./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/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 edf277e8e45bc51905c3746c53b47e5f504df38a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:40:03,840 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:40:03,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:40:03,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:40:03,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:40:03,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:40:03,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:40:03,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:40:03,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:40:03,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:40:03,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:40:03,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:40:03,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:40:03,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:40:03,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:40:03,853 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:40:03,854 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:40:03,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:40:03,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:40:03,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:40:03,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:40:03,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:40:03,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:40:03,859 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:40:03,859 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:40:03,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:40:03,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:40:03,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:40:03,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:40:03,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:40:03,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:40:03,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:40:03,862 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:40:03,862 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:40:03,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:40:03,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:40:03,863 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:40:03,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:40:03,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:40:03,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:40:03,871 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:40:03,871 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:40:03,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:40:03,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:40:03,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:03,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:40:03,873 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:40:03,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:40:03,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:40:03,874 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:40:03,874 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_4fd5144a-602e-45bd-a681-cdea7da1dd34/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-12-09 18:40:03,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:40:03,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:40:03,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:40:03,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:40:03,904 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:40:03,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:03,940 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/data/e826b7ef2/3e416cd567074ea18f154bf1a50c985e/FLAG07578c690 [2018-12-09 18:40:04,250 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:40:04,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:04,256 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/data/e826b7ef2/3e416cd567074ea18f154bf1a50c985e/FLAG07578c690 [2018-12-09 18:40:04,264 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/data/e826b7ef2/3e416cd567074ea18f154bf1a50c985e [2018-12-09 18:40:04,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:40:04,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:40:04,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:04,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:40:04,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:40:04,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396438e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04, skipping insertion in model container [2018-12-09 18:40:04,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:40:04,294 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:40:04,440 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:04,485 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:40:04,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:04,544 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:40:04,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04 WrapperNode [2018-12-09 18:40:04,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:04,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:04,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:40:04,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:40:04,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:04,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:40:04,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:40:04,565 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:40:04,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... [2018-12-09 18:40:04,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:40:04,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:40:04,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:40:04,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:40:04,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 18:40:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:40:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 18:40:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 18:40:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 18:40:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 18:40:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 18:40:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 18:40:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 18:40:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 18:40:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 18:40:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 18:40:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 18:40:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 18:40:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 18:40:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 18:40:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 18:40:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 18:40:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:40:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 18:40:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 18:40:04,916 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:40:04,917 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 18:40:04,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:04 BoogieIcfgContainer [2018-12-09 18:40:04,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:40:04,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:40:04,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:40:04,920 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:40:04,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:40:04" (1/3) ... [2018-12-09 18:40:04,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57067c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:04, skipping insertion in model container [2018-12-09 18:40:04,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:04" (2/3) ... [2018-12-09 18:40:04,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57067c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:04, skipping insertion in model container [2018-12-09 18:40:04,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:04" (3/3) ... [2018-12-09 18:40:04,922 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:04,928 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:40:04,933 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:40:04,943 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:40:04,963 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:40:04,963 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:40:04,963 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:40:04,963 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:40:04,963 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:40:04,963 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:40:04,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:40:04,963 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:40:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-09 18:40:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 18:40:04,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:04,982 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:04,983 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:04,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:04,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-12-09 18:40:04,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:05,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:05,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:05,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:05,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:40:05,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:05,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:40:05,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:40:05,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:40:05,141 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-09 18:40:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:05,165 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-09 18:40:05,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:40:05,166 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 18:40:05,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:05,174 INFO L225 Difference]: With dead ends: 280 [2018-12-09 18:40:05,174 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 18:40:05,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:40:05,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 18:40:05,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 18:40:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 18:40:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-12-09 18:40:05,208 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-12-09 18:40:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:05,209 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-12-09 18:40:05,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:40:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-12-09 18:40:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 18:40:05,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:05,211 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:05,211 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:05,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:05,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-12-09 18:40:05,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:05,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:05,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:05,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:05,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:40:05,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:05,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:40:05,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:40:05,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:05,266 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-12-09 18:40:05,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:05,279 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-12-09 18:40:05,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:40:05,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 18:40:05,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:05,281 INFO L225 Difference]: With dead ends: 229 [2018-12-09 18:40:05,281 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 18:40:05,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:05,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 18:40:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 18:40:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 18:40:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-09 18:40:05,290 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-12-09 18:40:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:05,290 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-09 18:40:05,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:40:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-09 18:40:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 18:40:05,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:05,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:05,291 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:05,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:05,292 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-12-09 18:40:05,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:05,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:05,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:05,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:05,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:40:05,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:05,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:40:05,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:40:05,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:05,367 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-12-09 18:40:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:05,517 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-09 18:40:05,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:05,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 18:40:05,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:05,519 INFO L225 Difference]: With dead ends: 238 [2018-12-09 18:40:05,519 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 18:40:05,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 18:40:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 18:40:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 18:40:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-12-09 18:40:05,527 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-12-09 18:40:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:05,528 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-12-09 18:40:05,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:40:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-12-09 18:40:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 18:40:05,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:05,529 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:05,529 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:05,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:05,530 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-12-09 18:40:05,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:05,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:05,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:05,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:05,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:40:05,581 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:05,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:40:05,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:40:05,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:40:05,582 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-12-09 18:40:05,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:05,844 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-12-09 18:40:05,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:05,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-09 18:40:05,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:05,847 INFO L225 Difference]: With dead ends: 334 [2018-12-09 18:40:05,847 INFO L226 Difference]: Without dead ends: 227 [2018-12-09 18:40:05,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-09 18:40:05,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-09 18:40:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-09 18:40:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-09 18:40:05,865 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-12-09 18:40:05,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:05,865 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-09 18:40:05,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:40:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-09 18:40:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 18:40:05,867 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:05,867 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:05,867 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:05,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:05,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-12-09 18:40:05,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:05,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:05,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:05,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:05,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:05,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:05,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:05,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:05,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:05,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:05,923 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-09 18:40:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:06,036 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-12-09 18:40:06,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:40:06,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-09 18:40:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:06,040 INFO L225 Difference]: With dead ends: 564 [2018-12-09 18:40:06,040 INFO L226 Difference]: Without dead ends: 379 [2018-12-09 18:40:06,041 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:40:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-09 18:40:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-12-09 18:40:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-09 18:40:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-12-09 18:40:06,071 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-12-09 18:40:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:06,071 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-12-09 18:40:06,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-12-09 18:40:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 18:40:06,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:06,073 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:06,073 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:06,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:06,074 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-12-09 18:40:06,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:06,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:06,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:06,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:06,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:40:06,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:06,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:40:06,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:40:06,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:06,157 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-12-09 18:40:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:06,455 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-12-09 18:40:06,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:40:06,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-09 18:40:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:06,457 INFO L225 Difference]: With dead ends: 406 [2018-12-09 18:40:06,457 INFO L226 Difference]: Without dead ends: 403 [2018-12-09 18:40:06,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:40:06,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-09 18:40:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-12-09 18:40:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-09 18:40:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-12-09 18:40:06,471 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-12-09 18:40:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:06,472 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-12-09 18:40:06,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:40:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-12-09 18:40:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 18:40:06,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:06,473 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:06,473 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:06,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:06,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-12-09 18:40:06,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:06,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:06,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:06,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:06,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:06,512 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:06,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:06,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:06,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:06,512 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-12-09 18:40:06,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:06,548 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-12-09 18:40:06,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:06,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-09 18:40:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:06,550 INFO L225 Difference]: With dead ends: 736 [2018-12-09 18:40:06,550 INFO L226 Difference]: Without dead ends: 387 [2018-12-09 18:40:06,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:06,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-12-09 18:40:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-12-09 18:40:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-12-09 18:40:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-12-09 18:40:06,570 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-12-09 18:40:06,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:06,571 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-12-09 18:40:06,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-12-09 18:40:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 18:40:06,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:06,572 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:06,573 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:06,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:06,573 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-12-09 18:40:06,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:06,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:06,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:06,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:06,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 18:40:06,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:06,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 18:40:06,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 18:40:06,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:06,641 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-12-09 18:40:06,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:06,665 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-12-09 18:40:06,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:40:06,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-09 18:40:06,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:06,667 INFO L225 Difference]: With dead ends: 756 [2018-12-09 18:40:06,667 INFO L226 Difference]: Without dead ends: 397 [2018-12-09 18:40:06,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:06,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-09 18:40:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-12-09 18:40:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-12-09 18:40:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-12-09 18:40:06,680 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-12-09 18:40:06,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:06,680 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-12-09 18:40:06,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 18:40:06,680 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-12-09 18:40:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 18:40:06,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:06,681 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:06,681 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:06,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:06,682 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-12-09 18:40:06,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:06,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:06,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:06,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:06,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:40:06,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:06,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:40:06,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:40:06,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:40:06,743 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-12-09 18:40:06,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:06,855 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-12-09 18:40:06,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:40:06,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-09 18:40:06,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:06,858 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 18:40:06,858 INFO L226 Difference]: Without dead ends: 786 [2018-12-09 18:40:06,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:40:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-12-09 18:40:06,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-12-09 18:40:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 18:40:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-12-09 18:40:06,882 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-12-09 18:40:06,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:06,882 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-12-09 18:40:06,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:40:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-12-09 18:40:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 18:40:06,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:06,883 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:06,883 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:06,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:06,884 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-12-09 18:40:06,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:06,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:06,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:06,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 18:40:06,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:06,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:06,966 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-09 18:40:06,967 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [44], [45], [46], [61], [64], [66], [75], [79], [83], [86], [91], [94], [99], [102], [117], [118], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [183], [187], [194], [195], [203], [207], [210], [212], [215], [225], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [267], [269], [270], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [290], [291], [292], [299], [300], [301], [303], [304], [305], [307], [308], [309], [310], [315], [316], [317], [318], [319] [2018-12-09 18:40:06,991 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:06,991 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:07,254 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:40:07,256 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 18:40:07,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:07,260 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:40:07,438 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.31% of their original sizes. [2018-12-09 18:40:07,438 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:40:07,508 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-09 18:40:07,508 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:40:07,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:40:07,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-12-09 18:40:07,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:07,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 18:40:07,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 18:40:07,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:40:07,509 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 15 states. [2018-12-09 18:40:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:10,241 INFO L93 Difference]: Finished difference Result 1705 states and 2017 transitions. [2018-12-09 18:40:10,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 18:40:10,242 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 102 [2018-12-09 18:40:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:10,244 INFO L225 Difference]: With dead ends: 1705 [2018-12-09 18:40:10,244 INFO L226 Difference]: Without dead ends: 958 [2018-12-09 18:40:10,245 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-12-09 18:40:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2018-12-09 18:40:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 954. [2018-12-09 18:40:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2018-12-09 18:40:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1091 transitions. [2018-12-09 18:40:10,271 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1091 transitions. Word has length 102 [2018-12-09 18:40:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:10,272 INFO L480 AbstractCegarLoop]: Abstraction has 954 states and 1091 transitions. [2018-12-09 18:40:10,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 18:40:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1091 transitions. [2018-12-09 18:40:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 18:40:10,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:10,274 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:10,274 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:10,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:10,274 INFO L82 PathProgramCache]: Analyzing trace with hash -261242511, now seen corresponding path program 1 times [2018-12-09 18:40:10,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:10,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:10,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:10,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:10,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 18:40:10,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:10,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:10,314 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-09 18:40:10,314 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-12-09 18:40:10,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:10,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:11,346 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:40:11,346 INFO L272 AbstractInterpreter]: Visited 131 different actions 672 times. Merged at 19 different actions 53 times. Never widened. Performed 33489 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33489 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-09 18:40:11,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:11,364 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:40:11,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:11,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:40:11,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:11,370 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:40:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:11,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:40:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:11,481 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:40:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 18:40:11,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 18:40:11,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 18:40:11,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:11,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:40:11,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:40:11,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:11,652 INFO L87 Difference]: Start difference. First operand 954 states and 1091 transitions. Second operand 5 states. [2018-12-09 18:40:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:11,972 INFO L93 Difference]: Finished difference Result 1805 states and 2179 transitions. [2018-12-09 18:40:11,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:11,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-12-09 18:40:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:11,977 INFO L225 Difference]: With dead ends: 1805 [2018-12-09 18:40:11,977 INFO L226 Difference]: Without dead ends: 1206 [2018-12-09 18:40:11,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:11,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2018-12-09 18:40:12,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1104. [2018-12-09 18:40:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2018-12-09 18:40:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1285 transitions. [2018-12-09 18:40:12,020 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1285 transitions. Word has length 159 [2018-12-09 18:40:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:12,020 INFO L480 AbstractCegarLoop]: Abstraction has 1104 states and 1285 transitions. [2018-12-09 18:40:12,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:40:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1285 transitions. [2018-12-09 18:40:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 18:40:12,022 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:12,022 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:12,022 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:12,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-12-09 18:40:12,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:12,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:12,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:12,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:12,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 18:40:12,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:12,102 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:12,102 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 18:40:12,102 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-12-09 18:40:12,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:12,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:13,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:40:13,195 INFO L272 AbstractInterpreter]: Visited 132 different actions 898 times. Merged at 17 different actions 64 times. Never widened. Performed 37132 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 132 variables. [2018-12-09 18:40:13,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:13,198 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:40:13,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:13,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:40:13,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:13,205 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:40:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:13,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:40:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:13,364 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:40:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 18:40:13,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 18:40:13,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 18:40:13,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:13,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:40:13,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:40:13,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 18:40:13,586 INFO L87 Difference]: Start difference. First operand 1104 states and 1285 transitions. Second operand 9 states. [2018-12-09 18:40:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:14,151 INFO L93 Difference]: Finished difference Result 2399 states and 3053 transitions. [2018-12-09 18:40:14,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 18:40:14,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-09 18:40:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:14,156 INFO L225 Difference]: With dead ends: 2399 [2018-12-09 18:40:14,156 INFO L226 Difference]: Without dead ends: 1656 [2018-12-09 18:40:14,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 18:40:14,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2018-12-09 18:40:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1376. [2018-12-09 18:40:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2018-12-09 18:40:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1612 transitions. [2018-12-09 18:40:14,203 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1612 transitions. Word has length 155 [2018-12-09 18:40:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:14,203 INFO L480 AbstractCegarLoop]: Abstraction has 1376 states and 1612 transitions. [2018-12-09 18:40:14,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:40:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1612 transitions. [2018-12-09 18:40:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 18:40:14,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:14,206 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:14,206 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:14,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:14,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-12-09 18:40:14,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:14,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:14,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:14,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:14,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 18:40:14,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:14,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 18:40:14,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:14,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:40:14,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:40:14,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:40:14,279 INFO L87 Difference]: Start difference. First operand 1376 states and 1612 transitions. Second operand 9 states. [2018-12-09 18:40:14,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:14,319 INFO L93 Difference]: Finished difference Result 1764 states and 2065 transitions. [2018-12-09 18:40:14,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:40:14,319 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-09 18:40:14,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:14,320 INFO L225 Difference]: With dead ends: 1764 [2018-12-09 18:40:14,320 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:40:14,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:14,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:40:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:40:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:40:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:40:14,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-09 18:40:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:14,323 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:40:14,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:40:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:40:14,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:40:14,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:40:14,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:15,118 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2018-12-09 18:40:15,397 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-12-09 18:40:16,074 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2018-12-09 18:40:16,246 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-12-09 18:40:16,621 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,621 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-12-09 18:40:16,621 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,622 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,622 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-12-09 18:40:16,622 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-12-09 18:40:16,622 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-12-09 18:40:16,623 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3))) [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-12-09 18:40:16,623 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,623 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 18:40:16,623 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,623 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse3))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2018-12-09 18:40:16,624 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 18:40:16,624 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-12-09 18:40:16,625 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 18:40:16,626 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-09 18:40:16,626 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-12-09 18:40:16,626 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-12-09 18:40:16,627 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-12-09 18:40:16,627 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-12-09 18:40:16,627 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-12-09 18:40:16,627 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-12-09 18:40:16,628 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or .cse6 .cse11 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) .cse11 (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4))))) [2018-12-09 18:40:16,628 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse12 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (or .cse0 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse6 .cse3) (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or .cse7 (and .cse9 .cse10) (or .cse11 .cse4 .cse8)) (or .cse1 .cse2 .cse4 .cse5 .cse8) (or (and .cse9 .cse6) (or .cse0 .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10))))) [2018-12-09 18:40:16,628 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-12-09 18:40:16,628 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-12-09 18:40:16,628 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-12-09 18:40:16,628 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-12-09 18:40:16,628 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:40:16,629 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 18:40:16,629 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:40:16,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:40:16,630 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 18:40:16,630 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-12-09 18:40:16,630 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,630 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-12-09 18:40:16,630 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse4 .cse5) (or (or .cse1 .cse6 .cse2 .cse5) .cse3) (or .cse3 (or .cse0 .cse1 .cse6 .cse2)))) [2018-12-09 18:40:16,630 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-09 18:40:16,630 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-12-09 18:40:16,630 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 18:40:16,630 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-12-09 18:40:16,631 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-09 18:40:16,631 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 18:40:16,631 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-09 18:40:16,632 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-09 18:40:16,632 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-09 18:40:16,632 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-09 18:40:16,632 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-09 18:40:16,632 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-09 18:40:16,632 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-09 18:40:16,632 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-09 18:40:16,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:40:16 BoogieIcfgContainer [2018-12-09 18:40:16,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:40:16,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:40:16,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:40:16,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:40:16,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:04" (3/4) ... [2018-12-09 18:40:16,644 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 18:40:16,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 18:40:16,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:16,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 18:40:16,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 18:40:16,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 18:40:16,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 18:40:16,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 18:40:16,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 18:40:16,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 18:40:16,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:40:16,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:40:16,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 18:40:16,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 18:40:16,699 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4fd5144a-602e-45bd-a681-cdea7da1dd34/bin-2019/utaipan/witness.graphml [2018-12-09 18:40:16,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:40:16,700 INFO L168 Benchmark]: Toolchain (without parser) took 12434.21 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 709.4 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -215.6 MB). Peak memory consumption was 493.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:16,700 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: Boogie Preprocessor took 23.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: RCFGBuilder took 327.74 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: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: TraceAbstraction took 11722.66 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 566.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.5 MB). Peak memory consumption was 878.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:16,701 INFO L168 Benchmark]: Witness Printer took 59.05 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 182.7 kB). Peak memory consumption was 182.7 kB. Max. memory is 11.5 GB. [2018-12-09 18:40:16,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.24 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 23.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 327.74 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: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11722.66 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 566.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.5 MB). Peak memory consumption was 878.4 MB. Max. memory is 11.5 GB. * Witness Printer took 59.05 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 182.7 kB). Peak memory consumption was 182.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2396 SDtfs, 1689 SDslu, 6702 SDs, 0 SdLazy, 3447 SolverSat, 597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 867 GetRequests, 754 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968269290382836 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 465 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2273 PreInvPairs, 2365 NumberOfFragments, 2083 HoareAnnotationTreeSize, 2273 FomulaSimplifications, 10889 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 12146 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 367759 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1727 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 244/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...