./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/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 8271090c98217a098933d4a7a6aa5b00a536c5c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:45:20,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:45:20,138 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:45:20,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:45:20,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:45:20,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:45:20,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:45:20,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:45:20,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:45:20,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:45:20,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:45:20,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:45:20,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:45:20,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:45:20,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:45:20,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:45:20,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:45:20,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:45:20,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:45:20,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:45:20,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:45:20,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:45:20,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:45:20,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:45:20,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:45:20,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:45:20,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:45:20,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:45:20,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:45:20,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:45:20,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:45:20,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:45:20,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:45:20,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:45:20,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:45:20,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:45:20,166 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 21:45:20,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:45:20,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:45:20,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:45:20,175 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:45:20,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 21:45:20,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 21:45:20,175 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 21:45:20,176 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 21:45:20,177 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:45:20,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:45:20,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:45:20,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:45:20,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:45:20,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:45:20,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:45:20,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:45:20,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:45:20,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:45:20,180 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 21:45:20,180 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:45:20,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:45:20,180 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:45:20,180 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_1d737b2b-2228-4758-af98-b1614c8d50e9/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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-11-22 21:45:20,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:45:20,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:45:20,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:45:20,218 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:45:20,218 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:45:20,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-22 21:45:20,261 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/data/4b664370b/2284de8824ad44148e68af4b7a549564/FLAGb1e9948c1 [2018-11-22 21:45:20,625 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:45:20,625 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-22 21:45:20,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/data/4b664370b/2284de8824ad44148e68af4b7a549564/FLAGb1e9948c1 [2018-11-22 21:45:20,644 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/data/4b664370b/2284de8824ad44148e68af4b7a549564 [2018-11-22 21:45:20,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:45:20,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:45:20,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:45:20,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:45:20,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:45:20,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:45:20" (1/1) ... [2018-11-22 21:45:20,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:20, skipping insertion in model container [2018-11-22 21:45:20,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:45:20" (1/1) ... [2018-11-22 21:45:20,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:45:20,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:45:20,898 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:45:20,907 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:45:21,011 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:45:21,033 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:45:21,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21 WrapperNode [2018-11-22 21:45:21,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:45:21,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:45:21,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:45:21,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:45:21,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:45:21,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:45:21,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:45:21,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:45:21,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... [2018-11-22 21:45:21,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:45:21,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:45:21,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:45:21,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:45:21,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/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 [2018-11-22 21:45:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 21:45:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 21:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:45:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 21:45:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 21:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 21:45:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 21:45:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 21:45:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 21:45:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 21:45:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 21:45:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 21:45:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 21:45:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 21:45:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 21:45:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 21:45:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 21:45:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 21:45:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 21:45:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 21:45:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 21:45:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 21:45:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 21:45:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 21:45:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 21:45:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 21:45:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 21:45:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 21:45:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 21:45:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 21:45:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 21:45:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 21:45:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 21:45:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:45:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 21:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 21:45:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 21:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 21:45:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 21:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 21:45:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 21:45:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 21:45:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 21:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 21:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-22 21:45:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-22 21:45:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 21:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 21:45:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:45:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:45:21,539 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:45:21,539 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 21:45:21,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:45:21 BoogieIcfgContainer [2018-11-22 21:45:21,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:45:21,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:45:21,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:45:21,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:45:21,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:45:20" (1/3) ... [2018-11-22 21:45:21,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200d1cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:45:21, skipping insertion in model container [2018-11-22 21:45:21,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:45:21" (2/3) ... [2018-11-22 21:45:21,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200d1cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:45:21, skipping insertion in model container [2018-11-22 21:45:21,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:45:21" (3/3) ... [2018-11-22 21:45:21,544 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-22 21:45:21,550 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:45:21,556 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:45:21,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:45:21,587 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:45:21,587 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:45:21,587 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:45:21,587 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:45:21,587 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:45:21,588 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:45:21,588 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:45:21,588 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:45:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-22 21:45:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:21,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:21,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:21,612 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:21,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:21,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1860578828, now seen corresponding path program 1 times [2018-11-22 21:45:21,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:21,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:21,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:21,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:21,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:21,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:21,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 21:45:21,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:21,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 21:45:21,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 21:45:21,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 21:45:21,818 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-22 21:45:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:21,851 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-11-22 21:45:21,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 21:45:21,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-22 21:45:21,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:21,862 INFO L225 Difference]: With dead ends: 272 [2018-11-22 21:45:21,862 INFO L226 Difference]: Without dead ends: 136 [2018-11-22 21:45:21,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 21:45:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-22 21:45:21,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-22 21:45:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-22 21:45:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2018-11-22 21:45:21,907 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 52 [2018-11-22 21:45:21,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:21,908 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2018-11-22 21:45:21,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 21:45:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2018-11-22 21:45:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:21,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:21,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:21,911 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:21,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:21,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1322586247, now seen corresponding path program 1 times [2018-11-22 21:45:21,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:21,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:21,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:21,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:21,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:21,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:21,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:45:21,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:21,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:45:21,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:45:21,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:45:21,993 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand 3 states. [2018-11-22 21:45:22,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:22,013 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-11-22 21:45:22,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:45:22,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-22 21:45:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:22,020 INFO L225 Difference]: With dead ends: 221 [2018-11-22 21:45:22,020 INFO L226 Difference]: Without dead ends: 127 [2018-11-22 21:45:22,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:45:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-22 21:45:22,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-22 21:45:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-22 21:45:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-11-22 21:45:22,030 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2018-11-22 21:45:22,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:22,031 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-11-22 21:45:22,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:45:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-11-22 21:45:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:45:22,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:22,032 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:22,032 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:22,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:22,033 INFO L82 PathProgramCache]: Analyzing trace with hash 462616749, now seen corresponding path program 1 times [2018-11-22 21:45:22,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:22,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:22,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:22,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:22,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:45:22,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:22,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:45:22,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:45:22,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:45:22,102 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 3 states. [2018-11-22 21:45:22,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:22,124 INFO L93 Difference]: Finished difference Result 230 states and 275 transitions. [2018-11-22 21:45:22,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:45:22,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-22 21:45:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:22,126 INFO L225 Difference]: With dead ends: 230 [2018-11-22 21:45:22,126 INFO L226 Difference]: Without dead ends: 127 [2018-11-22 21:45:22,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:45:22,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-22 21:45:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-22 21:45:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-22 21:45:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-11-22 21:45:22,139 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2018-11-22 21:45:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:22,139 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-11-22 21:45:22,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:45:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-11-22 21:45:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 21:45:22,142 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:22,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:22,143 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:22,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:22,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1347282160, now seen corresponding path program 1 times [2018-11-22 21:45:22,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:22,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:22,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:22,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:22,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 21:45:22,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:22,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 21:45:22,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 21:45:22,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:45:22,251 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2018-11-22 21:45:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:22,668 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2018-11-22 21:45:22,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:45:22,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-22 21:45:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:22,671 INFO L225 Difference]: With dead ends: 343 [2018-11-22 21:45:22,671 INFO L226 Difference]: Without dead ends: 240 [2018-11-22 21:45:22,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:45:22,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-22 21:45:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 222. [2018-11-22 21:45:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-22 21:45:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-11-22 21:45:22,695 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 70 [2018-11-22 21:45:22,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:22,700 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-11-22 21:45:22,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 21:45:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-11-22 21:45:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-22 21:45:22,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:22,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:22,702 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:22,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1274279089, now seen corresponding path program 1 times [2018-11-22 21:45:22,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:22,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:22,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:22,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:22,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:45:22,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:22,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:45:22,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:45:22,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:45:22,805 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 6 states. [2018-11-22 21:45:22,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:22,969 INFO L93 Difference]: Finished difference Result 546 states and 657 transitions. [2018-11-22 21:45:22,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:45:22,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-22 21:45:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:22,974 INFO L225 Difference]: With dead ends: 546 [2018-11-22 21:45:22,974 INFO L226 Difference]: Without dead ends: 348 [2018-11-22 21:45:22,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:45:22,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-11-22 21:45:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2018-11-22 21:45:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-11-22 21:45:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 400 transitions. [2018-11-22 21:45:22,996 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 400 transitions. Word has length 84 [2018-11-22 21:45:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:22,996 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 400 transitions. [2018-11-22 21:45:22,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:45:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 400 transitions. [2018-11-22 21:45:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-22 21:45:22,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:22,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:22,998 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:22,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1982194633, now seen corresponding path program 1 times [2018-11-22 21:45:22,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:22,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:23,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:23,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:45:23,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:23,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:45:23,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:45:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:45:23,099 INFO L87 Difference]: Start difference. First operand 344 states and 400 transitions. Second operand 6 states. [2018-11-22 21:45:23,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:23,239 INFO L93 Difference]: Finished difference Result 735 states and 889 transitions. [2018-11-22 21:45:23,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:45:23,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-22 21:45:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:23,243 INFO L225 Difference]: With dead ends: 735 [2018-11-22 21:45:23,243 INFO L226 Difference]: Without dead ends: 537 [2018-11-22 21:45:23,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:45:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-11-22 21:45:23,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 519. [2018-11-22 21:45:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-11-22 21:45:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 617 transitions. [2018-11-22 21:45:23,274 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 617 transitions. Word has length 88 [2018-11-22 21:45:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:23,275 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 617 transitions. [2018-11-22 21:45:23,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:45:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 617 transitions. [2018-11-22 21:45:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-22 21:45:23,276 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:23,276 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:23,276 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:23,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1059511050, now seen corresponding path program 1 times [2018-11-22 21:45:23,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:23,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:23,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:23,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:23,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 21:45:23,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:23,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 21:45:23,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 21:45:23,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:45:23,327 INFO L87 Difference]: Start difference. First operand 519 states and 617 transitions. Second operand 5 states. [2018-11-22 21:45:23,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:23,355 INFO L93 Difference]: Finished difference Result 902 states and 1094 transitions. [2018-11-22 21:45:23,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 21:45:23,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-22 21:45:23,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:23,359 INFO L225 Difference]: With dead ends: 902 [2018-11-22 21:45:23,359 INFO L226 Difference]: Without dead ends: 529 [2018-11-22 21:45:23,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:45:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-22 21:45:23,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-11-22 21:45:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-22 21:45:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2018-11-22 21:45:23,387 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 88 [2018-11-22 21:45:23,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:23,387 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2018-11-22 21:45:23,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 21:45:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2018-11-22 21:45:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-22 21:45:23,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:23,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:23,390 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:23,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:23,390 INFO L82 PathProgramCache]: Analyzing trace with hash 215505548, now seen corresponding path program 1 times [2018-11-22 21:45:23,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:23,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:23,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:45:23,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:23,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 21:45:23,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:23,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:45:23,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:45:23,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:45:23,472 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 9 states. [2018-11-22 21:45:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:23,535 INFO L93 Difference]: Finished difference Result 1039 states and 1258 transitions. [2018-11-22 21:45:23,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 21:45:23,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-22 21:45:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:23,538 INFO L225 Difference]: With dead ends: 1039 [2018-11-22 21:45:23,538 INFO L226 Difference]: Without dead ends: 540 [2018-11-22 21:45:23,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:45:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-11-22 21:45:23,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 530. [2018-11-22 21:45:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-22 21:45:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 627 transitions. [2018-11-22 21:45:23,566 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 627 transitions. Word has length 88 [2018-11-22 21:45:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:23,566 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 627 transitions. [2018-11-22 21:45:23,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:45:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 627 transitions. [2018-11-22 21:45:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-22 21:45:23,568 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:23,568 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:23,568 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:23,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:23,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1682882973, now seen corresponding path program 1 times [2018-11-22 21:45:23,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:23,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:45:23,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:23,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:45:23,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-11-22 21:45:23,657 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [99], [105], [107], [110], [127], [128], [129], [131], [134], [139], [140], [142], [147], [149], [150], [151], [152], [165], [169], [202], [203], [204], [206], [211], [213], [216], [218], [223], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [279], [280], [281], [282], [285], [289], [290], [293], [294], [297], [298], [299], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-11-22 21:45:23,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:45:23,686 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:45:24,062 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:45:24,063 INFO L272 AbstractInterpreter]: Visited 72 different actions 72 times. Never merged. Never widened. Performed 2465 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2465 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-22 21:45:24,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:24,084 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:45:24,266 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 96.71% of their original sizes. [2018-11-22 21:45:24,266 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:45:24,354 INFO L415 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-11-22 21:45:24,354 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:45:24,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:45:24,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2018-11-22 21:45:24,354 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:24,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 21:45:24,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 21:45:24,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-11-22 21:45:24,355 INFO L87 Difference]: Start difference. First operand 530 states and 627 transitions. Second operand 15 states. [2018-11-22 21:45:26,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:26,067 INFO L93 Difference]: Finished difference Result 1163 states and 1400 transitions. [2018-11-22 21:45:26,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-22 21:45:26,068 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-11-22 21:45:26,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:26,070 INFO L225 Difference]: With dead ends: 1163 [2018-11-22 21:45:26,070 INFO L226 Difference]: Without dead ends: 657 [2018-11-22 21:45:26,071 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-11-22 21:45:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-11-22 21:45:26,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 653. [2018-11-22 21:45:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-11-22 21:45:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 772 transitions. [2018-11-22 21:45:26,092 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 772 transitions. Word has length 100 [2018-11-22 21:45:26,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:26,092 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 772 transitions. [2018-11-22 21:45:26,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 21:45:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 772 transitions. [2018-11-22 21:45:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 21:45:26,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:26,094 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:26,095 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:26,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:26,095 INFO L82 PathProgramCache]: Analyzing trace with hash -506496737, now seen corresponding path program 1 times [2018-11-22 21:45:26,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:45:26,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:26,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 21:45:26,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:26,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:45:26,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:45:26,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:45:26,181 INFO L87 Difference]: Start difference. First operand 653 states and 772 transitions. Second operand 10 states. [2018-11-22 21:45:26,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:26,307 INFO L93 Difference]: Finished difference Result 1614 states and 1972 transitions. [2018-11-22 21:45:26,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 21:45:26,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-22 21:45:26,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:26,311 INFO L225 Difference]: With dead ends: 1614 [2018-11-22 21:45:26,311 INFO L226 Difference]: Without dead ends: 1108 [2018-11-22 21:45:26,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:45:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-11-22 21:45:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1090. [2018-11-22 21:45:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2018-11-22 21:45:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1293 transitions. [2018-11-22 21:45:26,344 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1293 transitions. Word has length 104 [2018-11-22 21:45:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:26,345 INFO L480 AbstractCegarLoop]: Abstraction has 1090 states and 1293 transitions. [2018-11-22 21:45:26,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:45:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1293 transitions. [2018-11-22 21:45:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 21:45:26,346 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:26,346 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:45:26,346 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:26,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:26,347 INFO L82 PathProgramCache]: Analyzing trace with hash 904531589, now seen corresponding path program 1 times [2018-11-22 21:45:26,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:26,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:26,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:45:26,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:45:26,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 21:45:26,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:26,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:45:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:45:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:45:26,424 INFO L87 Difference]: Start difference. First operand 1090 states and 1293 transitions. Second operand 10 states. [2018-11-22 21:45:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:26,553 INFO L93 Difference]: Finished difference Result 2039 states and 2424 transitions. [2018-11-22 21:45:26,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 21:45:26,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-22 21:45:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:26,557 INFO L225 Difference]: With dead ends: 2039 [2018-11-22 21:45:26,557 INFO L226 Difference]: Without dead ends: 1096 [2018-11-22 21:45:26,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:45:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-11-22 21:45:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1068. [2018-11-22 21:45:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-11-22 21:45:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1231 transitions. [2018-11-22 21:45:26,591 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1231 transitions. Word has length 104 [2018-11-22 21:45:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:26,592 INFO L480 AbstractCegarLoop]: Abstraction has 1068 states and 1231 transitions. [2018-11-22 21:45:26,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:45:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1231 transitions. [2018-11-22 21:45:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 21:45:26,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:26,595 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-11-22 21:45:26,595 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:26,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:26,595 INFO L82 PathProgramCache]: Analyzing trace with hash 548965287, now seen corresponding path program 1 times [2018-11-22 21:45:26,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:26,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:26,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:26,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:26,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:26,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:45:26,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-22 21:45:26,663 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [105], [107], [110], [125], [126], [127], [128], [129], [131], [136], [139], [140], [142], [145], [149], [150], [151], [152], [162], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [232], [236], [237], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-11-22 21:45:26,667 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:45:26,667 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:45:26,819 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:45:26,819 INFO L272 AbstractInterpreter]: Visited 93 different actions 95 times. Never merged. Never widened. Performed 2862 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-22 21:45:26,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:26,821 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:45:26,987 INFO L227 lantSequenceWeakener]: Weakened 114 states. On average, predicates are now at 96.74% of their original sizes. [2018-11-22 21:45:26,987 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:45:27,176 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-22 21:45:27,177 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:45:27,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:45:27,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-22 21:45:27,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:27,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-22 21:45:27,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-22 21:45:27,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2018-11-22 21:45:27,178 INFO L87 Difference]: Start difference. First operand 1068 states and 1231 transitions. Second operand 27 states. [2018-11-22 21:45:31,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:31,005 INFO L93 Difference]: Finished difference Result 2159 states and 2506 transitions. [2018-11-22 21:45:31,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 21:45:31,005 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 147 [2018-11-22 21:45:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:31,009 INFO L225 Difference]: With dead ends: 2159 [2018-11-22 21:45:31,010 INFO L226 Difference]: Without dead ends: 1115 [2018-11-22 21:45:31,012 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2018-11-22 21:45:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-11-22 21:45:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1099. [2018-11-22 21:45:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-11-22 21:45:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1258 transitions. [2018-11-22 21:45:31,059 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1258 transitions. Word has length 147 [2018-11-22 21:45:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:31,060 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1258 transitions. [2018-11-22 21:45:31,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-22 21:45:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1258 transitions. [2018-11-22 21:45:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-22 21:45:31,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:31,064 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-11-22 21:45:31,064 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:31,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:31,064 INFO L82 PathProgramCache]: Analyzing trace with hash -339982134, now seen corresponding path program 1 times [2018-11-22 21:45:31,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:31,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:31,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:31,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:31,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:45:31,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:31,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:45:31,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-22 21:45:31,145 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [97], [99], [105], [107], [110], [125], [126], [127], [128], [129], [131], [136], [139], [140], [142], [147], [149], [150], [151], [152], [162], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [232], [236], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [273], [274], [275], [276], [279], [280], [281], [282], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-11-22 21:45:31,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:45:31,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:45:31,464 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:45:31,464 INFO L272 AbstractInterpreter]: Visited 106 different actions 128 times. Merged at 5 different actions 5 times. Never widened. Performed 6561 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6561 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-22 21:45:31,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:31,472 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:45:31,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:31,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/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 [2018-11-22 21:45:31,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:31,491 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:45:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:31,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:45:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:31,777 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:45:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 21:45:32,439 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 21:45:32,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-22 21:45:32,439 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 21:45:32,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 21:45:32,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 21:45:32,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-22 21:45:32,440 INFO L87 Difference]: Start difference. First operand 1099 states and 1258 transitions. Second operand 15 states. [2018-11-22 21:45:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:34,242 INFO L93 Difference]: Finished difference Result 2588 states and 3359 transitions. [2018-11-22 21:45:34,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-22 21:45:34,244 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2018-11-22 21:45:34,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:34,251 INFO L225 Difference]: With dead ends: 2588 [2018-11-22 21:45:34,252 INFO L226 Difference]: Without dead ends: 1513 [2018-11-22 21:45:34,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 292 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-22 21:45:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2018-11-22 21:45:34,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1087. [2018-11-22 21:45:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1087 states. [2018-11-22 21:45:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1210 transitions. [2018-11-22 21:45:34,325 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1210 transitions. Word has length 151 [2018-11-22 21:45:34,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:34,326 INFO L480 AbstractCegarLoop]: Abstraction has 1087 states and 1210 transitions. [2018-11-22 21:45:34,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 21:45:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1210 transitions. [2018-11-22 21:45:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-22 21:45:34,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:45:34,329 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 21:45:34,329 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:45:34,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2012697792, now seen corresponding path program 1 times [2018-11-22 21:45:34,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:45:34,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:34,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:34,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:45:34,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:45:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 21:45:34,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:34,431 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:45:34,431 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-22 21:45:34,432 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [70], [71], [72], [73], [74], [83], [87], [91], [94], [97], [99], [102], [107], [110], [127], [128], [129], [131], [134], [139], [140], [142], [145], [147], [149], [150], [151], [152], [155], [157], [159], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [269], [271], [272], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [293], [294], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-11-22 21:45:34,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:45:34,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:45:35,601 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:45:35,601 INFO L272 AbstractInterpreter]: Visited 115 different actions 666 times. Merged at 34 different actions 142 times. Widened at 1 different actions 2 times. Performed 27402 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27402 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 27 fixpoints after 9 different actions. Largest state had 132 variables. [2018-11-22 21:45:35,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:45:35,603 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:45:35,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:45:35,603 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/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 [2018-11-22 21:45:35,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:45:35,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:45:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:35,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:45:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:45:35,753 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:45:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 21:45:36,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 21:45:36,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-22 21:45:36,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:45:36,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:45:36,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:45:36,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-22 21:45:36,017 INFO L87 Difference]: Start difference. First operand 1087 states and 1210 transitions. Second operand 8 states. [2018-11-22 21:45:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:45:36,205 INFO L93 Difference]: Finished difference Result 1968 states and 2211 transitions. [2018-11-22 21:45:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:45:36,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2018-11-22 21:45:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:45:36,206 INFO L225 Difference]: With dead ends: 1968 [2018-11-22 21:45:36,206 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:45:36,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-22 21:45:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:45:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:45:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:45:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:45:36,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-22 21:45:36,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:45:36,209 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:45:36,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:45:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:45:36,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:45:36,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:45:36,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:36,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:45:37,149 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-22 21:45:37,443 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2018-11-22 21:45:37,653 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-11-22 21:45:37,797 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2018-11-22 21:45:38,329 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-11-22 21:45:39,560 WARN L180 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2018-11-22 21:45:39,694 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2018-11-22 21:45:39,694 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:45:39,695 INFO L444 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-11-22 21:45:39,695 INFO L448 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,696 INFO L448 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2018-11-22 21:45:39,696 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse4))) [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-11-22 21:45:39,696 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2018-11-22 21:45:39,696 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2018-11-22 21:45:39,696 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse2 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse4))) [2018-11-22 21:45:39,697 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (and .cse9 (<= ~waterLevel~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse6 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse4 .cse3) (or .cse0 .cse8 .cse5 .cse7 .cse6 .cse3)))) [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L444 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse3 .cse1 .cse2 .cse7 .cse4))) [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2018-11-22 21:45:39,697 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-11-22 21:45:39,697 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2018-11-22 21:45:39,697 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2018-11-22 21:45:39,698 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse4))) [2018-11-22 21:45:39,699 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse3 .cse1 .cse2 .cse7 .cse4))) [2018-11-22 21:45:39,699 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-11-22 21:45:39,699 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2018-11-22 21:45:39,699 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-22 21:45:39,699 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2018-11-22 21:45:39,699 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-22 21:45:39,702 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse0 .cse5 .cse2))) [2018-11-22 21:45:39,702 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-11-22 21:45:39,702 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-11-22 21:45:39,702 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2018-11-22 21:45:39,702 INFO L444 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse1 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-11-22 21:45:39,702 INFO L444 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse1 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-11-22 21:45:39,702 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L444 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L444 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse0 .cse5 .cse2))) [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (< ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:45:39,703 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-22 21:45:39,704 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse2 (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-11-22 21:45:39,704 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or (or .cse2 (or .cse5 .cse3)) .cse4 .cse0) (or .cse6 (or (or .cse7 .cse5 .cse3) .cse2)) (or .cse7 .cse1 .cse2 .cse6 .cse3))) [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2018-11-22 21:45:39,705 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse10 (= ~pumpRunning~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or (or .cse1 .cse2 .cse3) .cse4)) (or (or .cse4 (or .cse2 .cse3)) .cse5 .cse0) (or .cse1 .cse6 .cse4 (and .cse7 (<= ~waterLevel~0 2)) .cse3) (or .cse8 .cse5 (or .cse2 .cse9 .cse3)) (or .cse6 (not (= ~systemActive~0 1)) .cse5 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse1 .cse2 .cse9 .cse3) (or (and .cse10 .cse7) .cse6 .cse4 .cse5 .cse3) (or .cse1 .cse6 .cse9 .cse8 .cse3) (or (or .cse1 (< 1 |old(~waterLevel~0)|) .cse6 .cse3) .cse10) (or .cse8 .cse6 .cse9 .cse5 .cse3)))) [2018-11-22 21:45:39,705 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2018-11-22 21:45:39,706 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse11 (and .cse9 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse1 (not (= ~systemActive~0 1)) .cse5 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse5 (or .cse7 .cse8 .cse4)) (or (and .cse9 .cse3) .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse1 .cse8 .cse10 .cse4) (or (or .cse2 (or .cse7 .cse4)) .cse11 .cse5) (or (or (or .cse0 .cse7 .cse4) .cse2) .cse11) (or (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 .cse4) .cse9) (or .cse10 .cse1 .cse8 .cse5 .cse4)))) [2018-11-22 21:45:39,706 INFO L444 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse14 (= 0 ~pumpRunning~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (and .cse12 (<= ~waterLevel~0 2) .cse13)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse11 (and .cse12 .cse15 .cse13)) (.cse9 (and .cse12 .cse14 .cse15)) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< ~systemActive~0 1))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse0 .cse8 .cse6 .cse7) (or .cse4 .cse2 (or .cse5 .cse6 .cse7)) (or .cse9 (or .cse10 (or .cse5 .cse7)) .cse11 .cse2) (or .cse3 (and .cse12 .cse13) .cse0 .cse10 (and .cse12 .cse14) .cse7) (or .cse0 .cse10 .cse1 .cse9 .cse2 .cse7) (or (or (or .cse3 .cse5 .cse7) .cse10) .cse11 .cse9) (or .cse8 .cse0 .cse6 .cse2 .cse7)))) [2018-11-22 21:45:39,706 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2018-11-22 21:45:39,706 INFO L444 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or (or .cse1 .cse2 .cse3) .cse4)) (or .cse5 .cse6 (or .cse2 .cse7 .cse3)) (or .cse8 .cse4 .cse6 .cse3) (or .cse1 .cse5 .cse2 .cse7 .cse3) (or (or .cse4 (or .cse2 .cse3)) .cse0 .cse6) (or .cse1 .cse8 .cse4 .cse3))) [2018-11-22 21:45:39,706 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-22 21:45:39,706 INFO L451 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-11-22 21:45:39,706 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-11-22 21:45:39,706 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 21:45:39,706 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-11-22 21:45:39,706 INFO L451 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2018-11-22 21:45:39,707 INFO L451 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L451 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse5 .cse3) (or .cse6 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-11-22 21:45:39,707 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-11-22 21:45:39,708 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5 .cse6 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse5 .cse6 .cse3))) [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse5 .cse3))) [2018-11-22 21:45:39,708 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse2 (< ~systemActive~0 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse7 (or (= 0 ~pumpRunning~0) .cse2))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse3 .cse0 .cse1 .cse2) (or (or .cse6 .cse0 .cse7) .cse8 .cse4) (or .cse8 (or .cse5 .cse6 .cse0 .cse7))))) [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-11-22 21:45:39,708 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-11-22 21:45:39,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-22 21:45:39,709 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse6 (<= ~waterLevel~0 2) .cse4) (or .cse2 (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse3 (= 1 ~waterLevel~0)) (or (or .cse5 .cse1 .cse2 .cse4) .cse0) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse0 .cse4))) [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2018-11-22 21:45:39,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-11-22 21:45:39,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:45:39 BoogieIcfgContainer [2018-11-22 21:45:39,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:45:39,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:45:39,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:45:39,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:45:39,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:45:21" (3/4) ... [2018-11-22 21:45:39,722 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 21:45:39,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 21:45:39,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 21:45:39,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-22 21:45:39,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 21:45:39,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 21:45:39,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 21:45:39,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 21:45:39,735 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 21:45:39,735 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 21:45:39,735 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 21:45:39,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 21:45:39,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:45:39,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:45:39,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:45:39,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-22 21:45:39,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 21:45:39,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d737b2b-2228-4758-af98-b1614c8d50e9/bin-2019/utaipan/witness.graphml [2018-11-22 21:45:39,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:45:39,798 INFO L168 Benchmark]: Toolchain (without parser) took 19150.19 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 751.8 MB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -672.6 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,798 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:45:39,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.78 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,799 INFO L168 Benchmark]: Boogie Preprocessor took 29.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,799 INFO L168 Benchmark]: RCFGBuilder took 453.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,799 INFO L168 Benchmark]: TraceAbstraction took 18178.66 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 611.8 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -563.2 MB). Peak memory consumption was 857.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,799 INFO L168 Benchmark]: Witness Printer took 77.87 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 76.9 kB). Peak memory consumption was 76.9 kB. Max. memory is 11.5 GB. [2018-11-22 21:45:39,801 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.78 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 453.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18178.66 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 611.8 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -563.2 MB). Peak memory consumption was 857.5 MB. Max. memory is 11.5 GB. * Witness Printer took 77.87 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 76.9 kB). Peak memory consumption was 76.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 8.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2526 SDtfs, 2144 SDslu, 10720 SDs, 0 SdLazy, 4726 SolverSat, 1038 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1034 GetRequests, 836 SyntacticMatches, 19 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1099occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9965946093883896 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 84.93877551020408 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 548 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 3208 PreInvPairs, 3312 NumberOfFragments, 2939 HoareAnnotationTreeSize, 3208 FomulaSimplifications, 7019 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 18863 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1653 NumberOfCodeBlocks, 1653 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1944 ConstructedInterpolants, 0 QuantifiedInterpolants, 383238 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1725 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 320/344 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...