 01:01:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-10-27 01:01:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2018-10-27 01:01:09,639 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 66 [2018-10-27 01:01:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:09,640 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2018-10-27 01:01:09,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 01:01:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2018-10-27 01:01:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 01:01:09,643 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:09,643 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:01:09,644 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:09,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:09,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1805521589, now seen corresponding path program 1 times [2018-10-27 01:01:09,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:09,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:09,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:09,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:09,645 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:10,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:10,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 01:01:10,001 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:10,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 01:01:10,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 01:01:10,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 01:01:10,002 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 6 states. [2018-10-27 01:01:10,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:10,230 INFO L93 Difference]: Finished difference Result 579 states and 679 transitions. [2018-10-27 01:01:10,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 01:01:10,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-27 01:01:10,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:10,237 INFO L225 Difference]: With dead ends: 579 [2018-10-27 01:01:10,237 INFO L226 Difference]: Without dead ends: 389 [2018-10-27 01:01:10,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 01:01:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-10-27 01:01:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2018-10-27 01:01:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 01:01:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 436 transitions. [2018-10-27 01:01:10,283 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 436 transitions. Word has length 80 [2018-10-27 01:01:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:10,283 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 436 transitions. [2018-10-27 01:01:10,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 01:01:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 436 transitions. [2018-10-27 01:01:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 01:01:10,289 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:10,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:01:10,290 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:10,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:10,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1050034937, now seen corresponding path program 1 times [2018-10-27 01:01:10,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:10,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:10,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:10,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:10,291 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:10,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:10,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 01:01:10,445 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:10,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 01:01:10,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 01:01:10,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 01:01:10,446 INFO L87 Difference]: Start difference. First operand 383 states and 436 transitions. Second operand 7 states. [2018-10-27 01:01:11,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:11,293 INFO L93 Difference]: Finished difference Result 420 states and 492 transitions. [2018-10-27 01:01:11,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 01:01:11,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-10-27 01:01:11,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:11,296 INFO L225 Difference]: With dead ends: 420 [2018-10-27 01:01:11,297 INFO L226 Difference]: Without dead ends: 417 [2018-10-27 01:01:11,297 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-27 01:01:11,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-10-27 01:01:11,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 383. [2018-10-27 01:01:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 01:01:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-10-27 01:01:11,334 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 84 [2018-10-27 01:01:11,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:11,335 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-10-27 01:01:11,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 01:01:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-10-27 01:01:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 01:01:11,339 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:11,339 INFO L375 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] [2018-10-27 01:01:11,339 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:11,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:11,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1093443338, now seen corresponding path program 1 times [2018-10-27 01:01:11,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:11,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:11,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:11,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:11,341 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 01:01:11,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:11,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 01:01:11,827 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:11,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 01:01:11,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 01:01:11,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 01:01:11,829 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 6 states. [2018-10-27 01:01:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:11,990 INFO L93 Difference]: Finished difference Result 756 states and 878 transitions. [2018-10-27 01:01:11,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 01:01:11,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-10-27 01:01:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:12,000 INFO L225 Difference]: With dead ends: 756 [2018-10-27 01:01:12,000 INFO L226 Difference]: Without dead ends: 397 [2018-10-27 01:01:12,002 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 01:01:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-10-27 01:01:12,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2018-10-27 01:01:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-10-27 01:01:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 445 transitions. [2018-10-27 01:01:12,032 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 445 transitions. Word has length 100 [2018-10-27 01:01:12,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:12,033 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 445 transitions. [2018-10-27 01:01:12,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 01:01:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 445 transitions. [2018-10-27 01:01:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 01:01:12,035 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:12,035 INFO L375 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] [2018-10-27 01:01:12,035 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:12,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:12,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1986929676, now seen corresponding path program 1 times [2018-10-27 01:01:12,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:12,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:12,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:12,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:12,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 01:01:12,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:12,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 01:01:12,245 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:12,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 01:01:12,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 01:01:12,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 01:01:12,246 INFO L87 Difference]: Start difference. First operand 393 states and 445 transitions. Second operand 8 states. [2018-10-27 01:01:12,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:12,327 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-10-27 01:01:12,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 01:01:12,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-10-27 01:01:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:12,332 INFO L225 Difference]: With dead ends: 776 [2018-10-27 01:01:12,332 INFO L226 Difference]: Without dead ends: 407 [2018-10-27 01:01:12,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 01:01:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-10-27 01:01:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2018-10-27 01:01:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-10-27 01:01:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 453 transitions. [2018-10-27 01:01:12,363 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 453 transitions. Word has length 100 [2018-10-27 01:01:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:12,364 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 453 transitions. [2018-10-27 01:01:12,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 01:01:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 453 transitions. [2018-10-27 01:01:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 01:01:12,367 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:12,367 INFO L375 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] [2018-10-27 01:01:12,368 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:12,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:12,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1979170317, now seen corresponding path program 1 times [2018-10-27 01:01:12,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:12,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:12,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:12,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:12,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 01:01:12,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:01:12,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 01:01:12,639 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:12,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 01:01:12,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 01:01:12,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 01:01:12,640 INFO L87 Difference]: Start difference. First operand 401 states and 453 transitions. Second operand 4 states. [2018-10-27 01:01:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:01:13,269 INFO L93 Difference]: Finished difference Result 1193 states and 1416 transitions. [2018-10-27 01:01:13,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 01:01:13,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-27 01:01:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:01:13,280 INFO L225 Difference]: With dead ends: 1193 [2018-10-27 01:01:13,280 INFO L226 Difference]: Without dead ends: 816 [2018-10-27 01:01:13,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 01:01:13,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2018-10-27 01:01:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 801. [2018-10-27 01:01:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-10-27 01:01:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 931 transitions. [2018-10-27 01:01:13,346 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 931 transitions. Word has length 100 [2018-10-27 01:01:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:01:13,350 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 931 transitions. [2018-10-27 01:01:13,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 01:01:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 931 transitions. [2018-10-27 01:01:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 01:01:13,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:01:13,352 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:01:13,352 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:01:13,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:13,352 INFO L82 PathProgramCache]: Analyzing trace with hash -57809165, now seen corresponding path program 1 times [2018-10-27 01:01:13,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:01:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:13,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:01:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:01:13,357 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:01:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 01:01:13,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 01:01:13,980 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 01:01:13,980 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-10-27 01:01:13,984 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [78], [84], [88], [92], [95], [100], [103], [108], [114], [117], [127], [128], [129], [130], [131], [133], [138], [141], [142], [144], [149], [151], [152], [157], [159], [165], [169], [203], [204], [215], [220], [224], [225], [228], [230], [233], [235], [238], [247], [248], [249], [250], [251], [252], [253], [254], [255], [257], [258], [259], [260], [265], [267], [268], [275], [276], [277], [278], [279], [280], [283], [287], [288], [289], [290], [291], [292], [295], [296], [297], [303], [304], [305], [307], [308], [309], [310], [311] [2018-10-27 01:01:14,041 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 01:01:14,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 01:01:22,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 01:01:22,647 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-27 01:01:22,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:01:22,661 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 01:01:29,032 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 97.14% of their original sizes. [2018-10-27 01:01:29,032 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 01:01:30,706 INFO L415 sIntCurrentIteration]: We unified 103 AI predicates to 103 [2018-10-27 01:01:30,706 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 01:01:30,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 01:01:30,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-10-27 01:01:30,707 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:01:30,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-27 01:01:30,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-27 01:01:30,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-10-27 01:01:30,708 INFO L87 Difference]: Start difference. First operand 801 states and 931 transitions. Second operand 28 states. [2018-10-27 01:02:07,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:02:07,159 INFO L93 Difference]: Finished difference Result 1804 states and 2145 transitions. [2018-10-27 01:02:07,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-27 01:02:07,159 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2018-10-27 01:02:07,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:02:07,163 INFO L225 Difference]: With dead ends: 1804 [2018-10-27 01:02:07,164 INFO L226 Difference]: Without dead ends: 1027 [2018-10-27 01:02:07,166 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=203, Invalid=1689, Unknown=0, NotChecked=0, Total=1892 [2018-10-27 01:02:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2018-10-27 01:02:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 993. [2018-10-27 01:02:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2018-10-27 01:02:07,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1125 transitions. [2018-10-27 01:02:07,250 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1125 transitions. Word has length 104 [2018-10-27 01:02:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:02:07,250 INFO L481 AbstractCegarLoop]: Abstraction has 993 states and 1125 transitions. [2018-10-27 01:02:07,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-27 01:02:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1125 transitions. [2018-10-27 01:02:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 01:02:07,255 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:02:07,255 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:02:07,255 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:02:07,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:02:07,256 INFO L82 PathProgramCache]: Analyzing trace with hash 758433969, now seen corresponding path program 1 times [2018-10-27 01:02:07,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:02:07,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:02:07,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:02:07,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:02:07,257 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:02:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:02:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 01:02:07,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 01:02:07,595 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 01:02:07,595 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-27 01:02:07,595 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [42], [44], [45], [48], [51], [53], [59], [63], [66], [67], [71], [72], [73], [74], [78], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [130], [131], [133], [138], [141], [142], [144], [149], [151], [152], [157], [159], [162], [165], [169], [175], [203], [204], [209], [211], [215], [220], [224], [225], [228], [230], [233], [235], [238], [244], [246], [247], [248], [249], [250], [251], [252], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [267], [268], [269], [270], [273], [274], [275], [276], [277], [278], [279], [280], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [303], [304], [305], [307], [308], [309], [310], [311] [2018-10-27 01:02:07,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 01:02:07,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 01:03:17,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 01:03:17,769 INFO L272 AbstractInterpreter]: Visited 106 different actions 668 times. Merged at 15 different actions 63 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 133 variables. [2018-10-27 01:03:17,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:03:17,777 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 01:03:31,754 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 96.63% of their original sizes. [2018-10-27 01:03:31,754 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 01:03:34,385 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-27 01:03:34,385 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 01:03:34,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 01:03:34,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [49] imperfect sequences [5] total 52 [2018-10-27 01:03:34,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:03:34,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-10-27 01:03:34,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-10-27 01:03:34,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2091, Unknown=0, NotChecked=0, Total=2352 [2018-10-27 01:03:34,387 INFO L87 Difference]: Start difference. First operand 993 states and 1125 transitions. Second operand 49 states. [2018-10-27 01:06:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:17,252 INFO L93 Difference]: Finished difference Result 4290 states and 5589 transitions. [2018-10-27 01:06:17,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-10-27 01:06:17,252 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 157 [2018-10-27 01:06:17,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:17,267 INFO L225 Difference]: With dead ends: 4290 [2018-10-27 01:06:17,267 INFO L226 Difference]: Without dead ends: 3415 [2018-10-27 01:06:17,277 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 282 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10326 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=2437, Invalid=28013, Unknown=0, NotChecked=0, Total=30450 [2018-10-27 01:06:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2018-10-27 01:06:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 2482. [2018-10-27 01:06:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2482 states. [2018-10-27 01:06:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 2858 transitions. [2018-10-27 01:06:17,622 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 2858 transitions. Word has length 157 [2018-10-27 01:06:17,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:17,623 INFO L481 AbstractCegarLoop]: Abstraction has 2482 states and 2858 transitions. [2018-10-27 01:06:17,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-10-27 01:06:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2858 transitions. [2018-10-27 01:06:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 01:06:17,627 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:17,627 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:17,627 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:17,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:17,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1487145485, now seen corresponding path program 1 times [2018-10-27 01:06:17,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:17,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:17,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:17,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:17,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 01:06:17,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 01:06:17,842 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 01:06:17,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-27 01:06:17,842 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [42], [44], [45], [48], [51], [53], [59], [63], [66], [67], [71], [72], [73], [74], [78], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [130], [131], [133], [138], [141], [142], [144], [149], [151], [152], [157], [159], [162], [165], [169], [175], [203], [204], [207], [211], [215], [220], [224], [225], [228], [230], [233], [235], [238], [244], [246], [247], [248], [249], [250], [251], [252], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [267], [268], [269], [270], [273], [274], [275], [276], [277], [278], [279], [280], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [303], [304], [305], [307], [308], [309], [310], [311] [2018-10-27 01:06:17,846 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 01:06:17,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 01:09:42,302 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 01:09:42,359 INFO L272 AbstractInterpreter]: Visited 117 different actions 2251 times. Merged at 22 different actions 220 times. Widened at 1 different actions 2 times. Found 41 fixpoints after 7 different actions. Largest state had 133 variables. [2018-10-27 01:09:42,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:09:42,362 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 01:10:07,353 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 96.81% of their original sizes. [2018-10-27 01:10:07,353 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 01:10:09,757 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-27 01:10:09,757 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 01:10:09,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 01:10:09,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [57] imperfect sequences [13] total 68 [2018-10-27 01:10:09,758 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:10:09,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-10-27 01:10:09,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-10-27 01:10:09,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=2867, Unknown=0, NotChecked=0, Total=3192 [2018-10-27 01:10:09,759 INFO L87 Difference]: Start difference. First operand 2482 states and 2858 transitions. Second operand 57 states. [2018-10-27 01:11:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:11:39,628 INFO L93 Difference]: Finished difference Result 4991 states and 6215 transitions. [2018-10-27 01:11:39,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-10-27 01:11:39,628 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 157 [2018-10-27 01:11:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:11:39,629 INFO L225 Difference]: With dead ends: 4991 [2018-10-27 01:11:39,629 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 01:11:39,642 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 95 SyntacticMatches, 6 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9968 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=2216, Invalid=26514, Unknown=0, NotChecked=0, Total=28730 [2018-10-27 01:11:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 01:11:39,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 01:11:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 01:11:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 01:11:39,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-10-27 01:11:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:11:39,644 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 01:11:39,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-10-27 01:11:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 01:11:39,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 01:11:39,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 01:11:39,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:39,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:39,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:39,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:40,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:40,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:42,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:43,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:44,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:44,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:44,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:44,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:44,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:45,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:45,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:45,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:45,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:45,986 WARN L179 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 543 DAG size of output: 463 [2018-10-27 01:11:47,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:47,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:48,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:48,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:48,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:48,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:49,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:49,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:49,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:49,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:50,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:50,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:51,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:51,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:51,567 WARN L179 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 575 DAG size of output: 502 [2018-10-27 01:11:51,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:52,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:52,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:52,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:52,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:53,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:53,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:53,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:53,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:54,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:54,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:54,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:54,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:55,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:55,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:56,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:56,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:56,872 WARN L179 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 578 DAG size of output: 502 [2018-10-27 01:11:57,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:58,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:58,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,655 WARN L179 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 495 DAG size of output: 476 [2018-10-27 01:11:59,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:11:59,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:00,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:01,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:01,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:01,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:02,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 01:12:02,209 WARN L179 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 508 DAG size of output: 442 [2018-10-27 01:12:02,614 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 21 [2018-10-27 01:12:03,571 WARN L179 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 50 [2018-10-27 01:12:05,027 WARN L179 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 356 DAG size of output: 79 [2018-10-27 01:12:05,265 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-27 01:12:05,514 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-10-27 01:12:06,648 WARN L179 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 305 DAG size of output: 64 [2018-10-27 01:12:08,568 WARN L179 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 403 DAG size of output: 87 [2018-10-27 01:12:09,116 WARN L179 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 35 [2018-10-27 01:12:10,829 WARN L179 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 541 DAG size of output: 40 [2018-10-27 01:12:11,045 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 1 [2018-10-27 01:12:11,157 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-10-27 01:12:12,268 WARN L179 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 374 DAG size of output: 43 [2018-10-27 01:12:14,404 WARN L179 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 414 DAG size of output: 92 [2018-10-27 01:12:15,022 WARN L179 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 46 [2018-10-27 01:12:15,183 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2018-10-27 01:12:15,770 WARN L179 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 44 [2018-10-27 01:12:16,547 WARN L179 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 34 [2018-10-27 01:12:16,865 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 24 [2018-10-27 01:12:17,541 WARN L179 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 46 [2018-10-27 01:12:17,771 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-27 01:12:20,675 WARN L179 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 581 DAG size of output: 37 [2018-10-27 01:12:21,876 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 311 DAG size of output: 73 [2018-10-27 01:12:22,610 WARN L179 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 41 [2018-10-27 01:12:23,165 WARN L179 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 40 [2018-10-27 01:12:24,053 WARN L179 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 60 [2018-10-27 01:12:24,174 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 40 [2018-10-27 01:12:24,396 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 1 [2018-10-27 01:12:24,601 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 40 [2018-10-27 01:12:24,798 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-27 01:12:26,884 WARN L179 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 379 DAG size of output: 115 [2018-10-27 01:12:27,118 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-27 01:12:27,980 WARN L179 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 49 [2018-10-27 01:12:28,829 WARN L179 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 31 [2018-10-27 01:12:31,441 WARN L179 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 581 DAG size of output: 37 [2018-10-27 01:12:31,677 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2018-10-27 01:12:31,974 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 1 [2018-10-27 01:12:32,671 WARN L179 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 56 [2018-10-27 01:12:33,090 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2018-10-27 01:12:33,287 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-27 01:12:33,471 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2018-10-27 01:12:35,884 WARN L179 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 559 DAG size of output: 43 [2018-10-27 01:12:38,116 WARN L179 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 523 DAG size of output: 38 [2018-10-27 01:12:38,385 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 24 [2018-10-27 01:12:38,387 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2018-10-27 01:12:38,387 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2018-10-27 01:12:38,387 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2018-10-27 01:12:38,388 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2018-10-27 01:12:38,388 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2018-10-27 01:12:38,388 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,388 INFO L421 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (let ((.cse0 (+ ~pumpRunning~0 1))) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) (<= .cse0 main_~tmp~5) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= main_~tmp~5 .cse0) (= ~pumpRunning~0 0))) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,388 INFO L421 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (let ((.cse0 (+ ~pumpRunning~0 1))) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) (<= .cse0 main_~tmp~5) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= main_~tmp~5 .cse0) (= ~pumpRunning~0 0))) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,388 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2018-10-27 01:12:38,388 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2018-10-27 01:12:38,388 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2018-10-27 01:12:38,388 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 01:12:38,389 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,389 INFO L421 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,389 INFO L421 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,389 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2018-10-27 01:12:38,389 INFO L425 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-10-27 01:12:38,389 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2018-10-27 01:12:38,389 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (+ ~methaneLevelCritical~0 1))) (or (and (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse1)) (< 1 .cse2) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse2 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| .cse1)))) [2018-10-27 01:12:38,389 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (+ ~methaneLevelCritical~0 1))) (or (and (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse1)) (< 1 .cse2) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse2 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| .cse1)))) [2018-10-27 01:12:38,389 INFO L425 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (and (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0)) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-10-27 01:12:38,390 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse6 (+ |old(~pumpRunning~0)| 1))) (let ((.cse4 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< .cse6 ~systemActive~0)) (.cse3 (< .cse1 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse0 (+ ~methaneLevelCritical~0 1))) (and (or (and (<= processEnvironment__wrappee__methaneQuery_~tmp~1 .cse0) (<= 3 (+ ~waterLevel~0 processEnvironment__wrappee__methaneQuery_~tmp~1))) (< 1 .cse1) .cse2 (< 2 (* 2 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse5 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse6) (<= .cse0 ~waterLevel~0) (< ~systemActive~0 ~methaneLevelCritical~0) .cse2 .cse4) (or (and (<= (* 2 processEnvironment__wrappee__methaneQuery_~tmp~1) 2) (= 0 ~pumpRunning~0) (<= ~methaneLevelCritical~0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (< (* 2 ~systemActive~0) 2)) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3 .cse5 .cse7) (or .cse3 .cse5 .cse7 (< |old(~pumpRunning~0)| .cse0))))) [2018-10-27 01:12:38,390 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))) [2018-10-27 01:12:38,390 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2018-10-27 01:12:38,390 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2018-10-27 01:12:38,390 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2018-10-27 01:12:38,391 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L428 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse0 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1))) (and (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< (* 2 ~systemActive~0) 2) .cse0 .cse1) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2018-10-27 01:12:38,391 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2018-10-27 01:12:38,392 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= (* 2 processEnvironment_~tmp~2) 2) (<= ~methaneLevelCritical~0 ~pumpRunning~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 (< .cse2 1)) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-10-27 01:12:38,392 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2018-10-27 01:12:38,392 INFO L421 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)) (let ((.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 1 .cse3) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse3 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-10-27 01:12:38,392 INFO L425 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-10-27 01:12:38,392 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2018-10-27 01:12:38,392 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2018-10-27 01:12:38,392 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)) (let ((.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 1 .cse3) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse3 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-10-27 01:12:38,392 INFO L421 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)))) [2018-10-27 01:12:38,392 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2018-10-27 01:12:38,393 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< (* 2 |old(~pumpRunning~0)|) 2) .cse1) (let ((.cse2 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse2 ~systemActive~0) .cse0 (< .cse3 0) (< .cse2 ~methaneLevelCritical~0))) (or (and (<= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 (+ processEnvironment_~tmp~2 ~pumpRunning~0))) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 (< .cse3 1)))) [2018-10-27 01:12:38,393 INFO L425 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-10-27 01:12:38,396 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2018-10-27 01:12:38,396 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2018-10-27 01:12:38,396 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2018-10-27 01:12:38,396 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2018-10-27 01:12:38,396 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2018-10-27 01:12:38,396 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,396 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-10-27 01:12:38,396 INFO L421 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (or (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse0) (<= 0 (* 2 ~pumpRunning~0)) (<= .cse0 2) (= test_~splverifierCounter~0 0) (<= ~pumpRunning~0 ~systemActive~0))) (< 0 .cse1) (< 2 (+ |old(~systemActive~0)| |old(~waterLevel~0)|)) (< (* 2 |old(~waterLevel~0)|) 2) (< .cse1 0) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-27 01:12:38,396 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L421 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (or (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse0) (<= 0 (* 2 ~pumpRunning~0)) (<= .cse0 2) (= test_~splverifierCounter~0 0) (<= ~pumpRunning~0 ~systemActive~0))) (< 0 .cse1) (< 2 (+ |old(~systemActive~0)| |old(~waterLevel~0)|)) (< (* 2 |old(~waterLevel~0)|) 2) (< .cse1 0) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0))) (or (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse0) (= 0 ~pumpRunning~0) (<= .cse0 2) .cse1)) (and (= 0 ~methaneLevelCritical~0) (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) .cse1 (<= ~pumpRunning~0 ~systemActive~0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (let ((.cse0 (<= 1 .cse2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~systemActive~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) .cse1) (and (= ~systemActive~0 1) .cse0 (= 0 ~pumpRunning~0) (<= .cse2 2) .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-27 01:12:38,397 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse1 .cse2 .cse3) (<= 2 (* 2 ~methaneLevelCritical~0)) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (and .cse0 (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) .cse3 (<= ~pumpRunning~0 ~systemActive~0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-10-27 01:12:38,397 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:12:38,398 INFO L425 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2018-10-27 01:12:38,559 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L421 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) [2018-10-27 01:12:38,560 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| 1))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< .cse4 ~systemActive~0)) (.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 (< (* 2 ~systemActive~0) 2)) (or (and (<= 1 (+ activatePump_~tmp~3 ~systemActive~0)) (<= activatePump_~tmp~3 ~methaneLevelCritical~0)) (< 1 .cse3) (< ~systemActive~0 .cse4) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (< .cse3 1) .cse5)))) [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L428 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L425 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2018-10-27 01:12:38,560 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2018-10-27 01:12:38,561 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2018-10-27 01:12:38,561 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (< (+ ~pumpRunning~0 1) ~systemActive~0))) (and (or (and (<= 2 (* 2 ~methaneLevelCritical~0)) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (< (* 2 ~systemActive~0) 2)) (or (= 0 ~methaneLevelCritical~0) .cse0 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (not (= |old(~methaneLevelCritical~0)| 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0))))) [2018-10-27 01:12:38,561 INFO L425 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2018-10-27 01:12:38,561 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2018-10-27 01:12:38,561 INFO L425 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2018-10-27 01:12:38,561 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse19 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse16 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse24 (+ |old(~pumpRunning~0)| 1)) (.cse25 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< .cse25 0)) (.cse6 (< .cse24 ~methaneLevelCritical~0)) (.cse8 (<= ~pumpRunning~0 ~systemActive~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse11 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (< .cse25 1)) (.cse9 (<= 1 .cse16)) (.cse10 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse23 (not (= ~methaneLevelCritical~0 0))) (.cse12 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse13 (< 3 .cse19)) (.cse17 (+ ~methaneLevelCritical~0 1)) (.cse14 (< .cse19 1)) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse18 (< ~systemActive~0 .cse24)) (.cse20 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse3 (< .cse24 ~systemActive~0)) (.cse22 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse21 (< |old(~waterLevel~0)| ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) .cse8 .cse9 .cse10) (not (= ~methaneLevelCritical~0 1)) .cse11 .cse4 .cse12 .cse13 .cse14) (or .cse1 (and .cse8 .cse0 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse4 .cse11 .cse12 .cse15) (or (and (<= .cse16 2) (<= .cse17 ~waterLevel~0)) (not (= ~systemActive~0 1)) .cse18 (< .cse19 3) .cse20 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (<= ~systemActive~0 ~waterLevel~0) .cse11 .cse4 .cse21 .cse12 .cse15 .cse13) (or .cse7 .cse22 .cse23 .cse12 .cse15) (or (and .cse9 .cse10) .cse22 .cse23 .cse12 .cse13 (< |old(~pumpRunning~0)| .cse17) .cse14) (or (not .cse1) (= 1 ~waterLevel~0) .cse18 .cse20 .cse3 .cse22 .cse21)))) [2018-10-27 01:12:38,561 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2018-10-27 01:12:38,561 INFO L421 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse12 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse16 (+ |old(~pumpRunning~0)| 1)) (.cse17 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< .cse17 0)) (.cse5 (< .cse16 ~methaneLevelCritical~0)) (.cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse10 (< 3 .cse12)) (.cse11 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse9 (< .cse17 1)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse13 (< ~systemActive~0 .cse16)) (.cse14 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (< .cse16 ~systemActive~0)) (.cse15 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse3 .cse7 .cse8 .cse9) (or .cse0 (<= ~systemActive~0 ~waterLevel~0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse7 .cse3 .cse8 .cse10) (or (and (<= 1 .cse11) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse7 .cse3 .cse8 .cse9 .cse10 (< .cse12 1)) (or (and (<= .cse11 2) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (not (= ~systemActive~0 1)) .cse13 (< .cse12 3) .cse14 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or .cse15 .cse6 (not (= ~methaneLevelCritical~0 0)) .cse8 .cse9) (or (not .cse0) (= 1 ~waterLevel~0) .cse13 .cse14 .cse2 .cse15 (< |old(~waterLevel~0)| ~systemActive~0))))) [2018-10-27 01:12:38,562 INFO L421 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse23 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (+ |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse30 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse28 (+ ~methaneLevelCritical~0 1)) (.cse18 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse10 (* 2 |old(~pumpRunning~0)|)) (.cse15 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse4 (< .cse15 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (< 2 .cse10)) (.cse16 (< 3 .cse18)) (.cse17 (< |old(~pumpRunning~0)| .cse28)) (.cse22 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2)) (.cse12 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse11 (<= 1 .cse30)) (.cse19 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse20 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse14 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse26 (<= .cse30 2)) (.cse21 (<= .cse28 ~waterLevel~0)) (.cse27 (< .cse18 3)) (.cse25 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse9 (not .cse0)) (.cse24 (< ~systemActive~0 .cse5)) (.cse29 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (< .cse5 ~systemActive~0)) (.cse6 (< .cse23 1)) (.cse7 (< |old(~waterLevel~0)| ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 (< .cse5 ~methaneLevelCritical~0)) (or (= ~pumpRunning~0 0) .cse6 .cse7 .cse4 .cse8 .cse9 (< 0 .cse10)) (or (and .cse11 .cse12) .cse13 .cse6 .cse14 (< .cse15 1) .cse16 .cse17 (< .cse18 1)) (or .cse19 .cse20 .cse1 .cse2 .cse3) (or .cse21 .cse22 .cse13 .cse6 .cse16 .cse17) (or (< 1 .cse23) .cse24 .cse22 .cse3 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) .cse25 (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse12 (= ~pumpRunning~0 1))) (or (and .cse26 .cse11) .cse27 .cse20 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) .cse14) (or .cse19 .cse2 .cse6 (and (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= ~pumpRunning~0 ~systemActive~0)) .cse8 .cse14) (or .cse20 .cse3 (< .cse10 2) .cse14 (= 0 ~pumpRunning~0)) (or (and .cse26 .cse21) (not (= ~systemActive~0 1)) .cse24 .cse27 (< .cse28 |old(~waterLevel~0)|) .cse29 .cse25) (or .cse9 (= 1 ~waterLevel~0) .cse24 .cse29 .cse2 .cse6 .cse7)))) [2018-10-27 01:12:38,562 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2018-10-27 01:12:38,562 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse15 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse3 (+ ~methaneLevelCritical~0 1))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2)) (.cse6 (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (.cse9 (< 2 (* 2 |old(~pumpRunning~0)|))) (.cse11 (< |old(~pumpRunning~0)| .cse3)) (.cse8 (< .cse15 1)) (.cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 3 .cse15)) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse12 (< .cse14 1))) (and (or (= |old(~waterLevel~0)| 1) .cse0 .cse1 .cse2 (<= .cse3 ~waterLevel~0) .cse4 .cse5 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or .cse6 .cse1 .cse7 .cse2 .cse4 .cse5 .cse8) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0 .cse9 .cse10 .cse5 .cse11) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse2 .cse7 .cse4 .cse12) (or .cse6 .cse9 .cse10 .cse4 .cse12 .cse5 .cse11 .cse8) (let ((.cse13 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse13 ~systemActive~0) .cse2 (< .cse14 0) (< .cse13 ~methaneLevelCritical~0))) (or (<= ~systemActive~0 ~waterLevel~0) .cse7 .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse4 .cse12 .cse5) (or .cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse12)))) [2018-10-27 01:12:38,562 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2018-10-27 01:12:38,562 INFO L425 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2018-10-27 01:12:38,562 INFO L428 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2018-10-27 01:12:38,562 INFO L425 ceAbstractionStarter]: For program point L335-1(lines 335 349) no Hoare annotation was computed. [2018-10-27 01:12:38,562 INFO L428 ceAbstractionStarter]: At program point L335-3(lines 335 349) the Hoare annotation is: true [2018-10-27 01:12:38,563 INFO L428 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L428 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2018-10-27 01:12:38,563 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: (let ((.cse3 (+ ~methaneLevelCritical~0 1)) (.cse0 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~pumpRunning~0 ~methaneLevelCritical~0)) (.cse6 (< (* 2 ~systemActive~0) 2)) (.cse5 (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (.cse9 (< 2 (* 2 ~pumpRunning~0))) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse12 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1)) (.cse7 (< 3 .cse0)) (.cse11 (< ~pumpRunning~0 .cse3)) (.cse8 (< .cse0 1))) (and (or (< .cse0 3) .cse1 .cse2 (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (<= .cse3 ~waterLevel~0) .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4 .cse7 .cse8) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse9 .cse10 .cse7 .cse11) (or (<= ~systemActive~0 ~waterLevel~0) .cse2 .cse6 (< |old(~waterLevel~0)| ~systemActive~0) .cse4 .cse12 .cse7) (or .cse5 .cse9 .cse10 .cse4 .cse12 .cse7 .cse11 .cse8)))) [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2018-10-27 01:12:38,563 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-27 01:12:38,564 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse4 (+ ~pumpRunning~0 1))) (let ((.cse1 (< .cse4 |old(~systemActive~0)|)) (.cse0 (<= ~methaneLevelCritical~0 ~systemActive~0)) (.cse2 (< (* 2 |old(~systemActive~0)|) 2)) (.cse5 (< 2 (+ ~pumpRunning~0 |old(~systemActive~0)|))) (.cse3 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (and (or (and .cse0 (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (< .cse3 0) (< .cse4 ~methaneLevelCritical~0)) (or (= ~systemActive~0 1) .cse1 (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1) (not (= ~methaneLevelCritical~0 0)) .cse5) (or (and (<= ~systemActive~0 ~pumpRunning~0) .cse0) .cse2 (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse5 (< .cse3 1))))) [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2018-10-27 01:12:38,564 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse13 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse4 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse14 (+ ~methaneLevelCritical~0 1)) (.cse15 (+ ~pumpRunning~0 1))) (let ((.cse9 (< .cse15 ~systemActive~0)) (.cse6 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse5 (<= .cse14 ~waterLevel~0)) (.cse11 (not (= ~systemActive~0 1))) (.cse7 (< ~systemActive~0 .cse15)) (.cse12 (< .cse14 |old(~waterLevel~0)|)) (.cse8 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse10 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (< 2 (* 2 ~pumpRunning~0))) (.cse1 (< .cse4 1)) (.cse2 (< 3 .cse13)) (.cse3 (< ~pumpRunning~0 .cse14))) (and (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) (or (< 1 .cse4) .cse5 .cse0 .cse1 .cse6 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) .cse3) (or (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0) .cse7 .cse8 .cse9 .cse1 .cse6) (or (<= .cse10 2) .cse11 .cse7 .cse12 .cse8 .cse9 .cse6) (or .cse5 .cse11 .cse7 (< .cse13 3) .cse12 .cse8 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse10) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1) .cse2 .cse3 (< .cse13 1))))) [2018-10-27 01:12:38,564 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2018-10-27 01:12:38,565 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2018-10-27 01:12:38,565 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2018-10-27 01:12:38,577 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2018-10-27 01:12:38,578 INFO L421 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (and (let ((.cse0 (+ ~pumpRunning~0 1))) (or (not (= 0 ~pumpRunning~0)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (< .cse0 ~methaneLevelCritical~0))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)))) [2018-10-27 01:12:38,578 INFO L425 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-10-27 01:12:38,578 INFO L421 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) [2018-10-27 01:12:38,578 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2018-10-27 01:12:38,578 INFO L425 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2018-10-27 01:12:38,578 INFO L425 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2018-10-27 01:12:38,578 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2018-10-27 01:12:38,579 INFO L428 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2018-10-27 01:12:38,579 INFO L425 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2018-10-27 01:12:38,579 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2018-10-27 01:12:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:12:38 BoogieIcfgContainer [2018-10-27 01:12:38,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 01:12:38,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 01:12:38,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 01:12:38,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 01:12:38,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:01:06" (3/4) ... [2018-10-27 01:12:38,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 01:12:38,609 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-27 01:12:38,609 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 01:12:38,610 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 01:12:38,611 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-27 01:12:38,612 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-27 01:12:38,628 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-27 01:12:38,628 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 01:12:38,630 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-27 01:12:38,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 * methaneLevelCritical <= 0 && systemActive <= pumpRunning) && 1 <= methaneLevelCritical + systemActive) && pumpRunning <= methaneLevelCritical + 1) && splverifierCounter == 0) || ((((systemActive == 1 && 1 <= methaneLevelCritical + systemActive) && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-10-27 01:12:38,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-27 01:12:38,712 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a327ad05-b388-4583-b6eb-714ab98eb8d3/bin-2019/utaipan/witness.graphml [2018-10-27 01:12:38,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 01:12:38,714 INFO L168 Benchmark]: Toolchain (without parser) took 694088.51 ms. Allocated memory was 1.0 GB in the beginning and 5.8 GB in the end (delta: 4.8 GB). Free memory was 959.7 MB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,715 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:12:38,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,716 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,716 INFO L168 Benchmark]: RCFGBuilder took 1323.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,716 INFO L168 Benchmark]: TraceAbstraction took 692093.06 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,718 INFO L168 Benchmark]: Witness Printer took 114.53 ms. Allocated memory is still 5.8 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-27 01:12:38,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1323.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 692093.06 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 11.5 GB. * Witness Printer took 114.53 ms. Allocated memory is still 5.8 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((2 * methaneLevelCritical <= 0 && systemActive <= pumpRunning) && 1 <= methaneLevelCritical + systemActive) && pumpRunning <= methaneLevelCritical + 1) && splverifierCounter == 0) || ((((systemActive == 1 && 1 <= methaneLevelCritical + systemActive) && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 692.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 293.0s AutomataDifference, 0.0s DeadEndRemovalTime, 58.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2588 SDtfs, 6611 SDslu, 14557 SDs, 0 SdLazy, 21567 SolverSat, 4296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 152.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 762 GetRequests, 325 SyntacticMatches, 8 SemanticMatches, 429 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20715 ImplicationChecksByTransitivity, 29.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2482occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 283.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9933679375292849 AbsIntWeakeningRatio, 0.9204819277108434 AbsIntAvgWeakeningVarsNumRemoved, 6398.679518072289 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1052 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 3575 PreInvPairs, 4189 NumberOfFragments, 3990 HoareAnnotationTreeSize, 3575 FomulaSimplifications, 531149 FormulaSimplificationTreeSizeReduction, 22.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 1119996 FormulaSimplificationTreeSizeReductionInter, 35.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1095 NumberOfCodeBlocks, 1095 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1083 ConstructedInterpolants, 0 QuantifiedInterpolants, 173931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 104/112 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...