./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/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 8b70f1184a0eb3743d86be3e0236101e1312b9f0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:12:01,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:12:01,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:12:01,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:12:01,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:12:01,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:12:01,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:12:01,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:12:01,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:12:01,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:12:01,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:12:01,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:12:01,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:12:01,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:12:01,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:12:01,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:12:01,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:12:01,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:12:01,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:12:01,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:12:01,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:12:01,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:12:01,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:12:01,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:12:01,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:12:01,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:12:01,430 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:12:01,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:12:01,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:12:01,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:12:01,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:12:01,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:12:01,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:12:01,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:12:01,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:12:01,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:12:01,434 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:12:01,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:12:01,444 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:12:01,444 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:12:01,444 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:12:01,444 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:12:01,444 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:12:01,445 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:12:01,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:12:01,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:12:01,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:12:01,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:12:01,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:12:01,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:12:01,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:12:01,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:12:01,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:12:01,448 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:12:01,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:12:01,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:12:01,449 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_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/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 -> 8b70f1184a0eb3743d86be3e0236101e1312b9f0 [2018-11-18 16:12:01,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:12:01,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:12:01,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:12:01,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:12:01,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:12:01,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:01,517 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/data/4cd6259a2/95195cd2a90f4ee681c7ba9c27de0c19/FLAG12164382c [2018-11-18 16:12:01,941 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:12:01,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:01,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/data/4cd6259a2/95195cd2a90f4ee681c7ba9c27de0c19/FLAG12164382c [2018-11-18 16:12:01,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/data/4cd6259a2/95195cd2a90f4ee681c7ba9c27de0c19 [2018-11-18 16:12:01,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:12:01,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:12:01,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:01,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:12:01,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:12:01,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:01" (1/1) ... [2018-11-18 16:12:01,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:01, skipping insertion in model container [2018-11-18 16:12:01,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:01" (1/1) ... [2018-11-18 16:12:01,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:12:02,001 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:12:02,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:02,208 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:12:02,313 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:02,330 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:12:02,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02 WrapperNode [2018-11-18 16:12:02,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:02,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:02,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:12:02,332 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:12:02,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:02,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:12:02,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:12:02,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:12:02,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... [2018-11-18 16:12:02,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:12:02,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:12:02,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:12:02,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:12:02,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/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 [2018-11-18 16:12:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:12:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:12:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:12:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:12:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:12:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:12:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:12:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:12:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:12:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:12:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:12:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:12:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:12:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:12:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:12:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:12:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:12:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:12:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:12:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:12:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:12:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:12:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:12:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:12:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:12:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:12:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:12:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:12:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:12:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:12:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:12:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:12:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:12:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:12:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:12:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:12:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:12:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:12:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:12:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:12:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:12:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:12:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:12:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:12:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:12:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:12:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:12:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:12:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:12:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:12:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:12:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:12:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:12:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:12:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:12:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:12:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:12:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:12:02,859 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:12:02,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:02 BoogieIcfgContainer [2018-11-18 16:12:02,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:12:02,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:12:02,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:12:02,863 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:12:02,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:12:01" (1/3) ... [2018-11-18 16:12:02,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f0ef46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:02, skipping insertion in model container [2018-11-18 16:12:02,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:02" (2/3) ... [2018-11-18 16:12:02,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f0ef46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:02, skipping insertion in model container [2018-11-18 16:12:02,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:02" (3/3) ... [2018-11-18 16:12:02,866 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:02,873 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:12:02,880 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:12:02,891 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:12:02,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:12:02,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:12:02,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:12:02,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:12:02,916 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:12:02,916 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:12:02,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:12:02,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:12:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2018-11-18 16:12:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 16:12:02,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:02,936 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:02,937 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:02,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash 177919276, now seen corresponding path program 1 times [2018-11-18 16:12:02,943 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:02,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:02,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:03,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:03,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:12:03,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:03,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:12:03,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:12:03,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:12:03,169 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2018-11-18 16:12:03,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:03,203 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2018-11-18 16:12:03,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:12:03,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 16:12:03,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:03,212 INFO L225 Difference]: With dead ends: 326 [2018-11-18 16:12:03,213 INFO L226 Difference]: Without dead ends: 165 [2018-11-18 16:12:03,215 INFO L604 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 [2018-11-18 16:12:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-18 16:12:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-18 16:12:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 16:12:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 195 transitions. [2018-11-18 16:12:03,250 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 195 transitions. Word has length 59 [2018-11-18 16:12:03,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:03,250 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 195 transitions. [2018-11-18 16:12:03,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:12:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 195 transitions. [2018-11-18 16:12:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:12:03,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:03,252 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:03,252 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:03,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:03,253 INFO L82 PathProgramCache]: Analyzing trace with hash 547911302, now seen corresponding path program 1 times [2018-11-18 16:12:03,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:03,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:03,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:03,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:03,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:03,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:03,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:12:03,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:03,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:12:03,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:12:03,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:03,348 INFO L87 Difference]: Start difference. First operand 165 states and 195 transitions. Second operand 3 states. [2018-11-18 16:12:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:03,371 INFO L93 Difference]: Finished difference Result 273 states and 323 transitions. [2018-11-18 16:12:03,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:12:03,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 16:12:03,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:03,373 INFO L225 Difference]: With dead ends: 273 [2018-11-18 16:12:03,373 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 16:12:03,374 INFO L604 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 [2018-11-18 16:12:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 16:12:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 16:12:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 16:12:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-11-18 16:12:03,389 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 61 [2018-11-18 16:12:03,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:03,389 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-11-18 16:12:03,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:12:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-11-18 16:12:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 16:12:03,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:03,391 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:03,391 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:03,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:03,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1634884287, now seen corresponding path program 1 times [2018-11-18 16:12:03,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:03,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:03,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:03,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:03,392 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:03,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:03,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:12:03,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:03,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:12:03,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:12:03,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:12:03,544 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 7 states. [2018-11-18 16:12:03,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:03,998 INFO L93 Difference]: Finished difference Result 282 states and 337 transitions. [2018-11-18 16:12:03,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:03,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 16:12:03,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:04,000 INFO L225 Difference]: With dead ends: 282 [2018-11-18 16:12:04,000 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 16:12:04,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:04,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 16:12:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 16:12:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 16:12:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 181 transitions. [2018-11-18 16:12:04,013 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 181 transitions. Word has length 65 [2018-11-18 16:12:04,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:04,014 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 181 transitions. [2018-11-18 16:12:04,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:12:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2018-11-18 16:12:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 16:12:04,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:04,017 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:04,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:04,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1071802346, now seen corresponding path program 1 times [2018-11-18 16:12:04,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:04,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:04,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:04,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:04,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:04,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:04,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:12:04,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:04,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:12:04,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:12:04,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:12:04,117 INFO L87 Difference]: Start difference. First operand 155 states and 181 transitions. Second operand 5 states. [2018-11-18 16:12:04,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:04,539 INFO L93 Difference]: Finished difference Result 403 states and 486 transitions. [2018-11-18 16:12:04,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:12:04,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-18 16:12:04,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:04,542 INFO L225 Difference]: With dead ends: 403 [2018-11-18 16:12:04,542 INFO L226 Difference]: Without dead ends: 276 [2018-11-18 16:12:04,543 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:12:04,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-18 16:12:04,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2018-11-18 16:12:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-18 16:12:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 292 transitions. [2018-11-18 16:12:04,564 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 292 transitions. Word has length 83 [2018-11-18 16:12:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:04,564 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 292 transitions. [2018-11-18 16:12:04,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:12:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2018-11-18 16:12:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:12:04,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:04,567 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:04,567 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:04,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1020100245, now seen corresponding path program 1 times [2018-11-18 16:12:04,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:04,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:04,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:04,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:04,568 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:12:04,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:04,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:12:04,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:04,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:12:04,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:12:04,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:12:04,683 INFO L87 Difference]: Start difference. First operand 257 states and 292 transitions. Second operand 7 states. [2018-11-18 16:12:05,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:05,164 INFO L93 Difference]: Finished difference Result 504 states and 588 transitions. [2018-11-18 16:12:05,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:12:05,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-11-18 16:12:05,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:05,166 INFO L225 Difference]: With dead ends: 504 [2018-11-18 16:12:05,166 INFO L226 Difference]: Without dead ends: 275 [2018-11-18 16:12:05,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:12:05,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-11-18 16:12:05,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 256. [2018-11-18 16:12:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-18 16:12:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 289 transitions. [2018-11-18 16:12:05,186 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 289 transitions. Word has length 97 [2018-11-18 16:12:05,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:05,186 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 289 transitions. [2018-11-18 16:12:05,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:12:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 289 transitions. [2018-11-18 16:12:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 16:12:05,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:05,189 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:05,190 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:05,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:05,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1059916110, now seen corresponding path program 1 times [2018-11-18 16:12:05,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:05,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:05,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,191 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:05,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:05,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:12:05,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:05,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:05,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:05,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:12:05,266 INFO L87 Difference]: Start difference. First operand 256 states and 289 transitions. Second operand 6 states. [2018-11-18 16:12:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:05,294 INFO L93 Difference]: Finished difference Result 491 states and 568 transitions. [2018-11-18 16:12:05,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:05,295 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-18 16:12:05,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:05,297 INFO L225 Difference]: With dead ends: 491 [2018-11-18 16:12:05,297 INFO L226 Difference]: Without dead ends: 263 [2018-11-18 16:12:05,298 INFO L604 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 [2018-11-18 16:12:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-18 16:12:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2018-11-18 16:12:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-18 16:12:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 294 transitions. [2018-11-18 16:12:05,314 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 294 transitions. Word has length 113 [2018-11-18 16:12:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:05,314 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 294 transitions. [2018-11-18 16:12:05,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 294 transitions. [2018-11-18 16:12:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 16:12:05,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:05,316 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:05,318 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:05,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:05,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1295889140, now seen corresponding path program 1 times [2018-11-18 16:12:05,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:05,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:05,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:05,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:05,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:12:05,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:05,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:12:05,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:12:05,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:12:05,409 INFO L87 Difference]: Start difference. First operand 261 states and 294 transitions. Second operand 8 states. [2018-11-18 16:12:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:05,431 INFO L93 Difference]: Finished difference Result 501 states and 579 transitions. [2018-11-18 16:12:05,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:12:05,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2018-11-18 16:12:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:05,433 INFO L225 Difference]: With dead ends: 501 [2018-11-18 16:12:05,433 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 16:12:05,434 INFO L604 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 [2018-11-18 16:12:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 16:12:05,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 265. [2018-11-18 16:12:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-11-18 16:12:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 298 transitions. [2018-11-18 16:12:05,444 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 298 transitions. Word has length 113 [2018-11-18 16:12:05,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:05,444 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 298 transitions. [2018-11-18 16:12:05,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:12:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 298 transitions. [2018-11-18 16:12:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 16:12:05,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:05,446 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:05,446 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:05,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:05,455 INFO L82 PathProgramCache]: Analyzing trace with hash -526719125, now seen corresponding path program 1 times [2018-11-18 16:12:05,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:05,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:05,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,456 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:05,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:05,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:12:05,527 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:05,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:12:05,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:12:05,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:12:05,527 INFO L87 Difference]: Start difference. First operand 265 states and 298 transitions. Second operand 4 states. [2018-11-18 16:12:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:05,669 INFO L93 Difference]: Finished difference Result 761 states and 897 transitions. [2018-11-18 16:12:05,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:12:05,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-11-18 16:12:05,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:05,672 INFO L225 Difference]: With dead ends: 761 [2018-11-18 16:12:05,672 INFO L226 Difference]: Without dead ends: 524 [2018-11-18 16:12:05,673 INFO L604 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 [2018-11-18 16:12:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-11-18 16:12:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 515. [2018-11-18 16:12:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-18 16:12:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 596 transitions. [2018-11-18 16:12:05,697 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 596 transitions. Word has length 113 [2018-11-18 16:12:05,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:05,697 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 596 transitions. [2018-11-18 16:12:05,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:12:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 596 transitions. [2018-11-18 16:12:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 16:12:05,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:05,699 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:05,699 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:05,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:05,699 INFO L82 PathProgramCache]: Analyzing trace with hash 249526373, now seen corresponding path program 1 times [2018-11-18 16:12:05,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:05,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:05,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:05,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:05,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:05,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:12:05,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:05,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:12:05,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:12:05,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:05,817 INFO L87 Difference]: Start difference. First operand 515 states and 596 transitions. Second operand 9 states. [2018-11-18 16:12:06,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:06,590 INFO L93 Difference]: Finished difference Result 1348 states and 1629 transitions. [2018-11-18 16:12:06,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:12:06,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2018-11-18 16:12:06,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:06,597 INFO L225 Difference]: With dead ends: 1348 [2018-11-18 16:12:06,597 INFO L226 Difference]: Without dead ends: 935 [2018-11-18 16:12:06,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:12:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2018-11-18 16:12:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 859. [2018-11-18 16:12:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2018-11-18 16:12:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 982 transitions. [2018-11-18 16:12:06,661 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 982 transitions. Word has length 117 [2018-11-18 16:12:06,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:06,661 INFO L480 AbstractCegarLoop]: Abstraction has 859 states and 982 transitions. [2018-11-18 16:12:06,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:12:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 982 transitions. [2018-11-18 16:12:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 16:12:06,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:06,664 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:06,664 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:06,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1717997942, now seen corresponding path program 1 times [2018-11-18 16:12:06,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:06,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:06,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:06,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:06,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:12:06,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:06,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:12:06,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-18 16:12:06,792 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [90], [94], [95], [96], [99], [101], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [153], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [194], [196], [197], [205], [206], [237], [240], [244], [250], [253], [257], [258], [262], [265], [267], [270], [277], [280], [283], [287], [288], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [323], [324], [325], [326], [329], [330], [331], [332], [333], [334], [337], [338], [341], [342], [343], [344], [345], [346], [351], [352], [353], [354], [355], [356], [357], [358], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 16:12:06,824 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:12:06,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:12:08,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:12:08,698 INFO L272 AbstractInterpreter]: Visited 153 different actions 738 times. Merged at 16 different actions 44 times. Never widened. Performed 23554 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23554 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 16:12:08,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:08,714 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:12:08,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:08,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/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 [2018-11-18 16:12:08,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:08,727 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:12:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:08,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:08,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:12:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:12:09,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:12:09,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 16:12:09,318 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:12:09,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 16:12:09,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 16:12:09,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:12:09,319 INFO L87 Difference]: Start difference. First operand 859 states and 982 transitions. Second operand 16 states. [2018-11-18 16:12:10,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:10,039 INFO L93 Difference]: Finished difference Result 1890 states and 2243 transitions. [2018-11-18 16:12:10,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 16:12:10,039 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2018-11-18 16:12:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:10,043 INFO L225 Difference]: With dead ends: 1890 [2018-11-18 16:12:10,043 INFO L226 Difference]: Without dead ends: 1131 [2018-11-18 16:12:10,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 382 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 16:12:10,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2018-11-18 16:12:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1010. [2018-11-18 16:12:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2018-11-18 16:12:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1167 transitions. [2018-11-18 16:12:10,084 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1167 transitions. Word has length 195 [2018-11-18 16:12:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:10,084 INFO L480 AbstractCegarLoop]: Abstraction has 1010 states and 1167 transitions. [2018-11-18 16:12:10,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 16:12:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1167 transitions. [2018-11-18 16:12:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 16:12:10,088 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:10,088 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:10,089 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:10,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:10,089 INFO L82 PathProgramCache]: Analyzing trace with hash -2079797752, now seen corresponding path program 1 times [2018-11-18 16:12:10,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:10,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:10,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:10,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:10,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 99 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-18 16:12:10,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:10,206 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:12:10,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-18 16:12:10,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [88], [89], [90], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [153], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [194], [196], [197], [205], [206], [237], [240], [244], [250], [253], [257], [258], [262], [265], [267], [270], [277], [280], [283], [287], [288], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [337], [338], [341], [342], [343], [344], [345], [346], [351], [352], [353], [354], [355], [356], [357], [358], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 16:12:10,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:12:10,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:12:11,493 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:12:11,493 INFO L272 AbstractInterpreter]: Visited 154 different actions 928 times. Merged at 16 different actions 53 times. Never widened. Performed 28222 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28222 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 2 different actions. Largest state had 134 variables. [2018-11-18 16:12:11,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:11,497 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:12:11,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:11,497 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/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 [2018-11-18 16:12:11,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:11,503 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:12:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:11,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 239 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 16:12:11,780 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:12:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 78 proven. 31 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-11-18 16:12:12,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:12:12,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 16:12:12,375 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:12:12,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 16:12:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 16:12:12,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 16:12:12,376 INFO L87 Difference]: Start difference. First operand 1010 states and 1167 transitions. Second operand 18 states. [2018-11-18 16:12:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:14,116 INFO L93 Difference]: Finished difference Result 2669 states and 3269 transitions. [2018-11-18 16:12:14,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 16:12:14,117 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-11-18 16:12:14,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:14,121 INFO L225 Difference]: With dead ends: 2669 [2018-11-18 16:12:14,121 INFO L226 Difference]: Without dead ends: 1438 [2018-11-18 16:12:14,123 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 650 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 16:12:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2018-11-18 16:12:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1333. [2018-11-18 16:12:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2018-11-18 16:12:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1527 transitions. [2018-11-18 16:12:14,169 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1527 transitions. Word has length 331 [2018-11-18 16:12:14,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:14,170 INFO L480 AbstractCegarLoop]: Abstraction has 1333 states and 1527 transitions. [2018-11-18 16:12:14,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 16:12:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1527 transitions. [2018-11-18 16:12:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-11-18 16:12:14,175 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:14,175 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:14,175 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:14,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash 837009823, now seen corresponding path program 1 times [2018-11-18 16:12:14,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:14,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:14,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:14,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:14,177 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-11-18 16:12:14,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:14,346 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:12:14,346 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-11-18 16:12:14,346 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [76], [78], [79], [80], [84], [86], [87], [88], [89], [90], [93], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [153], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [192], [194], [196], [197], [205], [206], [237], [240], [244], [250], [253], [257], [258], [262], [265], [267], [270], [273], [277], [280], [283], [287], [288], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [337], [338], [341], [342], [343], [344], [345], [346], [351], [352], [353], [354], [355], [356], [357], [358], [359], [360], [361], [363], [364], [365], [366], [367], [368], [369], [370] [2018-11-18 16:12:14,350 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:12:14,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:12:16,915 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:12:16,916 INFO L272 AbstractInterpreter]: Visited 155 different actions 1941 times. Merged at 38 different actions 373 times. Widened at 1 different actions 2 times. Performed 64494 root evaluator evaluations with a maximum evaluation depth of 5. Performed 64494 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 75 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-18 16:12:16,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:16,924 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:12:16,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:16,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:12:16,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:16,932 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:12:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:17,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-11-18 16:12:17,139 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:12:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-11-18 16:12:17,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:12:17,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 16:12:17,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:17,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:17,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:17,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:12:17,542 INFO L87 Difference]: Start difference. First operand 1333 states and 1527 transitions. Second operand 6 states. [2018-11-18 16:12:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:17,601 INFO L93 Difference]: Finished difference Result 1633 states and 1860 transitions. [2018-11-18 16:12:17,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:17,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 421 [2018-11-18 16:12:17,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:17,603 INFO L225 Difference]: With dead ends: 1633 [2018-11-18 16:12:17,603 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:12:17,606 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 837 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:12:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:12:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:12:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:12:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:12:17,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 421 [2018-11-18 16:12:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:17,607 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:12:17,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:12:17,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:12:17,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:12:17,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:17,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:18,532 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 16:12:18,918 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 16:12:19,289 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-18 16:12:20,055 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 16:12:20,564 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2018-11-18 16:12:20,564 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2018-11-18 16:12:20,564 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-18 16:12:20,564 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2018-11-18 16:12:20,564 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-18 16:12:20,564 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 875) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L421 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5 .cse3))) [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 878) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L428 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2018-11-18 16:12:20,565 INFO L421 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 16:12:20,565 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L1015(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L1010(line 1010) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 200) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 205) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2018-11-18 16:12:20,566 INFO L421 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 16:12:20,566 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L421 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,567 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point L352(lines 352 356) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L428 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2018-11-18 16:12:20,567 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2018-11-18 16:12:20,567 INFO L421 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,567 INFO L428 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2018-11-18 16:12:20,568 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2018-11-18 16:12:20,580 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2018-11-18 16:12:20,580 INFO L421 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,580 INFO L421 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,580 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 226) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L421 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 231) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 16:12:20,581 INFO L421 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2018-11-18 16:12:20,581 INFO L421 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-18 16:12:20,581 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 54 99) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:20,582 INFO L421 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:12:20,582 INFO L425 ceAbstractionStarter]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 256) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 243 259) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:12:20,583 INFO L421 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 337) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L428 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2018-11-18 16:12:20,583 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: true [2018-11-18 16:12:20,583 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point L956(lines 931 960) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L941-1(lines 941 955) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point L941-3(lines 941 955) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L428 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: true [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L937-1(line 937) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L425 ceAbstractionStarter]: For program point L128(lines 126 148) no Hoare annotation was computed. [2018-11-18 16:12:20,584 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point L130(lines 126 148) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 16:12:20,585 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2018-11-18 16:12:20,585 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:20,585 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L421 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:20,586 INFO L421 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2018-11-18 16:12:20,586 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2018-11-18 16:12:20,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2018-11-18 16:12:20,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:12:20 BoogieIcfgContainer [2018-11-18 16:12:20,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:12:20,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:12:20,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:12:20,609 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:12:20,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:02" (3/4) ... [2018-11-18 16:12:20,612 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:12:20,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:12:20,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:12:20,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:20,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:12:20,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:12:20,627 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 16:12:20,628 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:12:20,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:12:20,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 16:12:20,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:12:20,683 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e874f15d-066e-4e27-9d82-4d31c4cdf4d9/bin-2019/utaipan/witness.graphml [2018-11-18 16:12:20,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:12:20,684 INFO L168 Benchmark]: Toolchain (without parser) took 18725.62 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 955.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:20,685 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:20,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:20,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.98 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. [2018-11-18 16:12:20,685 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:20,685 INFO L168 Benchmark]: RCFGBuilder took 474.19 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:20,686 INFO L168 Benchmark]: TraceAbstraction took 17748.22 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 932.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 16:12:20,686 INFO L168 Benchmark]: Witness Printer took 74.74 ms. Allocated memory is still 2.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:20,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.19 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17748.22 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 932.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 74.74 ms. Allocated memory is still 2.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 178 locations, 1 error locations. SAFE Result, 17.6s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2693 SDtfs, 3017 SDslu, 7438 SDs, 0 SdLazy, 5907 SolverSat, 1682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2085 GetRequests, 1917 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1333occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.7s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2222 PreInvPairs, 2293 NumberOfFragments, 1954 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 9846 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 14881 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2715 NumberOfCodeBlocks, 2715 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3644 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357274 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3559 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2942/3054 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...