./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_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_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:24:36,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:24:36,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:24:36,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:24:36,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:24:36,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:24:36,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:24:36,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:24:36,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:24:36,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:24:36,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:24:36,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:24:36,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:24:36,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:24:36,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:24:36,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:24:36,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:24:36,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:24:36,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:24:36,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:24:36,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:24:36,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:24:36,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:24:36,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:24:36,685 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:24:36,686 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:24:36,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:24:36,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:24:36,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:24:36,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:24:36,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:24:36,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:24:36,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:24:36,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:24:36,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:24:36,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:24:36,690 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 14:24:36,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:24:36,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:24:36,698 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:24:36,698 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:24:36,698 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 14:24:36,698 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 14:24:36,698 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 14:24:36,698 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 14:24:36,699 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 14:24:36,699 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 14:24:36,699 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 14:24:36,699 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 14:24:36,699 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 14:24:36,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:24:36,700 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:24:36,701 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:24:36,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:24:36,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:24:36,702 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 14:24:36,702 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_9f4fa8e8-3385-4fd2-94b3-048a692072f7/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-12-08 14:24:36,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:24:36,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:24:36,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:24:36,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:24:36,734 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:24:36,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 14:24:36,776 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/data/48e001a84/343f2e22ffe84832955953a837a89d6e/FLAG7847db51d [2018-12-08 14:24:37,140 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:24:37,140 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 14:24:37,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/data/48e001a84/343f2e22ffe84832955953a837a89d6e/FLAG7847db51d [2018-12-08 14:24:37,511 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/data/48e001a84/343f2e22ffe84832955953a837a89d6e [2018-12-08 14:24:37,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:24:37,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:24:37,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:24:37,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:24:37,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:24:37,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37, skipping insertion in model container [2018-12-08 14:24:37,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:24:37,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:24:37,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:24:37,699 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:24:37,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:24:37,794 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:24:37,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37 WrapperNode [2018-12-08 14:24:37,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:24:37,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:24:37,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:24:37,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:24:37,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:24:37,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:24:37,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:24:37,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:24:37,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... [2018-12-08 14:24:37,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:24:37,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:24:37,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:24:37,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:24:37,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/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 [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 14:24:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:24:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 14:24:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 14:24:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 14:24:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 14:24:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:24:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:24:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:24:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 14:24:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 14:24:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 14:24:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 14:24:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 14:24:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:24:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:24:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:24:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:24:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:24:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:24:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:24:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 14:24:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 14:24:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:24:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:24:38,189 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:24:38,189 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 14:24:38,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:24:38 BoogieIcfgContainer [2018-12-08 14:24:38,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:24:38,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:24:38,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:24:38,193 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:24:38,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:24:37" (1/3) ... [2018-12-08 14:24:38,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214e1a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:24:38, skipping insertion in model container [2018-12-08 14:24:38,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:24:37" (2/3) ... [2018-12-08 14:24:38,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214e1a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:24:38, skipping insertion in model container [2018-12-08 14:24:38,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:24:38" (3/3) ... [2018-12-08 14:24:38,196 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 14:24:38,202 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:24:38,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:24:38,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:24:38,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:24:38,238 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:24:38,238 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:24:38,238 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:24:38,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:24:38,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:24:38,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:24:38,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:24:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-08 14:24:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:24:38,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:38,260 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] [2018-12-08 14:24:38,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:38,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:38,265 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-12-08 14:24:38,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:38,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:38,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,295 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:38,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:38,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:24:38,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:38,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:24:38,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:24:38,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:24:38,423 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-08 14:24:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:38,445 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-12-08 14:24:38,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:24:38,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 14:24:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:38,452 INFO L225 Difference]: With dead ends: 260 [2018-12-08 14:24:38,452 INFO L226 Difference]: Without dead ends: 132 [2018-12-08 14:24:38,455 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 [2018-12-08 14:24:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-08 14:24:38,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-08 14:24:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-08 14:24:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-08 14:24:38,485 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-12-08 14:24:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:38,486 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-08 14:24:38,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:24:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-08 14:24:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:24:38,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:38,488 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:38,488 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:38,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:38,488 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-12-08 14:24:38,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:38,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:38,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,489 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:38,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:38,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:24:38,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:38,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:24:38,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:24:38,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:24:38,537 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-08 14:24:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:38,550 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-12-08 14:24:38,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:24:38,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 14:24:38,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:38,551 INFO L225 Difference]: With dead ends: 205 [2018-12-08 14:24:38,551 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 14:24:38,552 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 [2018-12-08 14:24:38,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 14:24:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 14:24:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 14:24:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-08 14:24:38,559 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-12-08 14:24:38,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:38,559 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-08 14:24:38,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:24:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-08 14:24:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:24:38,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:38,560 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] [2018-12-08 14:24:38,560 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:38,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:38,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-12-08 14:24:38,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:38,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:38,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:38,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:38,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:24:38,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:38,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:24:38,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:24:38,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:24:38,632 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-08 14:24:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:38,804 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-12-08 14:24:38,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:24:38,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 14:24:38,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:38,805 INFO L225 Difference]: With dead ends: 218 [2018-12-08 14:24:38,805 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 14:24:38,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:24:38,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 14:24:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 14:24:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 14:24:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-08 14:24:38,813 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-12-08 14:24:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:38,813 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-08 14:24:38,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:24:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-08 14:24:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 14:24:38,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:38,814 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] [2018-12-08 14:24:38,814 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:38,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:38,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-12-08 14:24:38,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:38,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:38,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:38,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:38,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:38,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:24:38,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:38,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:24:38,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:24:38,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:24:38,878 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-12-08 14:24:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:39,151 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-12-08 14:24:39,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:24:39,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 14:24:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:39,153 INFO L225 Difference]: With dead ends: 319 [2018-12-08 14:24:39,153 INFO L226 Difference]: Without dead ends: 224 [2018-12-08 14:24:39,154 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 [2018-12-08 14:24:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-08 14:24:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-12-08 14:24:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-08 14:24:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-12-08 14:24:39,169 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-12-08 14:24:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:39,169 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-12-08 14:24:39,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:24:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-12-08 14:24:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 14:24:39,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:39,171 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:39,171 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:39,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:39,171 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-12-08 14:24:39,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:39,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:39,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:39,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:39,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:24:39,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:39,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:24:39,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:24:39,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:24:39,234 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-12-08 14:24:39,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:39,363 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-12-08 14:24:39,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:24:39,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 14:24:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:39,365 INFO L225 Difference]: With dead ends: 541 [2018-12-08 14:24:39,365 INFO L226 Difference]: Without dead ends: 364 [2018-12-08 14:24:39,366 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 [2018-12-08 14:24:39,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-08 14:24:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-12-08 14:24:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-12-08 14:24:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-12-08 14:24:39,393 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-12-08 14:24:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:39,393 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-12-08 14:24:39,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:24:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-12-08 14:24:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 14:24:39,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:39,394 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:39,394 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:39,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:39,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-12-08 14:24:39,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:39,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:39,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:39,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:39,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:24:39,501 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:39,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:24:39,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:24:39,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:24:39,502 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-12-08 14:24:39,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:39,817 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-12-08 14:24:39,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 14:24:39,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-08 14:24:39,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:39,819 INFO L225 Difference]: With dead ends: 719 [2018-12-08 14:24:39,819 INFO L226 Difference]: Without dead ends: 389 [2018-12-08 14:24:39,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 14:24:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-12-08 14:24:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-12-08 14:24:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-12-08 14:24:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-12-08 14:24:39,834 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-12-08 14:24:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:39,834 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-12-08 14:24:39,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:24:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-12-08 14:24:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 14:24:39,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:39,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:39,835 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:39,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-12-08 14:24:39,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:39,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:39,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:39,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:39,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:24:39,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:39,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:24:39,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:24:39,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:24:39,874 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-12-08 14:24:39,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:39,895 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-12-08 14:24:39,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:24:39,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-08 14:24:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:39,897 INFO L225 Difference]: With dead ends: 696 [2018-12-08 14:24:39,897 INFO L226 Difference]: Without dead ends: 367 [2018-12-08 14:24:39,898 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 [2018-12-08 14:24:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-12-08 14:24:39,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-12-08 14:24:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-08 14:24:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-08 14:24:39,909 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-12-08 14:24:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:39,909 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-08 14:24:39,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:24:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-08 14:24:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 14:24:39,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:39,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:39,910 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:39,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:39,910 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-12-08 14:24:39,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:39,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:39,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:39,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:39,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 14:24:39,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:39,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 14:24:39,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 14:24:39,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:24:39,955 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-12-08 14:24:39,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:39,976 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-12-08 14:24:39,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:24:39,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-08 14:24:39,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:39,977 INFO L225 Difference]: With dead ends: 720 [2018-12-08 14:24:39,977 INFO L226 Difference]: Without dead ends: 381 [2018-12-08 14:24:39,978 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 [2018-12-08 14:24:39,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-08 14:24:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-08 14:24:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-08 14:24:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-12-08 14:24:39,989 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-12-08 14:24:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:39,989 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-12-08 14:24:39,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 14:24:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-12-08 14:24:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 14:24:39,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:39,990 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:39,990 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:39,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:39,990 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-12-08 14:24:39,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:39,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:39,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:39,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:40,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:40,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:24:40,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:40,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:24:40,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:24:40,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:24:40,024 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-12-08 14:24:40,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:40,127 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-12-08 14:24:40,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:24:40,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-08 14:24:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:40,130 INFO L225 Difference]: With dead ends: 1132 [2018-12-08 14:24:40,130 INFO L226 Difference]: Without dead ends: 785 [2018-12-08 14:24:40,131 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 [2018-12-08 14:24:40,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-12-08 14:24:40,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-12-08 14:24:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-08 14:24:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-12-08 14:24:40,151 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-12-08 14:24:40,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:40,152 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-12-08 14:24:40,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:24:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-12-08 14:24:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 14:24:40,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:40,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:40,153 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:40,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:40,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-12-08 14:24:40,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:40,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:40,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:40,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:40,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:40,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:24:40,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:24:40,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:40,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:24:40,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:24:40,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:24:40,179 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-12-08 14:24:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:40,206 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-12-08 14:24:40,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:24:40,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-08 14:24:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:40,209 INFO L225 Difference]: With dead ends: 776 [2018-12-08 14:24:40,209 INFO L226 Difference]: Without dead ends: 773 [2018-12-08 14:24:40,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:24:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-08 14:24:40,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-12-08 14:24:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-12-08 14:24:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-12-08 14:24:40,232 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-12-08 14:24:40,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:40,232 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-12-08 14:24:40,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:24:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-12-08 14:24:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 14:24:40,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:40,234 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:40,234 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:40,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:40,235 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-12-08 14:24:40,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:40,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:40,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:40,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:40,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:24:40,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:24:40,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:24:40,354 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-08 14:24:40,355 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [185], [188], [192], [198], [199], [200], [203], [207], [208], [214], [217], [219], [222], [229], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [305], [306] [2018-12-08 14:24:40,384 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:24:40,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:24:41,609 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:24:41,609 INFO L272 AbstractInterpreter]: Visited 121 different actions 598 times. Merged at 18 different actions 55 times. Never widened. Performed 26215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 26215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-08 14:24:41,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:41,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:24:41,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:24:41,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/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 [2018-12-08 14:24:41,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:41,622 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:24:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:41,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:24:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:24:41,823 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:24:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:24:42,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:24:42,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-08 14:24:42,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:42,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 14:24:42,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 14:24:42,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 14:24:42,114 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 8 states. [2018-12-08 14:24:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:42,268 INFO L93 Difference]: Finished difference Result 1212 states and 1390 transitions. [2018-12-08 14:24:42,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:24:42,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-08 14:24:42,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:42,270 INFO L225 Difference]: With dead ends: 1212 [2018-12-08 14:24:42,270 INFO L226 Difference]: Without dead ends: 593 [2018-12-08 14:24:42,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 14:24:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-08 14:24:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 564. [2018-12-08 14:24:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-08 14:24:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 634 transitions. [2018-12-08 14:24:42,311 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 634 transitions. Word has length 152 [2018-12-08 14:24:42,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:42,311 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 634 transitions. [2018-12-08 14:24:42,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 14:24:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 634 transitions. [2018-12-08 14:24:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 14:24:42,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:24:42,312 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:24:42,312 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:24:42,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:42,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-12-08 14:24:42,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:24:42,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:42,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:42,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:24:42,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:24:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 14:24:42,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:24:42,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:24:42,369 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-08 14:24:42,369 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [188], [192], [198], [199], [200], [208], [214], [217], [219], [222], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-12-08 14:24:42,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:24:42,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:24:42,845 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:24:42,845 INFO L272 AbstractInterpreter]: Visited 100 different actions 341 times. Merged at 14 different actions 34 times. Never widened. Performed 15696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 135 variables. [2018-12-08 14:24:42,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:24:42,853 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:24:42,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:24:42,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/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 [2018-12-08 14:24:42,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:24:42,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:24:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:24:42,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:24:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:24:42,982 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:24:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 14:24:43,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 14:24:43,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-08 14:24:43,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:24:43,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:24:43,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:24:43,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:24:43,117 INFO L87 Difference]: Start difference. First operand 564 states and 634 transitions. Second operand 3 states. [2018-12-08 14:24:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:24:43,153 INFO L93 Difference]: Finished difference Result 909 states and 1031 transitions. [2018-12-08 14:24:43,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:24:43,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-12-08 14:24:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:24:43,154 INFO L225 Difference]: With dead ends: 909 [2018-12-08 14:24:43,154 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:24:43,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:24:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:24:43,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:24:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:24:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:24:43,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-08 14:24:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:24:43,156 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:24:43,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:24:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:24:43,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:24:43,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:24:43,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:24:43,576 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-08 14:24:45,066 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-08 14:24:45,618 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-12-08 14:24:45,618 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-12-08 14:24:45,618 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-08 14:24:45,618 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-12-08 14:24:45,618 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-08 14:24:45,618 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,618 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,618 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-12-08 14:24:45,619 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-12-08 14:24:45,619 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-12-08 14:24:45,620 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-12-08 14:24:45,620 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-12-08 14:24:45,620 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse5 .cse1) (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-12-08 14:24:45,620 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-08 14:24:45,621 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-12-08 14:24:45,621 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-08 14:24:45,622 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 14:24:45,622 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-12-08 14:24:45,623 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-12-08 14:24:45,624 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-12-08 14:24:45,624 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-12-08 14:24:45,624 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-12-08 14:24:45,624 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-12-08 14:24:45,624 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 14:24:45,624 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-12-08 14:24:45,624 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-12-08 14:24:45,624 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-12-08 14:24:45,624 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-12-08 14:24:45,624 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-08 14:24:45,624 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-08 14:24:45,625 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-08 14:24:45,625 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-12-08 14:24:45,625 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 14:24:45,626 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-12-08 14:24:45,626 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-12-08 14:24:45,626 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 14:24:45,627 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 14:24:45,627 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 14:24:45,627 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 14:24:45,627 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 14:24:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:24:45 BoogieIcfgContainer [2018-12-08 14:24:45,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:24:45,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:24:45,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:24:45,636 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:24:45,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:24:38" (3/4) ... [2018-12-08 14:24:45,639 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 14:24:45,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 14:24:45,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:24:45,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 14:24:45,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 14:24:45,648 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 14:24:45,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 14:24:45,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 14:24:45,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:24:45,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 14:24:45,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:24:45,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-08 14:24:45,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 14:24:45,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f4fa8e8-3385-4fd2-94b3-048a692072f7/bin-2019/utaipan/witness.graphml [2018-12-08 14:24:45,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:24:45,690 INFO L168 Benchmark]: Toolchain (without parser) took 8176.50 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 621.3 MB). Free memory was 951.3 MB in the beginning and 1.3 GB in the end (delta: -305.3 MB). Peak memory consumption was 316.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:24:45,690 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-08 14:24:45,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:24:45,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:24:45,690 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:24:45,691 INFO L168 Benchmark]: RCFGBuilder took 348.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:24:45,691 INFO L168 Benchmark]: TraceAbstraction took 7444.49 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 503.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.0 MB). Peak memory consumption was 595.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:24:45,691 INFO L168 Benchmark]: Witness Printer took 54.06 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 624.5 kB). Peak memory consumption was 624.5 kB. Max. memory is 11.5 GB. [2018-12-08 14:24:45,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 280.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7444.49 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 503.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.0 MB). Peak memory consumption was 595.1 MB. Max. memory is 11.5 GB. * Witness Printer took 54.06 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 624.5 kB). Peak memory consumption was 624.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1983 SDtfs, 976 SDslu, 3827 SDs, 0 SdLazy, 1240 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 642 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2538 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 5885 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7260 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1658 ConstructedInterpolants, 0 QuantifiedInterpolants, 318276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...