./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_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_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/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 9c111f83061d8c18367444893b685a787d8ca976 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:09:35,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:09:35,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:09:35,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:09:35,446 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:09:35,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:09:35,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:09:35,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:09:35,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:09:35,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:09:35,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:09:35,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:09:35,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:09:35,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:09:35,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:09:35,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:09:35,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:09:35,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:09:35,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:09:35,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:09:35,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:09:35,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:09:35,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:09:35,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:09:35,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:09:35,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:09:35,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:09:35,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:09:35,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:09:35,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:09:35,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:09:35,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:09:35,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:09:35,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:09:35,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:09:35,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:09:35,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:09:35,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:09:35,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:09:35,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:09:35,479 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:09:35,479 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:09:35,479 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:09:35,479 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:09:35,479 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:09:35,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:09:35,480 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:09:35,480 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:09:35,480 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:09:35,480 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:09:35,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:09:35,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:09:35,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:09:35,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:09:35,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:09:35,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:09:35,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:09:35,484 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_00b208a3-9c66-4187-b596-d19ce2aaddb5/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-11-18 11:09:35,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:09:35,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:09:35,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:09:35,517 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:09:35,517 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:09:35,517 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:35,555 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/data/b57e5ccbe/ea60eddc50dc42109a8f122d06de289a/FLAGdd2a4182d [2018-11-18 11:09:35,892 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:09:35,892 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:35,899 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/data/b57e5ccbe/ea60eddc50dc42109a8f122d06de289a/FLAGdd2a4182d [2018-11-18 11:09:35,907 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/data/b57e5ccbe/ea60eddc50dc42109a8f122d06de289a [2018-11-18 11:09:35,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:09:35,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:09:35,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:35,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:09:35,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:09:35,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:35" (1/1) ... [2018-11-18 11:09:35,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:35, skipping insertion in model container [2018-11-18 11:09:35,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:35" (1/1) ... [2018-11-18 11:09:35,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:09:35,950 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:09:36,148 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:36,155 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:09:36,279 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:36,301 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:09:36,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36 WrapperNode [2018-11-18 11:09:36,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:36,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:36,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:09:36,302 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:09:36,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:36,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:09:36,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:09:36,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:09:36,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... [2018-11-18 11:09:36,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:09:36,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:09:36,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:09:36,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:09:36,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/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 11:09:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:09:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:09:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:09:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:09:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:09:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:09:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:09:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:09:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:09:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:09:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:09:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:09:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:09:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:09:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:09:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:09:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:09:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:09:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:09:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:09:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:09:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:09:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:09:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:09:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:09:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:09:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:09:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:09:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:09:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:09:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:09:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:09:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:09:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:09:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:09:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:09:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:09:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:09:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:09:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:09:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:09:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:09:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:09:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:09:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:09:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:09:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:09:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:09:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:09:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:09:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:09:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:09:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:09:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:09:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:09:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:09:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:09:36,889 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:09:36,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:36 BoogieIcfgContainer [2018-11-18 11:09:36,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:09:36,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:09:36,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:09:36,893 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:09:36,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:09:35" (1/3) ... [2018-11-18 11:09:36,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3688c130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:36, skipping insertion in model container [2018-11-18 11:09:36,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:36" (2/3) ... [2018-11-18 11:09:36,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3688c130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:36, skipping insertion in model container [2018-11-18 11:09:36,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:36" (3/3) ... [2018-11-18 11:09:36,897 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:36,905 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:09:36,912 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:09:36,926 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:09:36,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:09:36,954 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:09:36,954 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:09:36,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:09:36,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:09:36,954 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:09:36,954 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:09:36,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:09:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-18 11:09:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:09:36,977 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:36,977 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:36,979 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:36,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:36,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1046437394, now seen corresponding path program 1 times [2018-11-18 11:09:36,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:37,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:37,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:37,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:37,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:09:37,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:37,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:09:37,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:09:37,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:09:37,223 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-18 11:09:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:37,253 INFO L93 Difference]: Finished difference Result 276 states and 343 transitions. [2018-11-18 11:09:37,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:09:37,254 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 11:09:37,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:37,266 INFO L225 Difference]: With dead ends: 276 [2018-11-18 11:09:37,266 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 11:09:37,269 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 11:09:37,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 11:09:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 11:09:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 11:09:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-18 11:09:37,315 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 51 [2018-11-18 11:09:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:37,315 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-18 11:09:37,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:09:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-18 11:09:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:09:37,318 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:37,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:37,319 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:37,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:37,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1955521462, now seen corresponding path program 1 times [2018-11-18 11:09:37,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:37,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:37,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:37,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:37,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:09:37,404 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:37,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:37,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:37,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:37,406 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-11-18 11:09:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:37,424 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2018-11-18 11:09:37,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:37,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 11:09:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:37,426 INFO L225 Difference]: With dead ends: 213 [2018-11-18 11:09:37,426 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 11:09:37,427 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 11:09:37,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 11:09:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 11:09:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 11:09:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-18 11:09:37,438 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 53 [2018-11-18 11:09:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:37,438 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-18 11:09:37,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-18 11:09:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:09:37,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:37,440 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:37,440 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:37,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:37,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1257804700, now seen corresponding path program 1 times [2018-11-18 11:09:37,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:37,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:37,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:37,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:09:37,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:37,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:09:37,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:09:37,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:37,601 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-18 11:09:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:38,060 INFO L93 Difference]: Finished difference Result 386 states and 471 transitions. [2018-11-18 11:09:38,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:09:38,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 11:09:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:38,063 INFO L225 Difference]: With dead ends: 386 [2018-11-18 11:09:38,063 INFO L226 Difference]: Without dead ends: 284 [2018-11-18 11:09:38,064 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 11:09:38,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-11-18 11:09:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2018-11-18 11:09:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-18 11:09:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 331 transitions. [2018-11-18 11:09:38,091 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 331 transitions. Word has length 58 [2018-11-18 11:09:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:38,091 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 331 transitions. [2018-11-18 11:09:38,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:09:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 331 transitions. [2018-11-18 11:09:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:09:38,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:38,094 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:38,095 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:38,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:38,095 INFO L82 PathProgramCache]: Analyzing trace with hash 325539580, now seen corresponding path program 1 times [2018-11-18 11:09:38,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:38,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:38,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:38,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:38,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:09:38,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:38,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:09:38,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:09:38,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:09:38,191 INFO L87 Difference]: Start difference. First operand 272 states and 331 transitions. Second operand 6 states. [2018-11-18 11:09:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:38,404 INFO L93 Difference]: Finished difference Result 742 states and 927 transitions. [2018-11-18 11:09:38,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:38,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 11:09:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:38,408 INFO L225 Difference]: With dead ends: 742 [2018-11-18 11:09:38,408 INFO L226 Difference]: Without dead ends: 498 [2018-11-18 11:09:38,410 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:09:38,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-18 11:09:38,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 492. [2018-11-18 11:09:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2018-11-18 11:09:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 602 transitions. [2018-11-18 11:09:38,447 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 602 transitions. Word has length 63 [2018-11-18 11:09:38,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:38,448 INFO L480 AbstractCegarLoop]: Abstraction has 492 states and 602 transitions. [2018-11-18 11:09:38,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:09:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 602 transitions. [2018-11-18 11:09:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:09:38,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:38,451 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:38,451 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:38,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:38,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1204221384, now seen corresponding path program 1 times [2018-11-18 11:09:38,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:38,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:38,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:38,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:38,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:38,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:09:38,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:38,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:09:38,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:09:38,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:09:38,531 INFO L87 Difference]: Start difference. First operand 492 states and 602 transitions. Second operand 6 states. [2018-11-18 11:09:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:38,711 INFO L93 Difference]: Finished difference Result 1153 states and 1469 transitions. [2018-11-18 11:09:38,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:38,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-11-18 11:09:38,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:38,715 INFO L225 Difference]: With dead ends: 1153 [2018-11-18 11:09:38,716 INFO L226 Difference]: Without dead ends: 689 [2018-11-18 11:09:38,718 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:09:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-11-18 11:09:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 671. [2018-11-18 11:09:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2018-11-18 11:09:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 817 transitions. [2018-11-18 11:09:38,753 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 817 transitions. Word has length 67 [2018-11-18 11:09:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:38,754 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 817 transitions. [2018-11-18 11:09:38,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:09:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 817 transitions. [2018-11-18 11:09:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:09:38,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:38,756 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:38,757 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:38,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:38,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1142559569, now seen corresponding path program 1 times [2018-11-18 11:09:38,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:38,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:38,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:38,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:38,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:09:38,834 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:38,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:09:38,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:09:38,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:09:38,835 INFO L87 Difference]: Start difference. First operand 671 states and 817 transitions. Second operand 6 states. [2018-11-18 11:09:38,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:38,893 INFO L93 Difference]: Finished difference Result 1334 states and 1656 transitions. [2018-11-18 11:09:38,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:09:38,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 11:09:38,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:38,897 INFO L225 Difference]: With dead ends: 1334 [2018-11-18 11:09:38,897 INFO L226 Difference]: Without dead ends: 691 [2018-11-18 11:09:38,898 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 11:09:38,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2018-11-18 11:09:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2018-11-18 11:09:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-11-18 11:09:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 837 transitions. [2018-11-18 11:09:38,926 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 837 transitions. Word has length 90 [2018-11-18 11:09:38,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:38,927 INFO L480 AbstractCegarLoop]: Abstraction has 691 states and 837 transitions. [2018-11-18 11:09:38,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:09:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 837 transitions. [2018-11-18 11:09:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:09:38,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:38,929 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:38,929 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:38,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:38,929 INFO L82 PathProgramCache]: Analyzing trace with hash -440959695, now seen corresponding path program 1 times [2018-11-18 11:09:38,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:38,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:38,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:38,930 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:39,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:39,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:09:39,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:39,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:09:39,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:09:39,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:39,018 INFO L87 Difference]: Start difference. First operand 691 states and 837 transitions. Second operand 8 states. [2018-11-18 11:09:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:39,051 INFO L93 Difference]: Finished difference Result 1382 states and 1734 transitions. [2018-11-18 11:09:39,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:39,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-18 11:09:39,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:39,056 INFO L225 Difference]: With dead ends: 1382 [2018-11-18 11:09:39,056 INFO L226 Difference]: Without dead ends: 719 [2018-11-18 11:09:39,057 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 11:09:39,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2018-11-18 11:09:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 707. [2018-11-18 11:09:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-11-18 11:09:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 853 transitions. [2018-11-18 11:09:39,080 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 853 transitions. Word has length 90 [2018-11-18 11:09:39,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:39,081 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 853 transitions. [2018-11-18 11:09:39,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:09:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 853 transitions. [2018-11-18 11:09:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:09:39,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:39,083 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:39,083 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:39,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:39,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1284521202, now seen corresponding path program 1 times [2018-11-18 11:09:39,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:39,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:39,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:39,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:39,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:09:39,147 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:39,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:09:39,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:09:39,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:09:39,148 INFO L87 Difference]: Start difference. First operand 707 states and 853 transitions. Second operand 4 states. [2018-11-18 11:09:39,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:39,342 INFO L93 Difference]: Finished difference Result 2343 states and 2958 transitions. [2018-11-18 11:09:39,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:09:39,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-18 11:09:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:39,349 INFO L225 Difference]: With dead ends: 2343 [2018-11-18 11:09:39,349 INFO L226 Difference]: Without dead ends: 1664 [2018-11-18 11:09:39,351 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 11:09:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2018-11-18 11:09:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1633. [2018-11-18 11:09:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1633 states. [2018-11-18 11:09:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2005 transitions. [2018-11-18 11:09:39,409 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2005 transitions. Word has length 90 [2018-11-18 11:09:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:39,410 INFO L480 AbstractCegarLoop]: Abstraction has 1633 states and 2005 transitions. [2018-11-18 11:09:39,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:09:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2005 transitions. [2018-11-18 11:09:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 11:09:39,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:39,413 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:39,413 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:39,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:39,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1276871864, now seen corresponding path program 1 times [2018-11-18 11:09:39,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:39,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:39,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:39,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:39,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:09:39,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:39,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:39,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:39,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:39,478 INFO L87 Difference]: Start difference. First operand 1633 states and 2005 transitions. Second operand 3 states. [2018-11-18 11:09:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:39,535 INFO L93 Difference]: Finished difference Result 2552 states and 3213 transitions. [2018-11-18 11:09:39,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:39,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-18 11:09:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:39,543 INFO L225 Difference]: With dead ends: 2552 [2018-11-18 11:09:39,543 INFO L226 Difference]: Without dead ends: 2549 [2018-11-18 11:09:39,544 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:09:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2018-11-18 11:09:39,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2409. [2018-11-18 11:09:39,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2409 states. [2018-11-18 11:09:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3049 transitions. [2018-11-18 11:09:39,627 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3049 transitions. Word has length 94 [2018-11-18 11:09:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:39,627 INFO L480 AbstractCegarLoop]: Abstraction has 2409 states and 3049 transitions. [2018-11-18 11:09:39,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3049 transitions. [2018-11-18 11:09:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:09:39,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:39,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:39,633 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:39,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:39,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2023878984, now seen corresponding path program 1 times [2018-11-18 11:09:39,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:39,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:09:39,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:39,743 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:09:39,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 11:09:39,744 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [33], [35], [36], [39], [42], [44], [50], [54], [57], [58], [62], [63], [64], [65], [69], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [111], [119], [121], [124], [126], [129], [132], [135], [143], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [165], [167], [197], [200], [204], [210], [211], [212], [215], [219], [220], [224], [227], [229], [232], [239], [242], [247], [251], [252], [255], [256], [257], [258], [259], [260], [261], [262], [263], [267], [268], [269], [271], [272], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [289], [290], [293], [294], [295], [296], [297], [299], [300], [305], [306], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317], [318], [321], [322] [2018-11-18 11:09:39,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:09:39,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:09:40,775 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:09:40,776 INFO L272 AbstractInterpreter]: Visited 122 different actions 447 times. Merged at 19 different actions 48 times. Never widened. Performed 16346 root evaluator evaluations with a maximum evaluation depth of 3. Performed 16346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-18 11:09:40,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:40,794 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:09:40,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:40,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/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 11:09:40,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:40,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:09:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:40,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:09:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:09:41,051 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:09:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:09:41,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:09:41,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 11:09:41,520 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:41,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:09:41,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:09:41,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 11:09:41,520 INFO L87 Difference]: Start difference. First operand 2409 states and 3049 transitions. Second operand 8 states. [2018-11-18 11:09:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:41,895 INFO L93 Difference]: Finished difference Result 4650 states and 5944 transitions. [2018-11-18 11:09:41,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:41,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2018-11-18 11:09:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:41,906 INFO L225 Difference]: With dead ends: 4650 [2018-11-18 11:09:41,906 INFO L226 Difference]: Without dead ends: 2269 [2018-11-18 11:09:41,912 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 293 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 11:09:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2018-11-18 11:09:42,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2269. [2018-11-18 11:09:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2018-11-18 11:09:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 2809 transitions. [2018-11-18 11:09:42,034 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 2809 transitions. Word has length 154 [2018-11-18 11:09:42,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:42,035 INFO L480 AbstractCegarLoop]: Abstraction has 2269 states and 2809 transitions. [2018-11-18 11:09:42,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:09:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2809 transitions. [2018-11-18 11:09:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:09:42,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:42,043 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-18 11:09:42,043 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:42,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash 345890220, now seen corresponding path program 1 times [2018-11-18 11:09:42,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:42,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:42,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:42,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:42,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:09:42,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:42,150 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:09:42,150 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 11:09:42,150 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [69], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [111], [119], [121], [124], [126], [129], [132], [135], [143], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [165], [167], [200], [204], [210], [211], [212], [220], [224], [227], [229], [232], [242], [247], [251], [252], [255], [256], [257], [258], [259], [260], [261], [262], [263], [267], [268], [269], [279], [280], [281], [282], [283], [284], [289], [290], [293], [294], [295], [296], [297], [299], [300], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317], [318] [2018-11-18 11:09:42,153 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:09:42,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:09:43,483 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:09:43,483 INFO L272 AbstractInterpreter]: Visited 101 different actions 409 times. Merged at 15 different actions 45 times. Never widened. Performed 24968 root evaluator evaluations with a maximum evaluation depth of 3. Performed 24968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 11:09:43,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:43,485 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:09:43,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:43,485 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/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 11:09:43,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:43,492 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:09:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:43,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:09:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:43,649 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:09:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:09:43,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:09:43,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 11:09:43,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:43,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:43,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:43,853 INFO L87 Difference]: Start difference. First operand 2269 states and 2809 transitions. Second operand 3 states. [2018-11-18 11:09:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:43,982 INFO L93 Difference]: Finished difference Result 4026 states and 5109 transitions. [2018-11-18 11:09:43,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:43,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-18 11:09:43,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:43,992 INFO L225 Difference]: With dead ends: 4026 [2018-11-18 11:09:43,992 INFO L226 Difference]: Without dead ends: 2115 [2018-11-18 11:09:43,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:43,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2018-11-18 11:09:44,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2083. [2018-11-18 11:09:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2018-11-18 11:09:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2451 transitions. [2018-11-18 11:09:44,088 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2451 transitions. Word has length 154 [2018-11-18 11:09:44,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:44,088 INFO L480 AbstractCegarLoop]: Abstraction has 2083 states and 2451 transitions. [2018-11-18 11:09:44,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2451 transitions. [2018-11-18 11:09:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 11:09:44,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:44,095 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-18 11:09:44,095 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:44,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:44,095 INFO L82 PathProgramCache]: Analyzing trace with hash -890186669, now seen corresponding path program 1 times [2018-11-18 11:09:44,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:44,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:44,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:44,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:44,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 11:09:44,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:44,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:09:44,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:44,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:44,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:44,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:44,153 INFO L87 Difference]: Start difference. First operand 2083 states and 2451 transitions. Second operand 3 states. [2018-11-18 11:09:44,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:44,274 INFO L93 Difference]: Finished difference Result 3217 states and 3799 transitions. [2018-11-18 11:09:44,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:44,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2018-11-18 11:09:44,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:44,276 INFO L225 Difference]: With dead ends: 3217 [2018-11-18 11:09:44,276 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:09:44,281 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 11:09:44,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:09:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:09:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:09:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:09:44,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2018-11-18 11:09:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:44,282 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:09:44,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:09:44,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:09:44,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:09:44,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:45,113 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-11-18 11:09:45,591 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2018-11-18 11:09:45,930 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2018-11-18 11:09:46,407 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 56 [2018-11-18 11:09:46,538 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2018-11-18 11:09:46,965 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-11-18 11:09:47,161 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-11-18 11:09:47,808 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,809 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,809 INFO L421 ceAbstractionStarter]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 927) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2018-11-18 11:09:47,809 INFO L425 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-11-18 11:09:47,810 INFO L421 ceAbstractionStarter]: At program point L917(line 917) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,810 INFO L421 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,810 INFO L421 ceAbstractionStarter]: At program point L916-1(line 916) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,810 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2018-11-18 11:09:47,810 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2018-11-18 11:09:47,810 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= 1 ~pumpRunning~0) (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse0 .cse2) (or .cse3 .cse6 .cse1 .cse5))) [2018-11-18 11:09:47,810 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-18 11:09:47,810 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (or .cse10 .cse9)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (and (<= 1 ~pumpRunning~0) (= ~systemActive~0 1))) (.cse8 (not (= |old(~systemActive~0)| 0))) (.cse7 (= ~systemActive~0 0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse4 .cse6) (or .cse0 .cse3 .cse9 .cse2) (or .cse1 .cse8 .cse7 .cse10 .cse6) (or .cse1 .cse5 .cse10 .cse6)))) [2018-11-18 11:09:47,810 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2018-11-18 11:09:47,811 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L421 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,811 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2018-11-18 11:09:47,811 INFO L428 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2018-11-18 11:09:47,811 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (<= 1 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-18 11:09:47,812 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse1 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse7 .cse2))) [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-11-18 11:09:47,812 INFO L425 ceAbstractionStarter]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse1) (or .cse5 .cse1 .cse3 (<= 1 ~pumpRunning~0)))) [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse4 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) .cse1) (or .cse5 .cse1 .cse3 .cse6))) [2018-11-18 11:09:47,812 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2018-11-18 11:09:47,812 INFO L421 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse6 .cse1) (or .cse5 .cse1 .cse3 .cse6))) [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 340) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2018-11-18 11:09:47,813 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,813 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2018-11-18 11:09:47,813 INFO L421 ceAbstractionStarter]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:47,813 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3 .cse2) (and .cse5 .cse4 .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse6 .cse2))) [2018-11-18 11:09:47,814 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-18 11:09:47,814 INFO L421 ceAbstractionStarter]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse4 .cse5 .cse3) (and .cse7 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3))) [2018-11-18 11:09:47,814 INFO L425 ceAbstractionStarter]: For program point L197(lines 196 245) no Hoare annotation was computed. [2018-11-18 11:09:47,814 INFO L421 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse5 .cse2))) [2018-11-18 11:09:47,814 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 241) no Hoare annotation was computed. [2018-11-18 11:09:47,814 INFO L421 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:47,814 INFO L425 ceAbstractionStarter]: For program point L216(lines 216 222) no Hoare annotation was computed. [2018-11-18 11:09:47,814 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2018-11-18 11:09:47,814 INFO L421 ceAbstractionStarter]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse6 (= ~systemActive~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse2 .cse5 .cse3) (and .cse6 .cse7 .cse1 .cse5 .cse3) (and .cse7 .cse1 .cse2 .cse5 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse7 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse7 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:47,815 INFO L421 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse6 (= ~systemActive~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse0 .cse3 .cse4))) [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L196-1(lines 196 245) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L421 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse4 (not .cse9)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (or .cse2 .cse3 .cse7) (or .cse8 .cse1 .cse9 .cse0 .cse3 .cse5) (or .cse6 (or .cse2 .cse7)) (or .cse8 .cse3 .cse7)))) [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-18 11:09:47,815 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L421 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse7 (not .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 .cse2) (or .cse2 .cse8 .cse5 .cse1 .cse7 .cse3) (or .cse2 .cse8 .cse5 .cse6 .cse7 .cse3) (or .cse2 .cse5 .cse1 .cse7 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse1 .cse3)))) [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse7 (not .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 .cse2) (or .cse2 .cse8 .cse5 .cse1 .cse7 .cse3) (or .cse2 .cse8 .cse5 .cse6 .cse7 .cse3) (or .cse2 .cse5 .cse1 .cse7 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse1 .cse3)))) [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (or .cse1 .cse3)) (or .cse1 .cse3 .cse4) (or .cse2 (or .cse1 .cse4)) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse3 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-18 11:09:47,816 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:47,816 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L428 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse0 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (< ~pumpRunning~0 1)) (.cse7 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse1 .cse5 .cse7 .cse4 .cse6) (or .cse8 .cse0 .cse3 .cse7) (or .cse0 .cse1 .cse7 .cse3 .cse4) (or .cse8 .cse7 .cse5 .cse4 .cse6))) [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2018-11-18 11:09:47,817 INFO L425 ceAbstractionStarter]: For program point L849(lines 849 853) no Hoare annotation was computed. [2018-11-18 11:09:47,818 INFO L428 ceAbstractionStarter]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2018-11-18 11:09:47,818 INFO L425 ceAbstractionStarter]: For program point L845-1(lines 845 859) no Hoare annotation was computed. [2018-11-18 11:09:47,818 INFO L428 ceAbstractionStarter]: At program point L845-3(lines 845 859) the Hoare annotation is: true [2018-11-18 11:09:47,818 INFO L428 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-18 11:09:47,818 INFO L425 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-18 11:09:47,818 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2018-11-18 11:09:47,818 INFO L428 ceAbstractionStarter]: At program point L860(lines 835 864) the Hoare annotation is: true [2018-11-18 11:09:47,818 INFO L425 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-18 11:09:47,818 INFO L425 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2018-11-18 11:09:47,818 INFO L421 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (not (= ~systemActive~0 0))) (.cse13 (and (= 0 ~pumpRunning~0) .cse7)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse11 (= 1 ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse12 (not .cse8)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse4 .cse8 .cse0 .cse5 .cse6 .cse9) (or .cse10 (or .cse3 .cse4 .cse5)) (or .cse11 .cse0 .cse5 .cse12 .cse6 .cse2) (or .cse4 .cse0 .cse5 .cse13 .cse6) (or .cse4 .cse0 .cse1) (or .cse0 .cse13 .cse5 .cse6 .cse2) (or (or .cse3 .cse5 .cse2) .cse10) (or (or .cse3 .cse5 .cse6 .cse2) .cse7) (or .cse8 .cse0 .cse5 .cse6 .cse2 .cse9) (or .cse11 .cse4 .cse0 .cse5 .cse12 .cse6)))) [2018-11-18 11:09:47,819 INFO L421 ceAbstractionStarter]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse17 (= ~systemActive~0 1))) (let ((.cse11 (< |old(~pumpRunning~0)| 1)) (.cse10 (and (= 0 ~methaneLevelCritical~0) .cse13 .cse17)) (.cse16 (and .cse12 .cse0 .cse15)) (.cse14 (and .cse13 (<= 1 ~methaneLevelCritical~0) .cse17)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= 1 ~waterLevel~0) .cse15)) (.cse3 (not .cse17)) (.cse9 (not .cse1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2 .cse8 .cse9 .cse4) (or .cse2 .cse8 .cse9 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse9 .cse4) (or .cse10 (or .cse11 .cse3 .cse5) .cse12) (or .cse1 .cse2 .cse8 .cse0 .cse5) (or .cse13 .cse7 .cse2 .cse8) (or (or .cse11 .cse7 .cse3) .cse14) (or (or .cse11 .cse3 .cse4 .cse5) .cse10 .cse15) (or .cse2 .cse16 .cse3 .cse10 .cse4 .cse5) (or .cse7 .cse2 .cse16 .cse3 .cse4 .cse14) (or .cse7 .cse1 .cse2 .cse8 .cse0) (or .cse6 .cse2 .cse3 .cse9 .cse4 .cse5) (or .cse13 .cse2 .cse8 .cse5)))) [2018-11-18 11:09:47,819 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| 1)) (.cse14 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0))) (let ((.cse10 (and .cse14 .cse0)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse13 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse9 (not .cse12)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse6 .cse7 .cse3) .cse0) (or .cse8 .cse1 .cse7 .cse9 .cse3 .cse4) (or .cse6 .cse1 .cse7 .cse10 .cse3) (or .cse1 .cse2 .cse9 .cse3 .cse4 .cse8) (or .cse1 .cse10 .cse7 .cse3 .cse4) (or (or .cse5 .cse7 .cse4) .cse11) (or (or .cse5 .cse7 .cse3 .cse4) .cse0) (or .cse12 .cse1 .cse2 .cse13 .cse4) (or .cse14 .cse6 .cse1 .cse2) (or .cse6 .cse12 .cse1 .cse7 .cse3 .cse13) (or .cse11 (or .cse5 .cse6 .cse7)) (or .cse6 .cse1 .cse2 .cse0 .cse3) (or .cse6 .cse12 .cse1 .cse2 .cse13) (or .cse12 .cse1 .cse7 .cse3 .cse4 .cse13) (or .cse8 .cse6 .cse1 .cse7 .cse9 .cse3) (or .cse8 .cse6 .cse1 .cse2 .cse9 .cse3) (or .cse14 .cse1 .cse2 .cse4)))) [2018-11-18 11:09:47,819 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or (or .cse5 .cse6 .cse1 .cse2) .cse7) (or .cse8 (or .cse5 .cse6 .cse1)) (or .cse6 .cse0 .cse4) (or .cse6 .cse0 .cse1 .cse2) (or (or .cse5 .cse1 .cse3) .cse8) (or (or .cse5 .cse1 .cse2 .cse3) .cse7))) [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point L265(lines 264 283) no Hoare annotation was computed. [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2018-11-18 11:09:47,819 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 11:09:47,819 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: true [2018-11-18 11:09:47,819 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 11:09:47,820 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4 (<= 1 ~pumpRunning~0)))) [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3 (<= 1 ~pumpRunning~0)))) [2018-11-18 11:09:47,820 INFO L425 ceAbstractionStarter]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2018-11-18 11:09:47,820 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse2 .cse3 .cse0 .cse4))) [2018-11-18 11:09:47,821 INFO L421 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse4))) [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 309) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L421 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or .cse2 (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse4 .cse1))) [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 314) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3))) [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2018-11-18 11:09:47,821 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~waterLevel~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse1 .cse7 .cse3 .cse4 .cse5 .cse0) (or .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2018-11-18 11:09:47,821 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2018-11-18 11:09:47,822 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2018-11-18 11:09:47,822 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2018-11-18 11:09:47,822 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2018-11-18 11:09:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:09:47 BoogieIcfgContainer [2018-11-18 11:09:47,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:09:47,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:09:47,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:09:47,835 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:09:47,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:36" (3/4) ... [2018-11-18 11:09:47,838 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:09:47,843 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:09:47,844 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:09:47,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:47,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:09:47,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:09:47,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:09:47,851 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 11:09:47,851 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:09:47,852 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:09:47,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:09:47,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:09:47,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_00b208a3-9c66-4187-b596-d19ce2aaddb5/bin-2019/utaipan/witness.graphml [2018-11-18 11:09:47,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:09:47,907 INFO L168 Benchmark]: Toolchain (without parser) took 11998.01 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 670.6 MB). Free memory was 956.4 MB in the beginning and 968.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 658.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,908 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:09:47,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.40 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 11:09:47,908 INFO L168 Benchmark]: Boogie Preprocessor took 32.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,909 INFO L168 Benchmark]: RCFGBuilder took 524.47 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,909 INFO L168 Benchmark]: TraceAbstraction took 10944.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 529.5 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 93.7 MB). Peak memory consumption was 628.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,909 INFO L168 Benchmark]: Witness Printer took 71.99 ms. Allocated memory is still 1.7 GB. Free memory was 969.4 MB in the beginning and 968.7 MB in the end (delta: 662.9 kB). Peak memory consumption was 662.9 kB. Max. memory is 11.5 GB. [2018-11-18 11:09:47,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.40 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 32.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 524.47 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10944.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 529.5 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 93.7 MB). Peak memory consumption was 628.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.99 ms. Allocated memory is still 1.7 GB. Free memory was 969.4 MB in the beginning and 968.7 MB in the end (delta: 662.9 kB). Peak memory consumption was 662.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2234 SDtfs, 1002 SDslu, 4491 SDs, 0 SdLazy, 802 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 636 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2409occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 251 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4316 PreInvPairs, 4478 NumberOfFragments, 3796 HoareAnnotationTreeSize, 4316 FomulaSimplifications, 3462 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 11488 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 330308 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1644 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 337/353 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...