./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_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_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/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 4db9bf450928b08b5e696709772fc7741fcab5a5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:26:48,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:26:48,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:26:48,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:26:48,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:26:48,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:26:48,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:26:48,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:26:48,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:26:48,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:26:48,160 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:26:48,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:26:48,161 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:26:48,162 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:26:48,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:26:48,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:26:48,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:26:48,164 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:26:48,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:26:48,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:26:48,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:26:48,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:26:48,168 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:26:48,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:26:48,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:26:48,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:26:48,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:26:48,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:26:48,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:26:48,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:26:48,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:26:48,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:26:48,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:26:48,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:26:48,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:26:48,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:26:48,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:26:48,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:26:48,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:26:48,183 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:26:48,183 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:26:48,183 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:26:48,184 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:26:48,184 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:26:48,184 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:26:48,184 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:26:48,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:26:48,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:26:48,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:26:48,187 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:26:48,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:26:48,187 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_361d32d6-a443-4a62-aba8-27fc7728bd16/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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2018-11-18 15:26:48,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:26:48,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:26:48,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:26:48,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:26:48,224 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:26:48,224 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 15:26:48,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/data/a1f8782c9/218304704d24420eb78dc38b4ba9b11f/FLAG81410bb1a [2018-11-18 15:26:48,690 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:26:48,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 15:26:48,698 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/data/a1f8782c9/218304704d24420eb78dc38b4ba9b11f/FLAG81410bb1a [2018-11-18 15:26:48,706 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/data/a1f8782c9/218304704d24420eb78dc38b4ba9b11f [2018-11-18 15:26:48,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:26:48,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:26:48,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:26:48,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:26:48,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:26:48,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:26:48" (1/1) ... [2018-11-18 15:26:48,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:48, skipping insertion in model container [2018-11-18 15:26:48,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:26:48" (1/1) ... [2018-11-18 15:26:48,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:26:48,754 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:26:48,947 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:26:48,955 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:26:49,063 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:26:49,086 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:26:49,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49 WrapperNode [2018-11-18 15:26:49,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:26:49,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:26:49,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:26:49,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:26:49,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:26:49,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:26:49,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:26:49,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:26:49,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... [2018-11-18 15:26:49,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:26:49,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:26:49,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:26:49,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:26:49,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/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 15:26:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:26:49,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:26:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:26:49,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:26:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:26:49,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:26:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:26:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:26:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:26:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:26:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:26:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:26:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:26:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:26:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:26:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:26:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:26:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:26:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:26:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:26:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:26:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:26:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:26:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:26:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:26:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:26:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:26:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:26:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:26:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:26:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:26:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:26:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:26:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:26:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:26:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:26:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:26:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:26:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:26:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:26:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:26:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:26:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:26:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:26:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:26:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:26:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:26:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:26:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:26:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:26:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:26:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:26:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:26:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:26:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:26:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:26:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:26:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:26:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:26:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:26:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:26:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:26:49,685 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:26:49,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:26:49 BoogieIcfgContainer [2018-11-18 15:26:49,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:26:49,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:26:49,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:26:49,689 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:26:49,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:26:48" (1/3) ... [2018-11-18 15:26:49,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1723d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:26:49, skipping insertion in model container [2018-11-18 15:26:49,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:26:49" (2/3) ... [2018-11-18 15:26:49,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1723d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:26:49, skipping insertion in model container [2018-11-18 15:26:49,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:26:49" (3/3) ... [2018-11-18 15:26:49,691 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 15:26:49,697 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:26:49,705 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:26:49,714 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:26:49,737 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:26:49,737 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:26:49,737 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:26:49,737 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:26:49,737 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:26:49,737 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:26:49,737 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:26:49,737 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:26:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2018-11-18 15:26:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:26:49,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:49,760 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] [2018-11-18 15:26:49,762 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:49,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:49,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1228003370, now seen corresponding path program 1 times [2018-11-18 15:26:49,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:49,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:49,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:49,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:49,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:49,976 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 15:26:49,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:26:49,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:26:49,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:49,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:26:49,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:26:49,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:26:49,996 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2018-11-18 15:26:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:50,036 INFO L93 Difference]: Finished difference Result 330 states and 407 transitions. [2018-11-18 15:26:50,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:26:50,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:26:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:50,048 INFO L225 Difference]: With dead ends: 330 [2018-11-18 15:26:50,048 INFO L226 Difference]: Without dead ends: 165 [2018-11-18 15:26:50,051 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 15:26:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-18 15:26:50,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-18 15:26:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 15:26:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 195 transitions. [2018-11-18 15:26:50,092 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 195 transitions. Word has length 46 [2018-11-18 15:26:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:50,092 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 195 transitions. [2018-11-18 15:26:50,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:26:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 195 transitions. [2018-11-18 15:26:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:26:50,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:50,094 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:26:50,094 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:50,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:50,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1972452978, now seen corresponding path program 1 times [2018-11-18 15:26:50,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:50,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:50,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,095 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:50,176 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 15:26:50,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:26:50,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:26:50,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:50,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:26:50,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:26:50,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:26:50,179 INFO L87 Difference]: Start difference. First operand 165 states and 195 transitions. Second operand 3 states. [2018-11-18 15:26:50,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:50,198 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2018-11-18 15:26:50,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:26:50,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:26:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:50,200 INFO L225 Difference]: With dead ends: 267 [2018-11-18 15:26:50,201 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 15:26:50,202 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 15:26:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 15:26:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 15:26:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 15:26:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-11-18 15:26:50,212 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 48 [2018-11-18 15:26:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:50,212 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-11-18 15:26:50,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:26:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-11-18 15:26:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:26:50,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:50,213 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:26:50,213 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:50,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:50,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1544565508, now seen corresponding path program 1 times [2018-11-18 15:26:50,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:50,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:50,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:50,321 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 15:26:50,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:26:50,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:26:50,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:50,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:26:50,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:26:50,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:26:50,323 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 7 states. [2018-11-18 15:26:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:50,789 INFO L93 Difference]: Finished difference Result 468 states and 567 transitions. [2018-11-18 15:26:50,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:26:50,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 15:26:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:50,792 INFO L225 Difference]: With dead ends: 468 [2018-11-18 15:26:50,792 INFO L226 Difference]: Without dead ends: 337 [2018-11-18 15:26:50,794 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:26:50,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-11-18 15:26:50,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 325. [2018-11-18 15:26:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-18 15:26:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 393 transitions. [2018-11-18 15:26:50,825 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 393 transitions. Word has length 53 [2018-11-18 15:26:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:50,825 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 393 transitions. [2018-11-18 15:26:50,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:26:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 393 transitions. [2018-11-18 15:26:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:26:50,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:50,829 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 15:26:50,830 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:50,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:50,831 INFO L82 PathProgramCache]: Analyzing trace with hash 209269618, now seen corresponding path program 1 times [2018-11-18 15:26:50,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:50,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:50,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:50,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:50,961 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 15:26:50,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:26:50,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:26:50,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:50,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:26:50,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:26:50,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:26:50,963 INFO L87 Difference]: Start difference. First operand 325 states and 393 transitions. Second operand 10 states. [2018-11-18 15:26:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:51,424 INFO L93 Difference]: Finished difference Result 1180 states and 1528 transitions. [2018-11-18 15:26:51,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:26:51,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 15:26:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:51,429 INFO L225 Difference]: With dead ends: 1180 [2018-11-18 15:26:51,429 INFO L226 Difference]: Without dead ends: 879 [2018-11-18 15:26:51,430 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:26:51,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-18 15:26:51,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 867. [2018-11-18 15:26:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-11-18 15:26:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1087 transitions. [2018-11-18 15:26:51,512 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1087 transitions. Word has length 58 [2018-11-18 15:26:51,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:51,513 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1087 transitions. [2018-11-18 15:26:51,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:26:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1087 transitions. [2018-11-18 15:26:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 15:26:51,517 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:51,517 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] [2018-11-18 15:26:51,517 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:51,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1472972216, now seen corresponding path program 1 times [2018-11-18 15:26:51,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:51,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:51,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:51,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:51,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:51,599 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 15:26:51,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:26:51,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:26:51,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:51,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:26:51,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:26:51,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:26:51,600 INFO L87 Difference]: Start difference. First operand 867 states and 1087 transitions. Second operand 4 states. [2018-11-18 15:26:51,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:51,985 INFO L93 Difference]: Finished difference Result 2188 states and 2944 transitions. [2018-11-18 15:26:51,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:26:51,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 15:26:51,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:51,994 INFO L225 Difference]: With dead ends: 2188 [2018-11-18 15:26:51,994 INFO L226 Difference]: Without dead ends: 1345 [2018-11-18 15:26:51,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:26:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2018-11-18 15:26:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1198. [2018-11-18 15:26:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2018-11-18 15:26:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1483 transitions. [2018-11-18 15:26:52,060 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1483 transitions. Word has length 62 [2018-11-18 15:26:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:52,060 INFO L480 AbstractCegarLoop]: Abstraction has 1198 states and 1483 transitions. [2018-11-18 15:26:52,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:26:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1483 transitions. [2018-11-18 15:26:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:26:52,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:52,063 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:52,063 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:52,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:52,063 INFO L82 PathProgramCache]: Analyzing trace with hash 467227798, now seen corresponding path program 1 times [2018-11-18 15:26:52,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:52,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:52,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:52,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:52,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:26:52,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:52,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:52,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 92 with the following transitions: [2018-11-18 15:26:52,173 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [113], [117], [123], [127], [131], [134], [139], [145], [147], [153], [156], [159], [171], [172], [195], [196], [211], [218], [221], [256], [283], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [319], [331], [332], [337], [338], [339], [340], [353], [354], [359], [360], [361] [2018-11-18 15:26:52,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:52,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:52,644 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:52,645 INFO L272 AbstractInterpreter]: Visited 68 different actions 80 times. Merged at 7 different actions 7 times. Never widened. Performed 3147 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 15:26:52,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:52,663 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:52,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:52,663 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/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 15:26:52,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:52,675 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:52,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:26:52,855 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:26:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:26:53,029 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:26:53,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-18 15:26:53,029 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:26:53,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:26:53,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:26:53,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:26:53,031 INFO L87 Difference]: Start difference. First operand 1198 states and 1483 transitions. Second operand 12 states. [2018-11-18 15:26:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:55,741 INFO L93 Difference]: Finished difference Result 2782 states and 3706 transitions. [2018-11-18 15:26:55,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 15:26:55,742 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2018-11-18 15:26:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:55,747 INFO L225 Difference]: With dead ends: 2782 [2018-11-18 15:26:55,747 INFO L226 Difference]: Without dead ends: 1905 [2018-11-18 15:26:55,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 186 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=645, Invalid=2547, Unknown=0, NotChecked=0, Total=3192 [2018-11-18 15:26:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2018-11-18 15:26:55,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1680. [2018-11-18 15:26:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-18 15:26:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2106 transitions. [2018-11-18 15:26:55,808 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2106 transitions. Word has length 91 [2018-11-18 15:26:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:55,809 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2106 transitions. [2018-11-18 15:26:55,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:26:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2106 transitions. [2018-11-18 15:26:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:26:55,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:55,813 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:55,813 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:55,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1235251089, now seen corresponding path program 1 times [2018-11-18 15:26:55,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:55,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:55,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:55,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:55,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:26:55,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:55,890 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:55,891 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 15:26:55,891 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [90], [92], [93], [96], [98], [104], [108], [111], [112], [113], [117], [123], [127], [131], [137], [139], [145], [147], [153], [159], [167], [168], [169], [170], [171], [172], [173], [175], [180], [183], [184], [186], [189], [193], [194], [195], [196], [204], [205], [208], [211], [215], [221], [251], [255], [256], [260], [263], [265], [268], [275], [278], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [311], [312], [313], [314], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [339], [340], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 15:26:55,894 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:55,895 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:56,863 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:56,863 INFO L272 AbstractInterpreter]: Visited 138 different actions 516 times. Merged at 18 different actions 34 times. Never widened. Performed 17598 root evaluator evaluations with a maximum evaluation depth of 5. Performed 17598 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 15:26:56,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:56,864 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:56,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:56,865 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/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 15:26:56,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:56,871 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:56,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 15:26:56,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:26:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:26:57,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:26:57,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2018-11-18 15:26:57,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:57,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:26:57,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:26:57,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:26:57,154 INFO L87 Difference]: Start difference. First operand 1680 states and 2106 transitions. Second operand 6 states. [2018-11-18 15:26:57,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:57,205 INFO L93 Difference]: Finished difference Result 3392 states and 4494 transitions. [2018-11-18 15:26:57,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:26:57,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-18 15:26:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:57,215 INFO L225 Difference]: With dead ends: 3392 [2018-11-18 15:26:57,215 INFO L226 Difference]: Without dead ends: 1736 [2018-11-18 15:26:57,219 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 341 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:26:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2018-11-18 15:26:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1720. [2018-11-18 15:26:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2018-11-18 15:26:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2150 transitions. [2018-11-18 15:26:57,274 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2150 transitions. Word has length 172 [2018-11-18 15:26:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:57,275 INFO L480 AbstractCegarLoop]: Abstraction has 1720 states and 2150 transitions. [2018-11-18 15:26:57,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:26:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2150 transitions. [2018-11-18 15:26:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:26:57,278 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:57,279 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:57,279 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:57,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:57,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1217240493, now seen corresponding path program 1 times [2018-11-18 15:26:57,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:57,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:57,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:57,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:57,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:26:57,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:57,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:57,372 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 15:26:57,372 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [90], [92], [93], [96], [98], [104], [108], [111], [112], [113], [117], [123], [127], [131], [137], [139], [145], [147], [153], [159], [167], [168], [169], [170], [171], [172], [173], [175], [180], [183], [184], [186], [191], [193], [194], [195], [196], [204], [205], [208], [211], [215], [221], [251], [255], [256], [260], [263], [265], [268], [275], [278], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [311], [312], [313], [314], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [339], [340], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 15:26:57,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:57,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:58,055 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:58,055 INFO L272 AbstractInterpreter]: Visited 138 different actions 518 times. Merged at 18 different actions 36 times. Never widened. Performed 14286 root evaluator evaluations with a maximum evaluation depth of 5. Performed 14286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-18 15:26:58,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:58,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:58,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:58,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:26:58,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:58,082 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:58,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 15:26:58,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:26:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:26:58,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:26:58,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2018-11-18 15:26:58,430 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:26:58,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:26:58,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:26:58,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:26:58,431 INFO L87 Difference]: Start difference. First operand 1720 states and 2150 transitions. Second operand 5 states. [2018-11-18 15:26:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:26:58,475 INFO L93 Difference]: Finished difference Result 3135 states and 4040 transitions. [2018-11-18 15:26:58,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:26:58,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-11-18 15:26:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:26:58,480 INFO L225 Difference]: With dead ends: 3135 [2018-11-18 15:26:58,480 INFO L226 Difference]: Without dead ends: 1439 [2018-11-18 15:26:58,483 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:26:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2018-11-18 15:26:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1439. [2018-11-18 15:26:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1439 states. [2018-11-18 15:26:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1800 transitions. [2018-11-18 15:26:58,566 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1800 transitions. Word has length 172 [2018-11-18 15:26:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:26:58,566 INFO L480 AbstractCegarLoop]: Abstraction has 1439 states and 1800 transitions. [2018-11-18 15:26:58,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:26:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1800 transitions. [2018-11-18 15:26:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 15:26:58,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:26:58,568 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:58,568 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:26:58,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:58,569 INFO L82 PathProgramCache]: Analyzing trace with hash 622170322, now seen corresponding path program 1 times [2018-11-18 15:26:58,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:26:58,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:58,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:58,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:26:58,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:26:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:26:58,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:58,686 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:26:58,686 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-18 15:26:58,686 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [91], [92], [93], [96], [98], [104], [108], [111], [112], [113], [117], [123], [127], [131], [134], [137], [139], [145], [147], [153], [159], [167], [168], [169], [170], [171], [172], [173], [175], [180], [183], [184], [186], [191], [193], [194], [195], [196], [204], [205], [208], [211], [215], [221], [251], [255], [256], [260], [263], [265], [268], [275], [278], [283], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [311], [312], [313], [314], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [339], [340], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 15:26:58,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:26:58,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:26:59,593 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:26:59,593 INFO L272 AbstractInterpreter]: Visited 143 different actions 695 times. Merged at 17 different actions 48 times. Never widened. Performed 21605 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21605 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 15:26:59,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:26:59,598 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:26:59,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:26:59,598 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:26:59,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:26:59,607 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:26:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:26:59,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:26:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:26:59,853 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:27:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:27:00,066 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:27:00,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2018-11-18 15:27:00,066 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:27:00,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 15:27:00,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 15:27:00,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:27:00,067 INFO L87 Difference]: Start difference. First operand 1439 states and 1800 transitions. Second operand 14 states. [2018-11-18 15:27:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:27:01,986 INFO L93 Difference]: Finished difference Result 3262 states and 4413 transitions. [2018-11-18 15:27:01,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 15:27:01,988 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 176 [2018-11-18 15:27:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:27:01,997 INFO L225 Difference]: With dead ends: 3262 [2018-11-18 15:27:01,997 INFO L226 Difference]: Without dead ends: 2019 [2018-11-18 15:27:02,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 347 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 15:27:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2018-11-18 15:27:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1691. [2018-11-18 15:27:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2018-11-18 15:27:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2100 transitions. [2018-11-18 15:27:02,096 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2100 transitions. Word has length 176 [2018-11-18 15:27:02,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:27:02,097 INFO L480 AbstractCegarLoop]: Abstraction has 1691 states and 2100 transitions. [2018-11-18 15:27:02,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 15:27:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2100 transitions. [2018-11-18 15:27:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 15:27:02,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:27:02,102 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:02,103 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:27:02,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:02,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1671720499, now seen corresponding path program 1 times [2018-11-18 15:27:02,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:27:02,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:02,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:02,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:02,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:27:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:27:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 15:27:02,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:27:02,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:27:02,251 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-18 15:27:02,251 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [74], [76], [77], [78], [81], [83], [84], [87], [91], [92], [93], [96], [98], [104], [108], [111], [112], [113], [117], [123], [127], [131], [134], [137], [139], [145], [147], [153], [159], [167], [168], [169], [170], [171], [172], [173], [175], [180], [183], [184], [186], [191], [193], [194], [195], [196], [204], [205], [208], [211], [215], [221], [251], [255], [256], [260], [263], [265], [268], [275], [278], [283], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [311], [312], [313], [314], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [339], [340], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [359], [360], [361], [363], [364], [365], [366], [369], [370] [2018-11-18 15:27:02,253 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:27:02,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:27:03,482 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:27:03,482 INFO L272 AbstractInterpreter]: Visited 144 different actions 713 times. Merged at 22 different actions 63 times. Never widened. Performed 21298 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21298 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 4 different actions. Largest state had 133 variables. [2018-11-18 15:27:03,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:03,484 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:27:03,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:27:03,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:27:03,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:03,492 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:27:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:27:03,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:27:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 15:27:03,620 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:27:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 15:27:03,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:27:03,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 15:27:03,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:27:03,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:27:03,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:27:03,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:27:03,832 INFO L87 Difference]: Start difference. First operand 1691 states and 2100 transitions. Second operand 6 states. [2018-11-18 15:27:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:27:03,869 INFO L93 Difference]: Finished difference Result 2282 states and 2834 transitions. [2018-11-18 15:27:03,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:27:03,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 247 [2018-11-18 15:27:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:27:03,871 INFO L225 Difference]: With dead ends: 2282 [2018-11-18 15:27:03,871 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:27:03,875 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 489 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:27:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:27:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:27:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:27:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:27:03,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2018-11-18 15:27:03,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:27:03,876 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:27:03,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:27:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:27:03,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:27:03,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:27:03,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:03,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:04,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:27:06,018 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2018-11-18 15:27:06,018 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2018-11-18 15:27:06,018 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2018-11-18 15:27:06,018 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2018-11-18 15:27:06,018 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2018-11-18 15:27:06,018 INFO L428 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-11-18 15:27:06,018 INFO L425 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-18 15:27:06,018 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-11-18 15:27:06,018 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-11-18 15:27:06,018 INFO L421 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L421 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 15:27:06,019 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,019 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,019 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,019 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,019 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-11-18 15:27:06,020 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (and (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-18 15:27:06,020 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L428 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2018-11-18 15:27:06,021 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 15:27:06,021 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L428 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2018-11-18 15:27:06,022 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2018-11-18 15:27:06,022 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L421 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,023 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L421 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:27:06,023 INFO L421 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-11-18 15:27:06,023 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-11-18 15:27:06,024 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:27:06,024 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,024 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-11-18 15:27:06,024 INFO L421 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:27:06,024 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-11-18 15:27:06,024 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-11-18 15:27:06,024 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-11-18 15:27:06,024 INFO L421 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:27:06,024 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-11-18 15:27:06,024 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point L193-1(lines 193 242) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L421 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:27:06,025 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L421 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-11-18 15:27:06,025 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:27:06,025 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:27:06,026 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 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L421 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2018-11-18 15:27:06,026 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:27:06,026 INFO L421 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L428 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2018-11-18 15:27:06,027 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2018-11-18 15:27:06,027 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2018-11-18 15:27:06,028 INFO L425 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2018-11-18 15:27:06,028 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2018-11-18 15:27:06,028 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2018-11-18 15:27:06,028 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2018-11-18 15:27:06,028 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse4)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or (and .cse1 .cse2) .cse0 .cse5)))) [2018-11-18 15:27:06,028 INFO L421 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0))) (and (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not .cse1) .cse2) (< |old(~waterLevel~0)| 1) (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse3) (and (= 0 ~pumpRunning~0) .cse3))))) [2018-11-18 15:27:06,028 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-18 15:27:06,028 INFO L421 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-18 15:27:06,028 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 15:27:06,029 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 15:27:06,029 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 15:27:06,029 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-18 15:27:06,030 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2018-11-18 15:27:06,030 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-18 15:27:06,030 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L421 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse0))) [2018-11-18 15:27:06,031 INFO L421 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L421 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L425 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2018-11-18 15:27:06,031 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-18 15:27:06,032 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 15:27:06,032 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-11-18 15:27:06,032 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-18 15:27:06,032 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 15:27:06,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:27:06 BoogieIcfgContainer [2018-11-18 15:27:06,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:27:06,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:27:06,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:27:06,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:27:06,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:26:49" (3/4) ... [2018-11-18 15:27:06,045 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:27:06,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:27:06,050 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:27:06,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:27:06,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:27:06,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:27:06,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:27:06,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:27:06,058 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 15:27:06,058 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:27:06,059 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:27:06,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 15:27:06,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:27:06,115 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_361d32d6-a443-4a62-aba8-27fc7728bd16/bin-2019/utaipan/witness.graphml [2018-11-18 15:27:06,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:27:06,116 INFO L168 Benchmark]: Toolchain (without parser) took 17407.62 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 911.7 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). Peak memory consumption was 657.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:06,117 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:27:06,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:06,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.90 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 15:27:06,117 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 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 15:27:06,117 INFO L168 Benchmark]: RCFGBuilder took 546.26 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:06,117 INFO L168 Benchmark]: TraceAbstraction took 16354.53 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 756.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -162.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:27:06,118 INFO L168 Benchmark]: Witness Printer took 73.84 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:06,119 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.90 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 29.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 546.26 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16354.53 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 756.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -162.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 73.84 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 178 locations, 1 error locations. SAFE Result, 16.3s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2112 SDtfs, 2853 SDslu, 5532 SDs, 0 SdLazy, 6377 SolverSat, 1884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1896 GetRequests, 1726 SyntacticMatches, 26 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1720occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 740 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 3995 PreInvPairs, 4106 NumberOfFragments, 1156 HoareAnnotationTreeSize, 3995 FomulaSimplifications, 10488 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 74 FomulaSimplificationsInter, 11218 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1983 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2821 ConstructedInterpolants, 0 QuantifiedInterpolants, 634120 SizeOfPredicates, 20 NumberOfNonLiveVariables, 4167 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 831/918 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...