./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/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 324eb41748355c32a9add81086317d66d1f7b200 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:27:02,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:27:02,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:27:02,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:27:02,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:27:02,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:27:02,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:27:02,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:27:02,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:27:02,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:27:02,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:27:02,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:27:02,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:27:02,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:27:02,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:27:02,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:27:02,908 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:27:02,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:27:02,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:27:02,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:27:02,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:27:02,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:27:02,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:27:02,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:27:02,915 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:27:02,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:27:02,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:27:02,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:27:02,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:27:02,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:27:02,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:27:02,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:27:02,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:27:02,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:27:02,920 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:27:02,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:27:02,921 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:27:02,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:27:02,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:27:02,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:27:02,931 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:27:02,932 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:27:02,932 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:27:02,933 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:27:02,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:27:02,933 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:27:02,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:27:02,934 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:27:02,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:27:02,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:27:02,935 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:27:02,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:27:02,935 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:27:02,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:27:02,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:27:02,936 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:27:02,936 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_612fc127-80ad-403a-8b7d-997c4a1c664f/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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-11-18 13:27:02,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:27:02,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:27:02,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:27:02,971 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:27:02,972 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:27:02,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:03,009 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/data/f9d56aeaf/70ac294291bd407f83acc6fc01aa8540/FLAG2ac2a1dbe [2018-11-18 13:27:03,458 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:27:03,458 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:03,468 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/data/f9d56aeaf/70ac294291bd407f83acc6fc01aa8540/FLAG2ac2a1dbe [2018-11-18 13:27:03,478 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/data/f9d56aeaf/70ac294291bd407f83acc6fc01aa8540 [2018-11-18 13:27:03,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:27:03,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:27:03,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:03,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:27:03,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:27:03,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03, skipping insertion in model container [2018-11-18 13:27:03,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:27:03,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:27:03,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:03,739 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:27:03,834 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:03,852 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:27:03,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03 WrapperNode [2018-11-18 13:27:03,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:03,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:03,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:27:03,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:27:03,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:03,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:27:03,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:27:03,879 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:27:03,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... [2018-11-18 13:27:03,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:27:03,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:27:03,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:27:03,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:27:03,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:27:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:27:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:27:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:27:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:27:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:27:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:27:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:27:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:27:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:27:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:27:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:27:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:27:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:27:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:27:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:27:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:27:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:27:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:27:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:27:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:27:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:27:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:27:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:27:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:27:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:27:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:27:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:27:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:27:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:27:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:27:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:27:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:27:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:27:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:27:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:27:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:27:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:27:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:27:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:27:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:27:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:27:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:27:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:27:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:27:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:27:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:27:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:27:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:27:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:27:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:27:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:27:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:27:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:27:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:27:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:27:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:27:04,382 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:27:04,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:04 BoogieIcfgContainer [2018-11-18 13:27:04,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:27:04,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:27:04,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:27:04,385 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:27:04,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:27:03" (1/3) ... [2018-11-18 13:27:04,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e627325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:27:04, skipping insertion in model container [2018-11-18 13:27:04,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:03" (2/3) ... [2018-11-18 13:27:04,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e627325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:27:04, skipping insertion in model container [2018-11-18 13:27:04,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:04" (3/3) ... [2018-11-18 13:27:04,388 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:04,394 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:27:04,399 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:27:04,408 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:27:04,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:27:04,430 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:27:04,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:27:04,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:27:04,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:27:04,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:27:04,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:27:04,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:27:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-18 13:27:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:27:04,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:04,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:04,456 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:04,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:04,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1786918532, now seen corresponding path program 1 times [2018-11-18 13:27:04,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:04,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:04,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,492 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:04,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:04,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:27:04,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:04,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:27:04,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:27:04,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:27:04,676 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-18 13:27:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:04,707 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions. [2018-11-18 13:27:04,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:27:04,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 13:27:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:04,717 INFO L225 Difference]: With dead ends: 296 [2018-11-18 13:27:04,717 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 13:27:04,720 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:27:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 13:27:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 13:27:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 13:27:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2018-11-18 13:27:04,756 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 52 [2018-11-18 13:27:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:04,757 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2018-11-18 13:27:04,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:27:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2018-11-18 13:27:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:27:04,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:04,760 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:04,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:04,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:04,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2107616534, now seen corresponding path program 1 times [2018-11-18 13:27:04,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:04,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:04,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:04,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:04,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:27:04,838 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:04,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:27:04,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:27:04,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:27:04,840 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2018-11-18 13:27:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:04,865 INFO L93 Difference]: Finished difference Result 243 states and 283 transitions. [2018-11-18 13:27:04,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:27:04,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 13:27:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:04,867 INFO L225 Difference]: With dead ends: 243 [2018-11-18 13:27:04,867 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 13:27:04,869 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:27:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 13:27:04,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 13:27:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 13:27:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2018-11-18 13:27:04,879 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 54 [2018-11-18 13:27:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:04,880 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2018-11-18 13:27:04,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:27:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2018-11-18 13:27:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:27:04,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:04,881 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:04,881 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:04,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash -59767290, now seen corresponding path program 1 times [2018-11-18 13:27:04,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:04,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:04,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:04,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:04,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:04,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:27:04,993 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:04,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:27:04,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:27:04,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:27:04,994 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 7 states. [2018-11-18 13:27:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:05,244 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-11-18 13:27:05,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:27:05,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 13:27:05,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:05,246 INFO L225 Difference]: With dead ends: 252 [2018-11-18 13:27:05,246 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 13:27:05,247 INFO L604 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 [2018-11-18 13:27:05,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 13:27:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 13:27:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 13:27:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2018-11-18 13:27:05,257 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 58 [2018-11-18 13:27:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:05,258 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2018-11-18 13:27:05,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:27:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-11-18 13:27:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:27:05,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:05,260 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:05,260 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:05,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:05,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1850736818, now seen corresponding path program 1 times [2018-11-18 13:27:05,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:05,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:05,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:05,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:05,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:05,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:05,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:27:05,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:05,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:27:05,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:27:05,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:27:05,375 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states. [2018-11-18 13:27:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:05,847 INFO L93 Difference]: Finished difference Result 362 states and 433 transitions. [2018-11-18 13:27:05,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:27:05,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 13:27:05,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:05,848 INFO L225 Difference]: With dead ends: 362 [2018-11-18 13:27:05,848 INFO L226 Difference]: Without dead ends: 248 [2018-11-18 13:27:05,849 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:27:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-18 13:27:05,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2018-11-18 13:27:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-18 13:27:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 261 transitions. [2018-11-18 13:27:05,866 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 261 transitions. Word has length 71 [2018-11-18 13:27:05,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:05,867 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 261 transitions. [2018-11-18 13:27:05,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:27:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 261 transitions. [2018-11-18 13:27:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:27:05,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:05,870 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:05,870 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:05,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:05,870 INFO L82 PathProgramCache]: Analyzing trace with hash -835192816, now seen corresponding path program 1 times [2018-11-18 13:27:05,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:05,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:05,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:05,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:05,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:05,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:05,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:27:05,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:05,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:27:05,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:27:05,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:27:05,968 INFO L87 Difference]: Start difference. First operand 229 states and 261 transitions. Second operand 6 states. [2018-11-18 13:27:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:06,204 INFO L93 Difference]: Finished difference Result 562 states and 673 transitions. [2018-11-18 13:27:06,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:27:06,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 13:27:06,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:06,210 INFO L225 Difference]: With dead ends: 562 [2018-11-18 13:27:06,210 INFO L226 Difference]: Without dead ends: 357 [2018-11-18 13:27:06,211 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:27:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-11-18 13:27:06,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2018-11-18 13:27:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-11-18 13:27:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 409 transitions. [2018-11-18 13:27:06,236 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 409 transitions. Word has length 85 [2018-11-18 13:27:06,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:06,236 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 409 transitions. [2018-11-18 13:27:06,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:27:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 409 transitions. [2018-11-18 13:27:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 13:27:06,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:06,238 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:06,238 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:06,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:06,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1868642422, now seen corresponding path program 1 times [2018-11-18 13:27:06,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:06,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:06,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,239 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:06,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:06,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:27:06,340 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:06,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:27:06,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:27:06,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:27:06,341 INFO L87 Difference]: Start difference. First operand 353 states and 409 transitions. Second operand 6 states. [2018-11-18 13:27:06,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:06,555 INFO L93 Difference]: Finished difference Result 758 states and 912 transitions. [2018-11-18 13:27:06,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:27:06,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 13:27:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:06,558 INFO L225 Difference]: With dead ends: 758 [2018-11-18 13:27:06,558 INFO L226 Difference]: Without dead ends: 553 [2018-11-18 13:27:06,559 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:27:06,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-11-18 13:27:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 535. [2018-11-18 13:27:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-18 13:27:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 633 transitions. [2018-11-18 13:27:06,595 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 633 transitions. Word has length 89 [2018-11-18 13:27:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:06,596 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 633 transitions. [2018-11-18 13:27:06,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:27:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 633 transitions. [2018-11-18 13:27:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 13:27:06,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:06,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:06,599 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:06,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:06,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1503641291, now seen corresponding path program 1 times [2018-11-18 13:27:06,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:06,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:06,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:06,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:06,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:27:06,669 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:06,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:27:06,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:27:06,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:27:06,669 INFO L87 Difference]: Start difference. First operand 535 states and 633 transitions. Second operand 5 states. [2018-11-18 13:27:06,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:06,707 INFO L93 Difference]: Finished difference Result 932 states and 1124 transitions. [2018-11-18 13:27:06,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:27:06,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-18 13:27:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:06,711 INFO L225 Difference]: With dead ends: 932 [2018-11-18 13:27:06,711 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 13:27:06,713 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:27:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 13:27:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-11-18 13:27:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 13:27:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 636 transitions. [2018-11-18 13:27:06,748 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 636 transitions. Word has length 89 [2018-11-18 13:27:06,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:06,749 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 636 transitions. [2018-11-18 13:27:06,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:27:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 636 transitions. [2018-11-18 13:27:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 13:27:06,751 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:06,751 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:06,751 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:06,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:06,751 INFO L82 PathProgramCache]: Analyzing trace with hash 659635789, now seen corresponding path program 1 times [2018-11-18 13:27:06,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:06,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:06,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:06,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:06,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:27:06,826 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:06,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:27:06,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:27:06,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:27:06,827 INFO L87 Difference]: Start difference. First operand 539 states and 636 transitions. Second operand 9 states. [2018-11-18 13:27:06,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:06,886 INFO L93 Difference]: Finished difference Result 1071 states and 1290 transitions. [2018-11-18 13:27:06,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:27:06,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-18 13:27:06,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:06,890 INFO L225 Difference]: With dead ends: 1071 [2018-11-18 13:27:06,890 INFO L226 Difference]: Without dead ends: 556 [2018-11-18 13:27:06,892 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:27:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-18 13:27:06,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 546. [2018-11-18 13:27:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-11-18 13:27:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 643 transitions. [2018-11-18 13:27:06,919 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 643 transitions. Word has length 89 [2018-11-18 13:27:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:06,919 INFO L480 AbstractCegarLoop]: Abstraction has 546 states and 643 transitions. [2018-11-18 13:27:06,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:27:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 643 transitions. [2018-11-18 13:27:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 13:27:06,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:06,921 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:06,921 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:06,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:06,921 INFO L82 PathProgramCache]: Analyzing trace with hash 906387200, now seen corresponding path program 1 times [2018-11-18 13:27:06,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:06,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:06,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:06,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:27:07,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:07,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:07,004 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-11-18 13:27:07,006 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [92], [98], [100], [103], [122], [123], [124], [126], [129], [134], [135], [137], [142], [144], [145], [146], [147], [187], [191], [198], [199], [200], [202], [207], [209], [212], [214], [219], [233], [237], [240], [242], [245], [255], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [273], [274], [278], [280], [281], [288], [289], [290], [291], [294], [298], [299], [302], [303], [310], [311], [312], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [326], [327], [328], [329] [2018-11-18 13:27:07,038 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:07,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:07,505 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:27:07,506 INFO L272 AbstractInterpreter]: Visited 99 different actions 101 times. Never merged. Never widened. Performed 3038 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 13:27:07,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:07,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:27:07,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:07,528 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:27:07,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:07,545 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:27:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:07,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:27:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:07,853 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:27:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:27:08,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:27:08,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-18 13:27:08,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:08,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:27:08,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:27:08,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:27:08,221 INFO L87 Difference]: Start difference. First operand 546 states and 643 transitions. Second operand 8 states. [2018-11-18 13:27:08,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:08,575 INFO L93 Difference]: Finished difference Result 1577 states and 1897 transitions. [2018-11-18 13:27:08,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:27:08,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2018-11-18 13:27:08,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:08,580 INFO L225 Difference]: With dead ends: 1577 [2018-11-18 13:27:08,580 INFO L226 Difference]: Without dead ends: 1055 [2018-11-18 13:27:08,581 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 190 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:27:08,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2018-11-18 13:27:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1052. [2018-11-18 13:27:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-11-18 13:27:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1242 transitions. [2018-11-18 13:27:08,616 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1242 transitions. Word has length 101 [2018-11-18 13:27:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:08,616 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1242 transitions. [2018-11-18 13:27:08,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:27:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1242 transitions. [2018-11-18 13:27:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 13:27:08,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:08,619 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:08,619 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:08,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:08,619 INFO L82 PathProgramCache]: Analyzing trace with hash 936874978, now seen corresponding path program 1 times [2018-11-18 13:27:08,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:08,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:08,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:08,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:08,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:27:08,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:08,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:27:08,715 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:08,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:27:08,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:27:08,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:27:08,715 INFO L87 Difference]: Start difference. First operand 1052 states and 1242 transitions. Second operand 10 states. [2018-11-18 13:27:08,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:08,915 INFO L93 Difference]: Finished difference Result 2092 states and 2473 transitions. [2018-11-18 13:27:08,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:27:08,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-18 13:27:08,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:08,919 INFO L225 Difference]: With dead ends: 2092 [2018-11-18 13:27:08,919 INFO L226 Difference]: Without dead ends: 1064 [2018-11-18 13:27:08,920 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:27:08,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2018-11-18 13:27:08,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1030. [2018-11-18 13:27:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1030 states. [2018-11-18 13:27:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1179 transitions. [2018-11-18 13:27:08,950 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1179 transitions. Word has length 105 [2018-11-18 13:27:08,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:08,950 INFO L480 AbstractCegarLoop]: Abstraction has 1030 states and 1179 transitions. [2018-11-18 13:27:08,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:27:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1179 transitions. [2018-11-18 13:27:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 13:27:08,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:08,952 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:08,952 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:08,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:08,952 INFO L82 PathProgramCache]: Analyzing trace with hash 208827196, now seen corresponding path program 1 times [2018-11-18 13:27:08,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:08,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:08,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:08,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:08,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:27:09,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:09,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:27:09,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:09,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:27:09,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:27:09,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:27:09,029 INFO L87 Difference]: Start difference. First operand 1030 states and 1179 transitions. Second operand 10 states. [2018-11-18 13:27:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:09,220 INFO L93 Difference]: Finished difference Result 1986 states and 2305 transitions. [2018-11-18 13:27:09,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:27:09,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-18 13:27:09,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:09,224 INFO L225 Difference]: With dead ends: 1986 [2018-11-18 13:27:09,224 INFO L226 Difference]: Without dead ends: 980 [2018-11-18 13:27:09,226 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:27:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2018-11-18 13:27:09,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 964. [2018-11-18 13:27:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-11-18 13:27:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1091 transitions. [2018-11-18 13:27:09,252 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1091 transitions. Word has length 105 [2018-11-18 13:27:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:09,252 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1091 transitions. [2018-11-18 13:27:09,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:27:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1091 transitions. [2018-11-18 13:27:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 13:27:09,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:09,254 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:09,255 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:09,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:09,255 INFO L82 PathProgramCache]: Analyzing trace with hash 783248813, now seen corresponding path program 1 times [2018-11-18 13:27:09,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:09,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:09,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:09,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:09,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:27:09,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:09,316 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:09,316 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 13:27:09,316 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [90], [92], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [140], [144], [145], [146], [147], [184], [187], [191], [197], [198], [199], [200], [202], [205], [207], [209], [212], [214], [219], [225], [228], [232], [233], [237], [240], [242], [245], [255], [263], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [280], [281], [282], [283], [284], [285], [288], [289], [294], [295], [298], [299], [300], [301], [302], [303], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [326], [327], [328], [329] [2018-11-18 13:27:09,319 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:09,319 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:09,470 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:27:09,471 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Performed 1863 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 13:27:09,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:09,478 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:27:09,689 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 96.43% of their original sizes. [2018-11-18 13:27:09,689 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:27:09,768 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 13:27:09,768 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:27:09,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:27:09,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-18 13:27:09,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:09,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 13:27:09,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 13:27:09,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:27:09,770 INFO L87 Difference]: Start difference. First operand 964 states and 1091 transitions. Second operand 13 states. [2018-11-18 13:27:11,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:11,437 INFO L93 Difference]: Finished difference Result 1795 states and 2037 transitions. [2018-11-18 13:27:11,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:27:11,437 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2018-11-18 13:27:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:11,441 INFO L225 Difference]: With dead ends: 1795 [2018-11-18 13:27:11,441 INFO L226 Difference]: Without dead ends: 1026 [2018-11-18 13:27:11,443 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:27:11,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2018-11-18 13:27:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1022. [2018-11-18 13:27:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-11-18 13:27:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1154 transitions. [2018-11-18 13:27:11,487 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1154 transitions. Word has length 151 [2018-11-18 13:27:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:11,488 INFO L480 AbstractCegarLoop]: Abstraction has 1022 states and 1154 transitions. [2018-11-18 13:27:11,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 13:27:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1154 transitions. [2018-11-18 13:27:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 13:27:11,491 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:11,492 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:11,492 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:11,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash -567622801, now seen corresponding path program 1 times [2018-11-18 13:27:11,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:11,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:11,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:11,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:11,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:27:11,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:11,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:11,565 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-18 13:27:11,565 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [90], [92], [95], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [140], [144], [145], [146], [147], [150], [152], [154], [184], [187], [191], [197], [198], [199], [200], [202], [205], [207], [209], [212], [214], [219], [225], [228], [232], [233], [237], [240], [242], [245], [255], [263], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [326], [327], [328], [329] [2018-11-18 13:27:11,568 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:11,568 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:11,711 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:27:11,711 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Performed 1992 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1992 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 13:27:11,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:11,713 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:27:11,897 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.44% of their original sizes. [2018-11-18 13:27:11,897 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:27:12,072 INFO L415 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-11-18 13:27:12,072 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:27:12,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:27:12,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-18 13:27:12,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:12,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 13:27:12,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 13:27:12,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:27:12,073 INFO L87 Difference]: Start difference. First operand 1022 states and 1154 transitions. Second operand 15 states. [2018-11-18 13:27:13,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:13,467 INFO L93 Difference]: Finished difference Result 1910 states and 2171 transitions. [2018-11-18 13:27:13,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 13:27:13,467 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 159 [2018-11-18 13:27:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:13,471 INFO L225 Difference]: With dead ends: 1910 [2018-11-18 13:27:13,471 INFO L226 Difference]: Without dead ends: 970 [2018-11-18 13:27:13,473 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:27:13,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2018-11-18 13:27:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 961. [2018-11-18 13:27:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2018-11-18 13:27:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1083 transitions. [2018-11-18 13:27:13,512 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1083 transitions. Word has length 159 [2018-11-18 13:27:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:13,512 INFO L480 AbstractCegarLoop]: Abstraction has 961 states and 1083 transitions. [2018-11-18 13:27:13,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 13:27:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1083 transitions. [2018-11-18 13:27:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 13:27:13,515 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:13,515 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:13,516 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:13,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:13,516 INFO L82 PathProgramCache]: Analyzing trace with hash -321161561, now seen corresponding path program 1 times [2018-11-18 13:27:13,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:13,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:13,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:13,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:13,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:27:13,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:13,597 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:13,597 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 13:27:13,597 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [140], [144], [145], [146], [147], [184], [187], [191], [197], [198], [199], [200], [202], [205], [207], [209], [212], [214], [219], [225], [228], [232], [233], [237], [240], [242], [245], [255], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [280], [281], [282], [283], [284], [285], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [302], [303], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [326], [327], [328], [329] [2018-11-18 13:27:13,599 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:13,600 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:13,780 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:27:13,780 INFO L272 AbstractInterpreter]: Visited 63 different actions 92 times. Merged at 5 different actions 5 times. Never widened. Performed 4574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 13:27:13,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:13,789 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:27:13,979 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.43% of their original sizes. [2018-11-18 13:27:13,979 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:27:14,053 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 13:27:14,053 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:27:14,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:27:14,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-11-18 13:27:14,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:14,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:27:14,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:27:14,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:27:14,054 INFO L87 Difference]: Start difference. First operand 961 states and 1083 transitions. Second operand 16 states. [2018-11-18 13:27:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:16,336 INFO L93 Difference]: Finished difference Result 1751 states and 1992 transitions. [2018-11-18 13:27:16,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:27:16,336 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2018-11-18 13:27:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:16,339 INFO L225 Difference]: With dead ends: 1751 [2018-11-18 13:27:16,339 INFO L226 Difference]: Without dead ends: 1064 [2018-11-18 13:27:16,340 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2018-11-18 13:27:16,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2018-11-18 13:27:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1051. [2018-11-18 13:27:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2018-11-18 13:27:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1181 transitions. [2018-11-18 13:27:16,461 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1181 transitions. Word has length 155 [2018-11-18 13:27:16,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:16,461 INFO L480 AbstractCegarLoop]: Abstraction has 1051 states and 1181 transitions. [2018-11-18 13:27:16,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:27:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1181 transitions. [2018-11-18 13:27:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 13:27:16,464 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:16,464 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:16,465 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:16,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:16,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1569083222, now seen corresponding path program 1 times [2018-11-18 13:27:16,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:16,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:16,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:16,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:16,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:27:16,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:16,573 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:16,573 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 13:27:16,574 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [146], [147], [184], [187], [191], [197], [198], [199], [200], [202], [205], [207], [209], [212], [214], [219], [225], [228], [232], [233], [237], [240], [242], [245], [255], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [280], [281], [282], [283], [284], [285], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [302], [303], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [326], [327], [328], [329] [2018-11-18 13:27:16,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:16,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:17,249 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:27:17,249 INFO L272 AbstractInterpreter]: Visited 128 different actions 425 times. Merged at 14 different actions 25 times. Never widened. Performed 14386 root evaluator evaluations with a maximum evaluation depth of 5. Performed 14386 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 4 fixpoints after 2 different actions. Largest state had 132 variables. [2018-11-18 13:27:17,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:17,251 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:27:17,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:17,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:27:17,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:17,257 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:27:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:17,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:27:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:27:17,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:27:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:27:17,732 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:27:17,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 13:27:17,732 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:27:17,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 13:27:17,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 13:27:17,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:27:17,733 INFO L87 Difference]: Start difference. First operand 1051 states and 1181 transitions. Second operand 15 states. [2018-11-18 13:27:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:19,528 INFO L93 Difference]: Finished difference Result 2487 states and 3168 transitions. [2018-11-18 13:27:19,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 13:27:19,528 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-11-18 13:27:19,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:19,529 INFO L225 Difference]: With dead ends: 2487 [2018-11-18 13:27:19,529 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:27:19,532 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 300 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 13:27:19,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:27:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:27:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:27:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:27:19,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-18 13:27:19,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:19,536 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:27:19,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 13:27:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:27:19,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:27:19,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:27:19,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:19,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:27:20,490 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2018-11-18 13:27:20,843 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-18 13:27:21,400 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-11-18 13:27:21,572 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2018-11-18 13:27:21,796 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2018-11-18 13:27:22,126 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2018-11-18 13:27:22,547 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-11-18 13:27:22,909 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-11-18 13:27:23,144 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2018-11-18 13:27:23,564 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2018-11-18 13:27:23,627 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-11-18 13:27:23,627 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-11-18 13:27:23,627 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-11-18 13:27:23,627 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-11-18 13:27:23,627 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-11-18 13:27:23,627 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,627 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-18 13:27:23,627 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-18 13:27:23,628 INFO L421 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,628 INFO L421 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,628 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-18 13:27:23,628 INFO L425 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-18 13:27:23,628 INFO L425 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-18 13:27:23,628 INFO L421 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,628 INFO L421 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,628 INFO L421 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,628 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L428 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-11-18 13:27:23,629 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-11-18 13:27:23,629 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L428 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L421 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-18 13:27:23,630 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L830-1(lines 830 875) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-18 13:27:23,631 INFO L421 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:27:23,631 INFO L425 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3) (and .cse5 .cse1 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:27:23,632 INFO L421 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3) (and .cse5 .cse1 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-11-18 13:27:23,632 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-11-18 13:27:23,632 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 13:27:23,633 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse3)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-11-18 13:27:23,633 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (or .cse1 .cse4) .cse6) (or .cse0 .cse7 .cse3 .cse2) (or .cse7 .cse5 .cse3 .cse6)))) [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L896-1(lines 896 910) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point L896-3(lines 896 910) the Hoare annotation is: true [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-18 13:27:23,634 INFO L425 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-18 13:27:23,634 INFO L428 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L428 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-18 13:27:23,635 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and (<= ~waterLevel~0 2) .cse15)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse11 (and .cse3 .cse15)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse2 (or .cse12 .cse6)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse13 (= ~waterLevel~0 2)) (.cse5 (= 1 ~waterLevel~0)) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse8 .cse9 .cse6) (or .cse4 .cse6 .cse5 .cse7 .cse10) (or .cse0 .cse1 .cse4 .cse6 .cse3) (or .cse0 .cse2 .cse9 .cse8) (or .cse4 .cse11 .cse9 .cse6 .cse10) (or .cse1 .cse2 .cse11 .cse10) (or .cse0 .cse5 .cse12 .cse6 .cse7) (or .cse4 .cse13 .cse6 .cse10 .cse14) (or (and (or .cse14 .cse2) (or .cse12 .cse6 .cse7)) (or (and .cse13 .cse15) (and .cse5 .cse15)) .cse10)))) [2018-11-18 13:27:23,635 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (or .cse8 .cse3)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (and .cse12 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and (or .cse6 .cse7) (or .cse8 .cse3 .cse4)) .cse9) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse10) .cse11 .cse3) (or .cse1 .cse3 .cse2 .cse4 .cse9) (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 .cse3 .cse12) (or .cse0 .cse7 .cse11 (and .cse12 (<= ~waterLevel~0 1) .cse10)) (or .cse13 .cse11 .cse7 .cse9) (or .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse1 .cse13 .cse11 .cse3 .cse9) (or .cse1 (= ~waterLevel~0 2) .cse3 .cse9 .cse6)))) [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L421 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 1)) (.cse15 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse19 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and (= 1 ~waterLevel~0) .cse6)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse0 (and .cse4 .cse19 .cse5)) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse2 (or .cse15 .cse9)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse18 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (and .cse4 .cse12)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse16 (and .cse4 .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse1 .cse7 .cse8 .cse9 .cse10) (or .cse7 .cse9 .cse8 .cse10 .cse11) (or .cse7 (and .cse12 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse9 .cse11 .cse13) (or .cse1 .cse14 .cse15 .cse9 .cse10) (or .cse1 .cse7 .cse16 .cse17 .cse3 .cse9) (or .cse18 .cse0 .cse16 .cse2 .cse11) (or (and .cse14 .cse6) (and (or .cse13 .cse2) (or .cse15 .cse9 .cse10)) (and .cse14 .cse19) .cse11) (or .cse18 .cse7 .cse17 .cse9 .cse11 .cse16)))) [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (or .cse9 .cse6)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse5 (and (<= ~waterLevel~0 2) .cse7)) (or .cse1 (and .cse3 .cse7) .cse2 .cse8) (or (and (or (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse9 .cse6 .cse10)) (and .cse7 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse8) (or .cse0 (= 1 ~waterLevel~0) .cse9 .cse6 .cse10) (or .cse4 .cse5 .cse6 .cse8)))) [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-18 13:27:23,635 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-11-18 13:27:23,635 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L421 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse4 .cse2 .cse6 .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2018-11-18 13:27:23,636 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L428 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-11-18 13:27:23,636 INFO L425 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-11-18 13:27:23,636 INFO L421 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-11-18 13:27:23,637 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5))) (and (or (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (or (and .cse0 (not (= |old(~waterLevel~0)| 2))) .cse1 .cse2 .cse3)) (or .cse4 (= 1 ~waterLevel~0) .cse1 .cse5 .cse0) (or .cse4 .cse6 .cse1 .cse7 .cse3) (or .cse6 .cse7 .cse1 .cse2 .cse3) (or .cse4 (< 2 |old(~waterLevel~0)|) .cse1 .cse3 (<= ~waterLevel~0 2))))) [2018-11-18 13:27:23,637 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-18 13:27:23,637 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-18 13:27:23,637 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-18 13:27:23,637 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-18 13:27:23,637 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:27:23,637 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 13:27:23,637 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:27:23,637 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:27:23,637 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,638 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-18 13:27:23,638 INFO L421 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-11-18 13:27:23,638 INFO L425 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-18 13:27:23,638 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse1 .cse2 .cse4 .cse7) (or .cse8 .cse9 .cse4 .cse5) (or .cse2 .cse4 .cse7 .cse5 .cse6) (or .cse1 .cse8 .cse9 .cse4))) [2018-11-18 13:27:23,638 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= ~waterLevel~0 1) .cse0) .cse5 .cse1 .cse2 (and .cse6 .cse0) .cse3) (or .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse9 .cse3 .cse4) (or .cse5 .cse8 .cse9 .cse3) (or .cse1 .cse3 .cse6 .cse4 (not (= ~waterLevel~0 2))) (or .cse5 .cse1 .cse3 .cse7))) [2018-11-18 13:27:23,638 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-18 13:27:23,638 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-18 13:27:23,638 INFO L425 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse10 (= 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (not (= |old(~waterLevel~0)| 2)) .cse6 .cse3 (or (= ~waterLevel~0 2) .cse8) .cse7) (or .cse5 (or .cse0 .cse6 .cse3) .cse4) (or .cse2 .cse8 .cse3 .cse9 .cse7) (or .cse6 .cse3 .cse9 .cse7 .cse10) (or .cse0 .cse2 (<= ~waterLevel~0 2) .cse5 .cse3) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse2 .cse10 .cse3 .cse9))) [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-18 13:27:23,639 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-18 13:27:23,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:27:23 BoogieIcfgContainer [2018-11-18 13:27:23,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:27:23,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:27:23,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:27:23,651 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:27:23,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:04" (3/4) ... [2018-11-18 13:27:23,655 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:27:23,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:27:23,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:27:23,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:27:23,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:27:23,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:27:23,678 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 13:27:23,681 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:27:23,682 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:27:23,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 13:27:23,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 13:27:23,735 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_612fc127-80ad-403a-8b7d-997c4a1c664f/bin-2019/utaipan/witness.graphml [2018-11-18 13:27:23,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:27:23,736 INFO L168 Benchmark]: Toolchain (without parser) took 20255.42 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 995.6 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -76.5 MB). Peak memory consumption was 919.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,736 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:27:23,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:27:23,737 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,737 INFO L168 Benchmark]: RCFGBuilder took 476.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,737 INFO L168 Benchmark]: TraceAbstraction took 19267.53 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 854.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,738 INFO L168 Benchmark]: Witness Printer took 84.19 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 348.8 kB). Peak memory consumption was 348.8 kB. Max. memory is 11.5 GB. [2018-11-18 13:27:23,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19267.53 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 854.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 84.19 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 348.8 kB). Peak memory consumption was 348.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 9.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2846 SDtfs, 2437 SDslu, 10454 SDs, 0 SdLazy, 4617 SolverSat, 1073 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1155 GetRequests, 949 SyntacticMatches, 20 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9981959127868973 AbsIntWeakeningRatio, 0.8896103896103896 AbsIntAvgWeakeningVarsNumRemoved, 44.48051948051948 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 136 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3708 PreInvPairs, 4056 NumberOfFragments, 3239 HoareAnnotationTreeSize, 3708 FomulaSimplifications, 7470 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 19139 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1774 NumberOfCodeBlocks, 1774 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2011 ConstructedInterpolants, 0 QuantifiedInterpolants, 385457 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1433 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 179/205 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...