./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:31:40,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:31:40,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:31:40,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:31:40,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:31:40,407 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:31:40,408 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:31:40,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:31:40,410 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:31:40,410 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:31:40,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:31:40,411 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:31:40,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:31:40,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:31:40,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:31:40,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:31:40,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:31:40,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:31:40,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:31:40,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:31:40,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:31:40,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:31:40,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:31:40,417 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:31:40,417 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:31:40,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:31:40,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:31:40,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:31:40,419 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:31:40,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:31:40,420 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:31:40,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:31:40,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:31:40,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:31:40,421 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:31:40,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:31:40,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 21:31:40,428 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:31:40,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:31:40,429 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 21:31:40,429 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 21:31:40,429 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 21:31:40,430 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:31:40,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:31:40,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:31:40,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:31:40,431 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:31:40,432 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 21:31:40,432 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_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-02 21:31:40,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:31:40,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:31:40,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:31:40,460 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:31:40,460 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:31:40,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-02 21:31:40,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/data/5d9a4da83/c274da1ea59f49b9b8f9a0202e966003/FLAG311c754a5 [2018-12-02 21:31:40,943 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:31:40,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-02 21:31:40,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/data/5d9a4da83/c274da1ea59f49b9b8f9a0202e966003/FLAG311c754a5 [2018-12-02 21:31:40,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/data/5d9a4da83/c274da1ea59f49b9b8f9a0202e966003 [2018-12-02 21:31:40,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:31:40,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:31:40,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:31:40,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:31:40,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:31:40,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:40" (1/1) ... [2018-12-02 21:31:40,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:40, skipping insertion in model container [2018-12-02 21:31:40,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:40" (1/1) ... [2018-12-02 21:31:40,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:31:40,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:31:41,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:31:41,179 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:31:41,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:31:41,242 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:31:41,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41 WrapperNode [2018-12-02 21:31:41,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:31:41,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:31:41,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:31:41,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:31:41,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:31:41,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:31:41,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:31:41,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:31:41,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2018-12-02 21:31:41,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:31:41,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:31:41,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:31:41,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:31:41,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:31:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 21:31:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 21:31:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:31:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:31:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 21:31:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 21:31:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 21:31:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 21:31:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 21:31:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 21:31:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:31:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:31:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 21:31:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 21:31:41,589 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:31:41,589 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 21:31:41,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:41 BoogieIcfgContainer [2018-12-02 21:31:41,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:31:41,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:31:41,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:31:41,592 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:31:41,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:31:40" (1/3) ... [2018-12-02 21:31:41,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b45b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:31:41, skipping insertion in model container [2018-12-02 21:31:41,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (2/3) ... [2018-12-02 21:31:41,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b45b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:31:41, skipping insertion in model container [2018-12-02 21:31:41,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:41" (3/3) ... [2018-12-02 21:31:41,595 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-02 21:31:41,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:31:41,605 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:31:41,614 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:31:41,631 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:31:41,632 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:31:41,632 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:31:41,632 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:31:41,632 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:31:41,632 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:31:41,632 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:31:41,632 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:31:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-12-02 21:31:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 21:31:41,649 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:41,649 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:41,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:41,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:41,654 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-12-02 21:31:41,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:41,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:41,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:41,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:41,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:31:41,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:41,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:31:41,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:31:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:31:41,804 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-12-02 21:31:41,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:41,827 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-12-02 21:31:41,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:31:41,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 21:31:41,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:41,834 INFO L225 Difference]: With dead ends: 288 [2018-12-02 21:31:41,835 INFO L226 Difference]: Without dead ends: 144 [2018-12-02 21:31:41,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:31:41,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-02 21:31:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-02 21:31:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-02 21:31:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-02 21:31:41,867 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-12-02 21:31:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:41,868 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-02 21:31:41,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:31:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-02 21:31:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 21:31:41,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:41,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:41,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:41,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-12-02 21:31:41,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:41,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:41,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:41,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:41,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:31:41,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:41,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:31:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:31:41,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:31:41,923 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-12-02 21:31:41,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:41,936 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-12-02 21:31:41,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:31:41,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 21:31:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:41,938 INFO L225 Difference]: With dead ends: 233 [2018-12-02 21:31:41,938 INFO L226 Difference]: Without dead ends: 135 [2018-12-02 21:31:41,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:31:41,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-02 21:31:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-02 21:31:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-02 21:31:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-12-02 21:31:41,947 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-12-02 21:31:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:41,947 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-12-02 21:31:41,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:31:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-12-02 21:31:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:31:41,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:41,948 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:41,949 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:41,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:41,949 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-12-02 21:31:41,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:41,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:41,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:41,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:42,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:42,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:31:42,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:42,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:31:42,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:31:42,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:31:42,037 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-12-02 21:31:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:42,207 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-12-02 21:31:42,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:31:42,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 21:31:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:42,208 INFO L225 Difference]: With dead ends: 246 [2018-12-02 21:31:42,209 INFO L226 Difference]: Without dead ends: 135 [2018-12-02 21:31:42,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:31:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-02 21:31:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-02 21:31:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-02 21:31:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-12-02 21:31:42,220 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-12-02 21:31:42,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:42,221 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-12-02 21:31:42,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:31:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-12-02 21:31:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 21:31:42,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:42,223 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:42,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:42,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-12-02 21:31:42,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:42,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:42,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:31:42,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:42,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:31:42,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:31:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:31:42,305 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-12-02 21:31:42,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:42,621 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-12-02 21:31:42,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:31:42,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-02 21:31:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:42,623 INFO L225 Difference]: With dead ends: 347 [2018-12-02 21:31:42,623 INFO L226 Difference]: Without dead ends: 236 [2018-12-02 21:31:42,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:31:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-02 21:31:42,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-12-02 21:31:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-02 21:31:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-12-02 21:31:42,640 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-12-02 21:31:42,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:42,640 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-12-02 21:31:42,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:31:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-12-02 21:31:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 21:31:42,641 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:42,641 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:42,641 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:42,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:42,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-12-02 21:31:42,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:42,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:42,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:31:42,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:42,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:31:42,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:31:42,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:31:42,703 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-12-02 21:31:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:42,837 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-12-02 21:31:42,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:31:42,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-02 21:31:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:42,841 INFO L225 Difference]: With dead ends: 588 [2018-12-02 21:31:42,841 INFO L226 Difference]: Without dead ends: 395 [2018-12-02 21:31:42,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:31:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-12-02 21:31:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-12-02 21:31:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-02 21:31:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-12-02 21:31:42,883 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-12-02 21:31:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:42,883 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-12-02 21:31:42,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:31:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-12-02 21:31:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 21:31:42,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:42,885 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:42,886 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:42,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-12-02 21:31:42,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:42,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:42,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:42,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:31:42,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:42,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:31:42,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:42,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:31:42,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:31:42,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:31:42,962 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-12-02 21:31:43,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:43,269 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-12-02 21:31:43,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:31:43,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-02 21:31:43,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:43,271 INFO L225 Difference]: With dead ends: 424 [2018-12-02 21:31:43,271 INFO L226 Difference]: Without dead ends: 421 [2018-12-02 21:31:43,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:31:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-02 21:31:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-12-02 21:31:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-02 21:31:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-12-02 21:31:43,285 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-12-02 21:31:43,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:43,286 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-12-02 21:31:43,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:31:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-12-02 21:31:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 21:31:43,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:43,287 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:43,287 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:43,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:43,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-12-02 21:31:43,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:43,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:43,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:31:43,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:43,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:31:43,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:43,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:31:43,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:31:43,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:31:43,322 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-12-02 21:31:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:43,349 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-12-02 21:31:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:31:43,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 21:31:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:43,351 INFO L225 Difference]: With dead ends: 768 [2018-12-02 21:31:43,351 INFO L226 Difference]: Without dead ends: 403 [2018-12-02 21:31:43,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:31:43,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-02 21:31:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-02 21:31:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-02 21:31:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-12-02 21:31:43,364 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-12-02 21:31:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:43,364 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-12-02 21:31:43,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:31:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-12-02 21:31:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 21:31:43,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:43,366 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:43,366 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:43,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-12-02 21:31:43,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:43,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:43,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:31:43,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:43,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 21:31:43,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:43,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 21:31:43,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 21:31:43,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:31:43,420 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-12-02 21:31:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:43,443 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-12-02 21:31:43,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:31:43,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-02 21:31:43,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:43,446 INFO L225 Difference]: With dead ends: 788 [2018-12-02 21:31:43,446 INFO L226 Difference]: Without dead ends: 413 [2018-12-02 21:31:43,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:31:43,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-02 21:31:43,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-02 21:31:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-02 21:31:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-12-02 21:31:43,465 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-12-02 21:31:43,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:43,465 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-12-02 21:31:43,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 21:31:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-12-02 21:31:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 21:31:43,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:43,467 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:43,467 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:43,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:43,467 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-12-02 21:31:43,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:43,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:43,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,468 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:31:43,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:43,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:31:43,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:43,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:31:43,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:31:43,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:31:43,528 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-12-02 21:31:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:43,661 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-12-02 21:31:43,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 21:31:43,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 21:31:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:43,664 INFO L225 Difference]: With dead ends: 1209 [2018-12-02 21:31:43,664 INFO L226 Difference]: Without dead ends: 826 [2018-12-02 21:31:43,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:31:43,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-12-02 21:31:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-12-02 21:31:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-02 21:31:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-12-02 21:31:43,694 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-12-02 21:31:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:43,694 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-12-02 21:31:43,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:31:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-12-02 21:31:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:31:43,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:43,695 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:43,696 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:43,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:43,696 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-12-02 21:31:43,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:43,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:43,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:43,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 21:31:43,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:31:43,792 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:31:43,792 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-02 21:31:43,794 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [94], [99], [105], [108], [118], [119], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [158], [162], [195], [196], [204], [210], [213], [215], [218], [228], [231], [235], [236], [239], [241], [244], [246], [249], [258], [259], [260], [261], [262], [263], [264], [265], [266], [270], [272], [273], [280], [281], [282], [283], [284], [285], [288], [292], [293], [294], [295], [296], [297], [300], [301], [302], [308], [309], [310], [312], [313], [314], [315], [320], [321], [322], [323], [324] [2018-12-02 21:31:43,818 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:31:43,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:31:44,129 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 21:31:44,130 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 21:31:44,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:44,135 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 21:31:44,294 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.17% of their original sizes. [2018-12-02 21:31:44,294 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 21:31:44,436 INFO L418 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-12-02 21:31:44,436 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 21:31:44,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 21:31:44,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-02 21:31:44,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:44,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-02 21:31:44,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-02 21:31:44,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-12-02 21:31:44,438 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 24 states. [2018-12-02 21:31:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:48,622 INFO L93 Difference]: Finished difference Result 1791 states and 2112 transitions. [2018-12-02 21:31:48,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-02 21:31:48,623 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 103 [2018-12-02 21:31:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:48,626 INFO L225 Difference]: With dead ends: 1791 [2018-12-02 21:31:48,626 INFO L226 Difference]: Without dead ends: 1004 [2018-12-02 21:31:48,628 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2018-12-02 21:31:48,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2018-12-02 21:31:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1000. [2018-12-02 21:31:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2018-12-02 21:31:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1132 transitions. [2018-12-02 21:31:48,664 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1132 transitions. Word has length 103 [2018-12-02 21:31:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:48,664 INFO L480 AbstractCegarLoop]: Abstraction has 1000 states and 1132 transitions. [2018-12-02 21:31:48,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-02 21:31:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1132 transitions. [2018-12-02 21:31:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 21:31:48,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:48,666 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:48,667 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:48,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:48,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1202923825, now seen corresponding path program 1 times [2018-12-02 21:31:48,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:48,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:48,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:31:48,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:31:48,719 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:31:48,719 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-02 21:31:48,720 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-12-02 21:31:48,723 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:31:48,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:31:49,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:31:49,157 INFO L272 AbstractInterpreter]: Visited 110 different actions 193 times. Merged at 9 different actions 14 times. Never widened. Performed 10694 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-12-02 21:31:49,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:49,164 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:31:49,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:31:49,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:31:49,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:49,171 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:31:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:49,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:31:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:31:49,307 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:31:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:31:49,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:31:49,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-02 21:31:49,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:49,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:31:49,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:31:49,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:31:49,498 INFO L87 Difference]: Start difference. First operand 1000 states and 1132 transitions. Second operand 5 states. [2018-12-02 21:31:49,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:49,828 INFO L93 Difference]: Finished difference Result 1905 states and 2275 transitions. [2018-12-02 21:31:49,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:31:49,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-12-02 21:31:49,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:49,832 INFO L225 Difference]: With dead ends: 1905 [2018-12-02 21:31:49,833 INFO L226 Difference]: Without dead ends: 1272 [2018-12-02 21:31:49,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:31:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-12-02 21:31:49,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1156. [2018-12-02 21:31:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2018-12-02 21:31:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1331 transitions. [2018-12-02 21:31:49,880 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1331 transitions. Word has length 161 [2018-12-02 21:31:49,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:49,880 INFO L480 AbstractCegarLoop]: Abstraction has 1156 states and 1331 transitions. [2018-12-02 21:31:49,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:31:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1331 transitions. [2018-12-02 21:31:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 21:31:49,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:49,882 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:49,882 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:49,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:49,883 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-12-02 21:31:49,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:49,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:49,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:49,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:49,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:31:49,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:31:49,980 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:31:49,981 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-02 21:31:49,981 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-12-02 21:31:49,984 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:31:49,984 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:31:51,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:31:51,107 INFO L272 AbstractInterpreter]: Visited 133 different actions 906 times. Merged at 18 different actions 71 times. Never widened. Performed 32694 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-02 21:31:51,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:51,115 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:31:51,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:31:51,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:31:51,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:51,125 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:31:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:51,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:31:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:31:51,255 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:31:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:31:51,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:31:51,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-02 21:31:51,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:51,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:31:51,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:31:51,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-02 21:31:51,529 INFO L87 Difference]: Start difference. First operand 1156 states and 1331 transitions. Second operand 9 states. [2018-12-02 21:31:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:52,179 INFO L93 Difference]: Finished difference Result 2547 states and 3204 transitions. [2018-12-02 21:31:52,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 21:31:52,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-02 21:31:52,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:52,186 INFO L225 Difference]: With dead ends: 2547 [2018-12-02 21:31:52,186 INFO L226 Difference]: Without dead ends: 1764 [2018-12-02 21:31:52,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-02 21:31:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2018-12-02 21:31:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1444. [2018-12-02 21:31:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-12-02 21:31:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1673 transitions. [2018-12-02 21:31:52,253 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1673 transitions. Word has length 157 [2018-12-02 21:31:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:52,253 INFO L480 AbstractCegarLoop]: Abstraction has 1444 states and 1673 transitions. [2018-12-02 21:31:52,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:31:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1673 transitions. [2018-12-02 21:31:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 21:31:52,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:31:52,255 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:31:52,255 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:31:52,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:31:52,256 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-12-02 21:31:52,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:31:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:52,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:31:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:31:52,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:31:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 21:31:52,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:31:52,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 21:31:52,329 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:31:52,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:31:52,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:31:52,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:31:52,330 INFO L87 Difference]: Start difference. First operand 1444 states and 1673 transitions. Second operand 9 states. [2018-12-02 21:31:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:31:52,379 INFO L93 Difference]: Finished difference Result 1848 states and 2139 transitions. [2018-12-02 21:31:52,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:31:52,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-02 21:31:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:31:52,380 INFO L225 Difference]: With dead ends: 1848 [2018-12-02 21:31:52,380 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:31:52,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:31:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:31:52,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:31:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:31:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:31:52,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-02 21:31:52,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:31:52,383 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:31:52,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:31:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:31:52,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:31:52,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:31:52,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:52,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:31:53,141 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2018-12-02 21:31:53,614 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-12-02 21:31:53,955 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-12-02 21:31:54,175 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2018-12-02 21:31:54,923 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-12-02 21:31:55,043 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-12-02 21:31:55,043 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-12-02 21:31:55,043 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-12-02 21:31:55,043 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-12-02 21:31:55,043 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-12-02 21:31:55,043 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,043 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,044 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,044 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,044 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-02 21:31:55,044 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-12-02 21:31:55,044 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-12-02 21:31:55,045 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-12-02 21:31:55,045 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-02 21:31:55,046 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-12-02 21:31:55,046 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-12-02 21:31:55,047 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,047 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-12-02 21:31:55,047 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-12-02 21:31:55,047 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 21:31:55,048 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:31:55,048 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 21:31:55,049 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-12-02 21:31:55,049 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) (and .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4)) (or .cse6 .cse4 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse0 .cse1 .cse2) .cse11))) [2018-12-02 21:31:55,050 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 1)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse8 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse13 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse13)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse7 .cse5) .cse6 .cse8 .cse3 .cse9) (or .cse8 (and .cse10 .cse11) (or .cse12 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or (and .cse10 .cse7) (or .cse0 .cse12 .cse3) (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11))))) [2018-12-02 21:31:55,050 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-02 21:31:55,050 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-02 21:31:55,050 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 21:31:55,051 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse5 .cse3 (< ~waterLevel~0 1) .cse2 .cse4))) [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-12-02 21:31:55,051 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (and .cse2 .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< ~waterLevel~0 1) .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 .cse1 .cse5 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse0 .cse1 .cse5 .cse6)))) [2018-12-02 21:31:55,051 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= 2 ~waterLevel~0) .cse1) (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (or .cse3 .cse0 (< ~waterLevel~0 2) .cse2)) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-12-02 21:31:55,052 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-02 21:31:55,052 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-02 21:31:55,052 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-02 21:31:55,053 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-02 21:31:55,053 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-12-02 21:31:55,053 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-12-02 21:31:55,053 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-12-02 21:31:55,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:31:55 BoogieIcfgContainer [2018-12-02 21:31:55,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:31:55,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:31:55,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:31:55,062 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:31:55,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:41" (3/4) ... [2018-12-02 21:31:55,065 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:31:55,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 21:31:55,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 21:31:55,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:31:55,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 21:31:55,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 21:31:55,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 21:31:55,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 21:31:55,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 21:31:55,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 21:31:55,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 21:31:55,076 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 21:31:55,076 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 21:31:55,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 21:31:55,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 21:31:55,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 21:31:55,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:31:55,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 21:31:55,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 21:31:55,118 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e0fb433-71b4-4b01-bae9-4e7833fba0a5/bin-2019/utaipan/witness.graphml [2018-12-02 21:31:55,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:31:55,119 INFO L168 Benchmark]: Toolchain (without parser) took 14158.66 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 699.9 MB). Free memory was 950.6 MB in the beginning and 958.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 692.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,119 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: RCFGBuilder took 304.65 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: TraceAbstraction took 13471.29 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 536.3 MB). Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 118.1 MB). Peak memory consumption was 817.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,120 INFO L168 Benchmark]: Witness Printer took 56.75 ms. Allocated memory is still 1.7 GB. Free memory was 975.1 MB in the beginning and 958.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:31:55,121 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.23 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 304.65 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13471.29 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 536.3 MB). Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 118.1 MB). Peak memory consumption was 817.4 MB. Max. memory is 11.5 GB. * Witness Printer took 56.75 ms. Allocated memory is still 1.7 GB. Free memory was 975.1 MB in the beginning and 958.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 13.4s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2458 SDtfs, 1851 SDslu, 7846 SDs, 0 SdLazy, 3861 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 887 GetRequests, 757 SyntacticMatches, 6 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1444occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9967818434047467 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 522 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2344 PreInvPairs, 2444 NumberOfFragments, 2323 HoareAnnotationTreeSize, 2344 FomulaSimplifications, 13709 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 12593 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1565 NumberOfCodeBlocks, 1565 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 377262 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1775 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 251/269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...