./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_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_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/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 4f6c889e7a16ef76fe9fccec0743002e303bbe32 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:40:15,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:40:15,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:40:15,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:40:15,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:40:15,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:40:15,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:40:15,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:40:15,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:40:15,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:40:15,493 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:40:15,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:40:15,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:40:15,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:40:15,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:40:15,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:40:15,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:40:15,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:40:15,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:40:15,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:40:15,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:40:15,502 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:40:15,504 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:40:15,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:40:15,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:40:15,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:40:15,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:40:15,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:40:15,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:40:15,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:40:15,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:40:15,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:40:15,507 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:40:15,507 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:40:15,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:40:15,508 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:40:15,508 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:40:15,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:40:15,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:40:15,517 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:40:15,517 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:40:15,517 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:40:15,518 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:40:15,518 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:40:15,518 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:40:15,518 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:40:15,518 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:40:15,518 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:40:15,519 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:40:15,519 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:40:15,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:40:15,519 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:40:15,520 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:40:15,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:40:15,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:15,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:40:15,522 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:40:15,522 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_4a420a0e-581e-4ae8-a642-e2826fb84c3a/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 -> 4f6c889e7a16ef76fe9fccec0743002e303bbe32 [2018-12-09 18:40:15,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:40:15,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:40:15,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:40:15,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:40:15,550 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:40:15,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:15,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/data/9c4c622ce/834f6f9d218a4850ad19839f4cf66071/FLAG1002419b1 [2018-12-09 18:40:16,056 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:40:16,057 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:16,063 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/data/9c4c622ce/834f6f9d218a4850ad19839f4cf66071/FLAG1002419b1 [2018-12-09 18:40:16,569 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/data/9c4c622ce/834f6f9d218a4850ad19839f4cf66071 [2018-12-09 18:40:16,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:40:16,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:40:16,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:16,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:40:16,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:40:16,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fe3112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16, skipping insertion in model container [2018-12-09 18:40:16,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:40:16,609 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:40:16,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:16,819 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:40:16,872 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:16,887 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:40:16,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16 WrapperNode [2018-12-09 18:40:16,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:16,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:16,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:40:16,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:40:16,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:16,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:40:16,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:40:16,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:40:16,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... [2018-12-09 18:40:16,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:40:16,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:40:16,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:40:16,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:40:16,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 18:40:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 18:40:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:40:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:40:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 18:40:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 18:40:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:40:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 18:40:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 18:40:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 18:40:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 18:40:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 18:40:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 18:40:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 18:40:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 18:40:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 18:40:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 18:40:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 18:40:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 18:40:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 18:40:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 18:40:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 18:40:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 18:40:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 18:40:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 18:40:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 18:40:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 18:40:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 18:40:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 18:40:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 18:40:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 18:40:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 18:40:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 18:40:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 18:40:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 18:40:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 18:40:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 18:40:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 18:40:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 18:40:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 18:40:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 18:40:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:40:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:40:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:40:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:40:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:40:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:40:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 18:40:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 18:40:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 18:40:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 18:40:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 18:40:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 18:40:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 18:40:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 18:40:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 18:40:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:40:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:40:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 18:40:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 18:40:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 18:40:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 18:40:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:40:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:40:17,236 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:40:17,237 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 18:40:17,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:17 BoogieIcfgContainer [2018-12-09 18:40:17,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:40:17,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:40:17,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:40:17,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:40:17,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:40:16" (1/3) ... [2018-12-09 18:40:17,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d2bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:17, skipping insertion in model container [2018-12-09 18:40:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:16" (2/3) ... [2018-12-09 18:40:17,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d2bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:17, skipping insertion in model container [2018-12-09 18:40:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:17" (3/3) ... [2018-12-09 18:40:17,241 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-12-09 18:40:17,247 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:40:17,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:40:17,261 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:40:17,279 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:40:17,279 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:40:17,279 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:40:17,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:40:17,280 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:40:17,280 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:40:17,280 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:40:17,280 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:40:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-12-09 18:40:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 18:40:17,296 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:17,296 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:17,298 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:17,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:17,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1368459006, now seen corresponding path program 1 times [2018-12-09 18:40:17,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:17,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:17,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:17,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:17,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:40:17,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:17,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:40:17,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:40:17,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:40:17,455 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-12-09 18:40:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:17,479 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2018-12-09 18:40:17,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:40:17,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 18:40:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:17,486 INFO L225 Difference]: With dead ends: 308 [2018-12-09 18:40:17,486 INFO L226 Difference]: Without dead ends: 156 [2018-12-09 18:40:17,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:40:17,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-12-09 18:40:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-12-09 18:40:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-12-09 18:40:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2018-12-09 18:40:17,521 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2018-12-09 18:40:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:17,521 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2018-12-09 18:40:17,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:40:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2018-12-09 18:40:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 18:40:17,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:17,523 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:17,523 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:17,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:17,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1108985580, now seen corresponding path program 1 times [2018-12-09 18:40:17,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:17,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:17,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:17,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:17,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:40:17,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:17,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:40:17,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:40:17,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:17,577 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2018-12-09 18:40:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:17,592 INFO L93 Difference]: Finished difference Result 257 states and 303 transitions. [2018-12-09 18:40:17,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:40:17,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 18:40:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:17,593 INFO L225 Difference]: With dead ends: 257 [2018-12-09 18:40:17,593 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 18:40:17,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 18:40:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 18:40:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 18:40:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-12-09 18:40:17,602 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 60 [2018-12-09 18:40:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:17,602 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-12-09 18:40:17,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:40:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-12-09 18:40:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 18:40:17,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:17,603 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:17,604 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:17,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash 138946551, now seen corresponding path program 1 times [2018-12-09 18:40:17,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:17,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:17,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:17,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:17,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:40:17,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:17,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:40:17,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:40:17,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:17,671 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-12-09 18:40:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:17,878 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2018-12-09 18:40:17,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:17,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-09 18:40:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:17,880 INFO L225 Difference]: With dead ends: 266 [2018-12-09 18:40:17,880 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 18:40:17,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 18:40:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 18:40:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 18:40:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2018-12-09 18:40:17,892 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 64 [2018-12-09 18:40:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:17,894 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2018-12-09 18:40:17,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:40:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2018-12-09 18:40:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 18:40:17,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:17,897 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:17,897 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:17,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:17,897 INFO L82 PathProgramCache]: Analyzing trace with hash -577593803, now seen corresponding path program 1 times [2018-12-09 18:40:17,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:17,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:17,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:17,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:17,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:17,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:40:17,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:17,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:40:17,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:40:17,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:40:17,980 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 5 states. [2018-12-09 18:40:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:18,314 INFO L93 Difference]: Finished difference Result 375 states and 455 transitions. [2018-12-09 18:40:18,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:18,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-12-09 18:40:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:18,316 INFO L225 Difference]: With dead ends: 375 [2018-12-09 18:40:18,316 INFO L226 Difference]: Without dead ends: 256 [2018-12-09 18:40:18,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:18,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-12-09 18:40:18,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-12-09 18:40:18,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-09 18:40:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 272 transitions. [2018-12-09 18:40:18,338 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 272 transitions. Word has length 82 [2018-12-09 18:40:18,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:18,338 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 272 transitions. [2018-12-09 18:40:18,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:40:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2018-12-09 18:40:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 18:40:18,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:18,340 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:18,340 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:18,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:18,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1652182924, now seen corresponding path program 1 times [2018-12-09 18:40:18,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:18,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:18,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 18:40:18,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:18,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:40:18,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:18,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:40:18,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:40:18,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:18,415 INFO L87 Difference]: Start difference. First operand 238 states and 272 transitions. Second operand 7 states. [2018-12-09 18:40:18,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:18,784 INFO L93 Difference]: Finished difference Result 465 states and 547 transitions. [2018-12-09 18:40:18,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:40:18,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-09 18:40:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:18,786 INFO L225 Difference]: With dead ends: 465 [2018-12-09 18:40:18,786 INFO L226 Difference]: Without dead ends: 255 [2018-12-09 18:40:18,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:40:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-12-09 18:40:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 237. [2018-12-09 18:40:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-12-09 18:40:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2018-12-09 18:40:18,798 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 96 [2018-12-09 18:40:18,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:18,798 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2018-12-09 18:40:18,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:40:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2018-12-09 18:40:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 18:40:18,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:18,799 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:18,799 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:18,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:18,799 INFO L82 PathProgramCache]: Analyzing trace with hash 814151554, now seen corresponding path program 1 times [2018-12-09 18:40:18,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:18,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:18,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:18,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:18,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:18,842 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:18,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:18,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:18,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:18,842 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand 6 states. [2018-12-09 18:40:18,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:18,881 INFO L93 Difference]: Finished difference Result 451 states and 521 transitions. [2018-12-09 18:40:18,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:18,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-09 18:40:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:18,883 INFO L225 Difference]: With dead ends: 451 [2018-12-09 18:40:18,883 INFO L226 Difference]: Without dead ends: 242 [2018-12-09 18:40:18,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:18,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-09 18:40:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-12-09 18:40:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-09 18:40:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2018-12-09 18:40:18,900 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 97 [2018-12-09 18:40:18,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:18,901 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2018-12-09 18:40:18,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2018-12-09 18:40:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 18:40:18,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:18,902 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:18,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:18,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash 741764996, now seen corresponding path program 1 times [2018-12-09 18:40:18,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:18,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:18,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:18,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:18,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:18,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 18:40:18,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:18,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 18:40:18,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 18:40:18,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:18,967 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 8 states. [2018-12-09 18:40:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:18,991 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2018-12-09 18:40:18,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:40:18,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-12-09 18:40:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:18,993 INFO L225 Difference]: With dead ends: 463 [2018-12-09 18:40:18,993 INFO L226 Difference]: Without dead ends: 249 [2018-12-09 18:40:18,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-09 18:40:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2018-12-09 18:40:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-09 18:40:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2018-12-09 18:40:19,007 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2018-12-09 18:40:19,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:19,007 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2018-12-09 18:40:19,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 18:40:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2018-12-09 18:40:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 18:40:19,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:19,009 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:19,009 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:19,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:19,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1071530757, now seen corresponding path program 1 times [2018-12-09 18:40:19,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:19,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:19,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:19,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:19,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:40:19,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:19,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:40:19,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:40:19,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:40:19,070 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 4 states. [2018-12-09 18:40:19,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:19,194 INFO L93 Difference]: Finished difference Result 720 states and 854 transitions. [2018-12-09 18:40:19,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:40:19,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-09 18:40:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:19,197 INFO L225 Difference]: With dead ends: 720 [2018-12-09 18:40:19,197 INFO L226 Difference]: Without dead ends: 502 [2018-12-09 18:40:19,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:40:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-12-09 18:40:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 493. [2018-12-09 18:40:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-09 18:40:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 573 transitions. [2018-12-09 18:40:19,221 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 573 transitions. Word has length 97 [2018-12-09 18:40:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:19,221 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 573 transitions. [2018-12-09 18:40:19,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:40:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 573 transitions. [2018-12-09 18:40:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 18:40:19,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:19,223 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:19,223 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:19,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:19,223 INFO L82 PathProgramCache]: Analyzing trace with hash -953362517, now seen corresponding path program 1 times [2018-12-09 18:40:19,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:19,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:19,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:19,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:19,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 18:40:19,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:19,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:40:19,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:40:19,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:40:19,324 INFO L87 Difference]: Start difference. First operand 493 states and 573 transitions. Second operand 9 states. [2018-12-09 18:40:19,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:19,830 INFO L93 Difference]: Finished difference Result 1284 states and 1562 transitions. [2018-12-09 18:40:19,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:40:19,830 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2018-12-09 18:40:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:19,834 INFO L225 Difference]: With dead ends: 1284 [2018-12-09 18:40:19,834 INFO L226 Difference]: Without dead ends: 892 [2018-12-09 18:40:19,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:40:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-12-09 18:40:19,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 816. [2018-12-09 18:40:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-12-09 18:40:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 937 transitions. [2018-12-09 18:40:19,873 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 937 transitions. Word has length 101 [2018-12-09 18:40:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:19,873 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 937 transitions. [2018-12-09 18:40:19,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:40:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 937 transitions. [2018-12-09 18:40:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 18:40:19,875 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:19,875 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:19,875 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:19,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:19,876 INFO L82 PathProgramCache]: Analyzing trace with hash 433238259, now seen corresponding path program 1 times [2018-12-09 18:40:19,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:19,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:19,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:19,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 18:40:19,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:19,960 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:19,961 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-09 18:40:19,962 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [75], [76], [77], [80], [82], [88], [92], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [155], [156], [158], [163], [165], [166], [200], [201], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [302], [303], [304], [305], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [350], [351], [352], [353] [2018-12-09 18:40:19,986 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:19,987 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:21,067 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:40:21,068 INFO L272 AbstractInterpreter]: Visited 144 different actions 705 times. Merged at 18 different actions 56 times. Never widened. Performed 22971 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22971 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-09 18:40:21,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:21,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:40:21,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:21,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:40:21,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:21,100 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:40:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:21,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:40:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:21,301 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:40:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 18:40:21,546 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:40:21,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 18:40:21,547 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:40:21,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 18:40:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 18:40:21,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:40:21,548 INFO L87 Difference]: Start difference. First operand 816 states and 937 transitions. Second operand 16 states. [2018-12-09 18:40:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:22,150 INFO L93 Difference]: Finished difference Result 1799 states and 2148 transitions. [2018-12-09 18:40:22,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 18:40:22,150 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 178 [2018-12-09 18:40:22,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:22,152 INFO L225 Difference]: With dead ends: 1799 [2018-12-09 18:40:22,153 INFO L226 Difference]: Without dead ends: 1082 [2018-12-09 18:40:22,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 348 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 18:40:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2018-12-09 18:40:22,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 962. [2018-12-09 18:40:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2018-12-09 18:40:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1117 transitions. [2018-12-09 18:40:22,189 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1117 transitions. Word has length 178 [2018-12-09 18:40:22,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:22,189 INFO L480 AbstractCegarLoop]: Abstraction has 962 states and 1117 transitions. [2018-12-09 18:40:22,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 18:40:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1117 transitions. [2018-12-09 18:40:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 18:40:22,193 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:22,193 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:40:22,193 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:22,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:22,194 INFO L82 PathProgramCache]: Analyzing trace with hash -818429207, now seen corresponding path program 1 times [2018-12-09 18:40:22,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:22,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:22,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:22,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:22,194 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 95 proven. 9 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-09 18:40:22,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:22,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:22,299 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-12-09 18:40:22,299 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [75], [76], [77], [80], [82], [85], [88], [92], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [155], [156], [158], [163], [165], [166], [200], [201], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [245], [248], [251], [253], [255], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [350], [351], [352], [353] [2018-12-09 18:40:22,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:22,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:23,530 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:40:23,530 INFO L272 AbstractInterpreter]: Visited 146 different actions 1092 times. Merged at 18 different actions 83 times. Never widened. Performed 34735 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34735 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-09 18:40:23,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:23,531 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:40:23,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:23,531 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:40:23,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:23,541 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:40:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:23,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:40:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 208 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 18:40:23,802 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:40:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 18:40:24,272 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:40:24,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-09 18:40:24,272 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:40:24,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 18:40:24,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 18:40:24,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-09 18:40:24,273 INFO L87 Difference]: Start difference. First operand 962 states and 1117 transitions. Second operand 18 states. [2018-12-09 18:40:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:25,836 INFO L93 Difference]: Finished difference Result 2566 states and 3162 transitions. [2018-12-09 18:40:25,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 18:40:25,836 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2018-12-09 18:40:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:25,839 INFO L225 Difference]: With dead ends: 2566 [2018-12-09 18:40:25,839 INFO L226 Difference]: Without dead ends: 1385 [2018-12-09 18:40:25,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 590 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 18:40:25,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-12-09 18:40:25,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1281. [2018-12-09 18:40:25,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2018-12-09 18:40:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1473 transitions. [2018-12-09 18:40:25,882 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1473 transitions. Word has length 301 [2018-12-09 18:40:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:25,882 INFO L480 AbstractCegarLoop]: Abstraction has 1281 states and 1473 transitions. [2018-12-09 18:40:25,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 18:40:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1473 transitions. [2018-12-09 18:40:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-09 18:40:25,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:25,886 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:25,886 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:25,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:25,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1690902041, now seen corresponding path program 1 times [2018-12-09 18:40:25,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:25,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:25,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:25,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-12-09 18:40:25,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:25,992 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:25,993 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 387 with the following transitions: [2018-12-09 18:40:25,993 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [75], [76], [77], [80], [82], [85], [88], [92], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [155], [156], [158], [161], [163], [165], [166], [200], [201], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [241], [245], [248], [251], [255], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [350], [351], [352], [353] [2018-12-09 18:40:25,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:25,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:28,345 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:40:28,345 INFO L272 AbstractInterpreter]: Visited 146 different actions 1952 times. Merged at 37 different actions 455 times. Widened at 1 different actions 3 times. Performed 68419 root evaluator evaluations with a maximum evaluation depth of 5. Performed 68419 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 84 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-09 18:40:28,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:28,346 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:40:28,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:28,346 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:40:28,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:28,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:40:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:28,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:40:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-12-09 18:40:28,504 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:40:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-12-09 18:40:28,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 18:40:28,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 18:40:28,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:28,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:28,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:28,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:40:28,794 INFO L87 Difference]: Start difference. First operand 1281 states and 1473 transitions. Second operand 6 states. [2018-12-09 18:40:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:28,829 INFO L93 Difference]: Finished difference Result 1560 states and 1784 transitions. [2018-12-09 18:40:28,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:28,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 386 [2018-12-09 18:40:28,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:28,830 INFO L225 Difference]: With dead ends: 1560 [2018-12-09 18:40:28,830 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:40:28,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 767 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-09 18:40:28,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:40:28,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:40:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:40:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:40:28,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 386 [2018-12-09 18:40:28,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:28,833 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:40:28,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:40:28,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:40:28,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:40:28,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:28,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:29,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:29,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:29,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:29,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:40:29,633 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-12-09 18:40:30,051 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-12-09 18:40:30,780 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-12-09 18:40:31,170 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2018-12-09 18:40:31,170 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2018-12-09 18:40:31,170 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-09 18:40:31,171 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 793) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse5) (or .cse2 .cse0 .cse3 .cse5 .cse4))) [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L448 ceAbstractionStarter]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2018-12-09 18:40:31,171 INFO L451 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L444 ceAbstractionStarter]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L451 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-12-09 18:40:31,172 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2018-12-09 18:40:31,173 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,173 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point L990(lines 990 996) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2018-12-09 18:40:31,173 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 529) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 524) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L696(lines 695 740) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2018-12-09 18:40:31,174 INFO L444 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-09 18:40:31,174 INFO L448 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L444 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-12-09 18:40:31,175 INFO L444 ceAbstractionStarter]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L444 ceAbstractionStarter]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 18:40:31,175 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2018-12-09 18:40:31,175 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point L827(lines 802 831) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2018-12-09 18:40:31,176 INFO L444 ceAbstractionStarter]: At program point L437(line 437) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point L428(lines 424 446) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point L426(lines 424 446) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 18:40:31,177 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-09 18:40:31,177 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2018-12-09 18:40:31,177 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 18:40:31,178 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 472) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 477) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2018-12-09 18:40:31,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2018-12-09 18:40:31,179 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2018-12-09 18:40:31,179 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 18:40:31,179 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 18:40:31,179 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2018-12-09 18:40:31,179 INFO L444 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,179 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,179 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 498) no Hoare annotation was computed. [2018-12-09 18:40:31,179 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 18:40:31,179 INFO L448 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2018-12-09 18:40:31,180 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 503) no Hoare annotation was computed. [2018-12-09 18:40:31,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:40:31 BoogieIcfgContainer [2018-12-09 18:40:31,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:40:31,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:40:31,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:40:31,188 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:40:31,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:17" (3/4) ... [2018-12-09 18:40:31,192 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:40:31,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 18:40:31,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 18:40:31,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 18:40:31,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 18:40:31,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 18:40:31,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 18:40:31,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 18:40:31,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 18:40:31,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:40:31,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:40:31,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-09 18:40:31,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-09 18:40:31,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4a420a0e-581e-4ae8-a642-e2826fb84c3a/bin-2019/utaipan/witness.graphml [2018-12-09 18:40:31,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:40:31,248 INFO L168 Benchmark]: Toolchain (without parser) took 14676.86 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 947.0 MB in the beginning and 1.4 GB in the end (delta: -430.4 MB). Peak memory consumption was 623.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.21 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: Boogie Preprocessor took 20.86 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. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: RCFGBuilder took 308.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: TraceAbstraction took 13950.58 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 950.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -341.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,249 INFO L168 Benchmark]: Witness Printer took 59.60 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.9 kB). Peak memory consumption was 66.9 kB. Max. memory is 11.5 GB. [2018-12-09 18:40:31,251 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.21 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.86 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 308.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13950.58 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 950.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -341.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 59.60 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.9 kB). Peak memory consumption was 66.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 169 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2547 SDtfs, 2585 SDslu, 7141 SDs, 0 SdLazy, 5662 SolverSat, 1397 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1923 GetRequests, 1753 SyntacticMatches, 23 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.7s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2130 PreInvPairs, 2201 NumberOfFragments, 1894 HoareAnnotationTreeSize, 2130 FomulaSimplifications, 9846 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14581 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2483 NumberOfCodeBlocks, 2483 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3330 ConstructedInterpolants, 0 QuantifiedInterpolants, 1149263 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3619 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2596/2709 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...