./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/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 37cb317c3bc7664ed231fa78380e175cc6a4d8af ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:57:40,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:57:40,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:57:40,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:57:40,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:57:40,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:57:40,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:57:40,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:57:40,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:57:40,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:57:40,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:57:40,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:57:40,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:57:40,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:57:40,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:57:40,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:57:40,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:57:40,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:57:40,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:57:40,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:57:40,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:57:40,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:57:40,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:57:40,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:57:40,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:57:40,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:57:40,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:57:40,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:57:40,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:57:40,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:57:40,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:57:40,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:57:40,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:57:40,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:57:40,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:57:40,260 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:57:40,260 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:57:40,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:57:40,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:57:40,268 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:57:40,269 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:57:40,269 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:57:40,270 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:57:40,270 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:57:40,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:57:40,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:57:40,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:57:40,272 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:57:40,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:57:40,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:57:40,272 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:57:40,272 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_049772dc-1010-4c24-b307-35153ecb4048/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 -> 37cb317c3bc7664ed231fa78380e175cc6a4d8af [2018-12-09 00:57:40,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:57:40,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:57:40,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:57:40,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:57:40,301 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:57:40,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-09 00:57:40,335 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/data/8d2cd22ab/4dcac7d0099d4a4fa1cda2fd45dc9c3c/FLAGe132c60a7 [2018-12-09 00:57:40,757 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:57:40,757 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-09 00:57:40,763 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/data/8d2cd22ab/4dcac7d0099d4a4fa1cda2fd45dc9c3c/FLAGe132c60a7 [2018-12-09 00:57:40,771 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/data/8d2cd22ab/4dcac7d0099d4a4fa1cda2fd45dc9c3c [2018-12-09 00:57:40,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:57:40,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:57:40,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:57:40,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:57:40,777 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:57:40,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:57:40" (1/1) ... [2018-12-09 00:57:40,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:40, skipping insertion in model container [2018-12-09 00:57:40,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:57:40" (1/1) ... [2018-12-09 00:57:40,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:57:40,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:57:40,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:57:41,014 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:57:41,054 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:57:41,069 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:57:41,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41 WrapperNode [2018-12-09 00:57:41,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:57:41,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:57:41,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:57:41,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:57:41,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:57:41,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:57:41,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:57:41,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:57:41,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... [2018-12-09 00:57:41,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:57:41,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:57:41,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:57:41,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:57:41,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:57:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:57:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:57:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:57:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:57:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:57:41,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:57:41,444 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:57:41,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:57:41 BoogieIcfgContainer [2018-12-09 00:57:41,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:57:41,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:57:41,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:57:41,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:57:41,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:57:40" (1/3) ... [2018-12-09 00:57:41,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b83cf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:57:41, skipping insertion in model container [2018-12-09 00:57:41,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:57:41" (2/3) ... [2018-12-09 00:57:41,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b83cf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:57:41, skipping insertion in model container [2018-12-09 00:57:41,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:57:41" (3/3) ... [2018-12-09 00:57:41,449 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-09 00:57:41,455 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:57:41,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:57:41,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:57:41,486 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:57:41,486 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:57:41,486 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:57:41,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:57:41,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:57:41,487 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:57:41,487 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:57:41,487 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:57:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-12-09 00:57:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 00:57:41,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:41,504 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:41,505 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:41,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:41,508 INFO L82 PathProgramCache]: Analyzing trace with hash -969795471, now seen corresponding path program 1 times [2018-12-09 00:57:41,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:41,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:41,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:41,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:41,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:57:41,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:41,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:57:41,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:57:41,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:57:41,658 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-12-09 00:57:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:41,681 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-12-09 00:57:41,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:57:41,682 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 00:57:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:41,689 INFO L225 Difference]: With dead ends: 282 [2018-12-09 00:57:41,689 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 00:57:41,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:57:41,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 00:57:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 00:57:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 00:57:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-09 00:57:41,723 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2018-12-09 00:57:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:41,724 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-09 00:57:41,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:57:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-09 00:57:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 00:57:41,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:41,726 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:41,726 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:41,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:41,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1996571673, now seen corresponding path program 1 times [2018-12-09 00:57:41,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:41,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:41,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:41,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:41,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:57:41,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:41,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:57:41,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:57:41,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:57:41,787 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-12-09 00:57:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:41,802 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2018-12-09 00:57:41,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:57:41,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 00:57:41,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:41,803 INFO L225 Difference]: With dead ends: 231 [2018-12-09 00:57:41,803 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 00:57:41,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:57:41,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 00:57:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 00:57:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 00:57:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-12-09 00:57:41,812 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 60 [2018-12-09 00:57:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:41,812 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-12-09 00:57:41,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:57:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-12-09 00:57:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:57:41,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:41,814 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:41,814 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:41,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash -521756146, now seen corresponding path program 1 times [2018-12-09 00:57:41,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:41,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:41,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:41,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:57:41,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:41,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:57:41,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:57:41,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:57:41,918 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-12-09 00:57:42,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:42,076 INFO L93 Difference]: Finished difference Result 240 states and 285 transitions. [2018-12-09 00:57:42,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:57:42,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-09 00:57:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:42,077 INFO L225 Difference]: With dead ends: 240 [2018-12-09 00:57:42,077 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 00:57:42,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:57:42,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 00:57:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 00:57:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 00:57:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2018-12-09 00:57:42,085 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 64 [2018-12-09 00:57:42,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:42,086 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2018-12-09 00:57:42,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:57:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2018-12-09 00:57:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 00:57:42,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:42,088 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] [2018-12-09 00:57:42,088 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:42,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:42,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1746539877, now seen corresponding path program 1 times [2018-12-09 00:57:42,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:42,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:42,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:42,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:42,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:57:42,140 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:42,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:57:42,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:57:42,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:57:42,141 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 5 states. [2018-12-09 00:57:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:42,479 INFO L93 Difference]: Finished difference Result 351 states and 422 transitions. [2018-12-09 00:57:42,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:57:42,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-09 00:57:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:42,481 INFO L225 Difference]: With dead ends: 351 [2018-12-09 00:57:42,481 INFO L226 Difference]: Without dead ends: 245 [2018-12-09 00:57:42,482 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 [2018-12-09 00:57:42,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-09 00:57:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-12-09 00:57:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-12-09 00:57:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-12-09 00:57:42,496 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 77 [2018-12-09 00:57:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:42,496 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-12-09 00:57:42,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:57:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-12-09 00:57:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 00:57:42,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:42,497 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] [2018-12-09 00:57:42,498 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:42,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:42,498 INFO L82 PathProgramCache]: Analyzing trace with hash 579031268, now seen corresponding path program 1 times [2018-12-09 00:57:42,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:42,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:42,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:57:42,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:42,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:57:42,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:42,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:57:42,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:57:42,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:57:42,559 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 7 states. [2018-12-09 00:57:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:42,907 INFO L93 Difference]: Finished difference Result 443 states and 521 transitions. [2018-12-09 00:57:42,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:57:42,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-09 00:57:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:42,908 INFO L225 Difference]: With dead ends: 443 [2018-12-09 00:57:42,909 INFO L226 Difference]: Without dead ends: 244 [2018-12-09 00:57:42,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:57:42,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-12-09 00:57:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 226. [2018-12-09 00:57:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-12-09 00:57:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2018-12-09 00:57:42,921 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 91 [2018-12-09 00:57:42,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:42,921 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2018-12-09 00:57:42,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:57:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2018-12-09 00:57:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 00:57:42,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:42,922 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, 1, 1, 1] [2018-12-09 00:57:42,922 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:42,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:42,922 INFO L82 PathProgramCache]: Analyzing trace with hash 732155529, now seen corresponding path program 1 times [2018-12-09 00:57:42,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:42,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:42,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:42,923 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:42,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:42,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:57:42,961 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:42,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:57:42,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:57:42,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:57:42,962 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 6 states. [2018-12-09 00:57:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:42,994 INFO L93 Difference]: Finished difference Result 431 states and 500 transitions. [2018-12-09 00:57:42,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:57:42,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-12-09 00:57:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:42,996 INFO L225 Difference]: With dead ends: 431 [2018-12-09 00:57:42,996 INFO L226 Difference]: Without dead ends: 233 [2018-12-09 00:57:42,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:57:42,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-12-09 00:57:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2018-12-09 00:57:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-12-09 00:57:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2018-12-09 00:57:43,007 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 107 [2018-12-09 00:57:43,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:43,007 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2018-12-09 00:57:43,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:57:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2018-12-09 00:57:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 00:57:43,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:43,008 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, 1, 1, 1] [2018-12-09 00:57:43,008 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:43,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:43,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1634539065, now seen corresponding path program 1 times [2018-12-09 00:57:43,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:43,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:43,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:43,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:43,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:57:43,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:43,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:57:43,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:57:43,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:57:43,055 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 8 states. [2018-12-09 00:57:43,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:43,083 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2018-12-09 00:57:43,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:57:43,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-12-09 00:57:43,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:43,085 INFO L225 Difference]: With dead ends: 441 [2018-12-09 00:57:43,085 INFO L226 Difference]: Without dead ends: 238 [2018-12-09 00:57:43,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:57:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-12-09 00:57:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2018-12-09 00:57:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-09 00:57:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2018-12-09 00:57:43,099 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2018-12-09 00:57:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:43,099 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2018-12-09 00:57:43,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:57:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2018-12-09 00:57:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 00:57:43,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:43,101 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, 1, 1, 1] [2018-12-09 00:57:43,101 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:43,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:43,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1875079194, now seen corresponding path program 1 times [2018-12-09 00:57:43,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:43,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:43,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:43,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:43,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:57:43,158 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:43,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:57:43,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:57:43,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:57:43,159 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 4 states. [2018-12-09 00:57:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:43,292 INFO L93 Difference]: Finished difference Result 667 states and 790 transitions. [2018-12-09 00:57:43,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:57:43,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-12-09 00:57:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:43,294 INFO L225 Difference]: With dead ends: 667 [2018-12-09 00:57:43,294 INFO L226 Difference]: Without dead ends: 460 [2018-12-09 00:57:43,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:57:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-12-09 00:57:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 451. [2018-12-09 00:57:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-12-09 00:57:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2018-12-09 00:57:43,311 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 107 [2018-12-09 00:57:43,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:43,312 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2018-12-09 00:57:43,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:57:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2018-12-09 00:57:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 00:57:43,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:43,313 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:43,313 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:43,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:43,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1369870956, now seen corresponding path program 1 times [2018-12-09 00:57:43,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:43,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:43,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:43,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:57:43,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:43,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:57:43,420 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:43,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:57:43,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:57:43,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:57:43,421 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 9 states. [2018-12-09 00:57:43,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:43,987 INFO L93 Difference]: Finished difference Result 1184 states and 1440 transitions. [2018-12-09 00:57:43,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 00:57:43,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2018-12-09 00:57:43,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:43,991 INFO L225 Difference]: With dead ends: 1184 [2018-12-09 00:57:43,991 INFO L226 Difference]: Without dead ends: 829 [2018-12-09 00:57:43,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:57:43,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-12-09 00:57:44,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 756. [2018-12-09 00:57:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2018-12-09 00:57:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 868 transitions. [2018-12-09 00:57:44,023 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 868 transitions. Word has length 111 [2018-12-09 00:57:44,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:44,023 INFO L480 AbstractCegarLoop]: Abstraction has 756 states and 868 transitions. [2018-12-09 00:57:44,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:57:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 868 transitions. [2018-12-09 00:57:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 00:57:44,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:44,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:44,026 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:44,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:44,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1898623481, now seen corresponding path program 1 times [2018-12-09 00:57:44,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:44,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:44,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:44,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:44,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 00:57:44,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:44,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:57:44,104 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-09 00:57:44,105 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [79], [82], [84], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-12-09 00:57:44,137 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:57:44,137 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:57:45,179 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:57:45,180 INFO L272 AbstractInterpreter]: Visited 131 different actions 623 times. Merged at 15 different actions 42 times. Never widened. Performed 20486 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20486 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-09 00:57:45,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:45,185 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:57:45,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:45,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:57:45,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:45,194 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:57:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:45,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:57:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:57:45,419 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:57:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 00:57:45,689 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:57:45,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 00:57:45,689 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:57:45,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 00:57:45,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 00:57:45,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:57:45,690 INFO L87 Difference]: Start difference. First operand 756 states and 868 transitions. Second operand 16 states. [2018-12-09 00:57:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:46,281 INFO L93 Difference]: Finished difference Result 1684 states and 2015 transitions. [2018-12-09 00:57:46,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 00:57:46,282 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 170 [2018-12-09 00:57:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:46,285 INFO L225 Difference]: With dead ends: 1684 [2018-12-09 00:57:46,285 INFO L226 Difference]: Without dead ends: 1022 [2018-12-09 00:57:46,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 332 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 00:57:46,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2018-12-09 00:57:46,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 902. [2018-12-09 00:57:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-12-09 00:57:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1048 transitions. [2018-12-09 00:57:46,319 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1048 transitions. Word has length 170 [2018-12-09 00:57:46,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:46,320 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1048 transitions. [2018-12-09 00:57:46,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 00:57:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1048 transitions. [2018-12-09 00:57:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-12-09 00:57:46,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:46,323 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:46,323 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:46,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:46,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1315221695, now seen corresponding path program 1 times [2018-12-09 00:57:46,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:46,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:46,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:46,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:46,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 7 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-09 00:57:46,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:46,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:57:46,431 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-12-09 00:57:46,431 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-12-09 00:57:46,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:57:46,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:57:47,193 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:57:47,193 INFO L272 AbstractInterpreter]: Visited 132 different actions 626 times. Merged at 15 different actions 42 times. Never widened. Performed 20744 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-09 00:57:47,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:47,194 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:57:47,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:47,195 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:57:47,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:47,201 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:57:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:47,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:57:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 00:57:47,418 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:57:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-12-09 00:57:47,982 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:57:47,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-09 00:57:47,982 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:57:47,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 00:57:47,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 00:57:47,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-12-09 00:57:47,983 INFO L87 Difference]: Start difference. First operand 902 states and 1048 transitions. Second operand 19 states. [2018-12-09 00:57:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:50,788 INFO L93 Difference]: Finished difference Result 3284 states and 4589 transitions. [2018-12-09 00:57:50,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-09 00:57:50,788 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 299 [2018-12-09 00:57:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:50,798 INFO L225 Difference]: With dead ends: 3284 [2018-12-09 00:57:50,798 INFO L226 Difference]: Without dead ends: 2418 [2018-12-09 00:57:50,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 590 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=880, Invalid=4670, Unknown=0, NotChecked=0, Total=5550 [2018-12-09 00:57:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2018-12-09 00:57:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 1703. [2018-12-09 00:57:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-12-09 00:57:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1914 transitions. [2018-12-09 00:57:50,897 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1914 transitions. Word has length 299 [2018-12-09 00:57:50,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:50,898 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 1914 transitions. [2018-12-09 00:57:50,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 00:57:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1914 transitions. [2018-12-09 00:57:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 00:57:50,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:50,902 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 00:57:50,902 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:50,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:50,902 INFO L82 PathProgramCache]: Analyzing trace with hash -477216255, now seen corresponding path program 1 times [2018-12-09 00:57:50,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:50,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:50,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-09 00:57:51,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:51,014 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:57:51,014 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-12-09 00:57:51,014 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [188], [190], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-12-09 00:57:51,017 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:57:51,017 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:57:52,595 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:57:52,595 INFO L272 AbstractInterpreter]: Visited 142 different actions 1265 times. Merged at 23 different actions 139 times. Never widened. Performed 47835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 47835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 38 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-09 00:57:52,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:52,597 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:57:52,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:52,597 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:57:52,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:52,603 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:57:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:52,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:57:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-09 00:57:52,779 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:57:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-09 00:57:53,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:57:53,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-12-09 00:57:53,233 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:57:53,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 00:57:53,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 00:57:53,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 00:57:53,234 INFO L87 Difference]: Start difference. First operand 1703 states and 1914 transitions. Second operand 20 states. [2018-12-09 00:57:53,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:53,902 INFO L93 Difference]: Finished difference Result 3222 states and 3639 transitions. [2018-12-09 00:57:53,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 00:57:53,903 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 319 [2018-12-09 00:57:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:53,908 INFO L225 Difference]: With dead ends: 3222 [2018-12-09 00:57:53,908 INFO L226 Difference]: Without dead ends: 1707 [2018-12-09 00:57:53,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 633 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 00:57:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-09 00:57:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2018-12-09 00:57:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-12-09 00:57:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1909 transitions. [2018-12-09 00:57:53,969 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1909 transitions. Word has length 319 [2018-12-09 00:57:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:53,969 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 1909 transitions. [2018-12-09 00:57:53,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 00:57:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1909 transitions. [2018-12-09 00:57:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 00:57:53,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:53,972 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 00:57:53,972 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:53,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash 623439818, now seen corresponding path program 1 times [2018-12-09 00:57:53,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:53,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:53,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:53,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:53,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 00:57:54,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:54,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 00:57:54,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:54,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 00:57:54,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 00:57:54,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:57:54,101 INFO L87 Difference]: Start difference. First operand 1703 states and 1909 transitions. Second operand 13 states. [2018-12-09 00:57:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:54,546 INFO L93 Difference]: Finished difference Result 3120 states and 3523 transitions. [2018-12-09 00:57:54,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 00:57:54,546 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 320 [2018-12-09 00:57:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:54,550 INFO L225 Difference]: With dead ends: 3120 [2018-12-09 00:57:54,550 INFO L226 Difference]: Without dead ends: 1605 [2018-12-09 00:57:54,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-12-09 00:57:54,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2018-12-09 00:57:54,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1576. [2018-12-09 00:57:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-09 00:57:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1758 transitions. [2018-12-09 00:57:54,615 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1758 transitions. Word has length 320 [2018-12-09 00:57:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:54,616 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1758 transitions. [2018-12-09 00:57:54,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 00:57:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1758 transitions. [2018-12-09 00:57:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-09 00:57:54,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:54,619 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:54,619 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:54,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:54,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1181320144, now seen corresponding path program 1 times [2018-12-09 00:57:54,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:54,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:54,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-09 00:57:54,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:54,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:57:54,810 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 325 with the following transitions: [2018-12-09 00:57:54,810 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [186], [188], [190], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-12-09 00:57:54,811 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:57:54,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:57:56,299 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:57:56,299 INFO L272 AbstractInterpreter]: Visited 144 different actions 1325 times. Merged at 26 different actions 163 times. Never widened. Performed 49161 root evaluator evaluations with a maximum evaluation depth of 3. Performed 49161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 56 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-09 00:57:56,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:56,305 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:57:56,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:57:56,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:57:56,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:56,313 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:57:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:56,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:57:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-09 00:57:56,472 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:57:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 94 proven. 27 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 00:57:56,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:57:56,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-12-09 00:57:56,978 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:57:56,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 00:57:56,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 00:57:56,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-12-09 00:57:56,979 INFO L87 Difference]: Start difference. First operand 1576 states and 1758 transitions. Second operand 14 states. [2018-12-09 00:57:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:58,005 INFO L93 Difference]: Finished difference Result 3401 states and 4110 transitions. [2018-12-09 00:57:58,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 00:57:58,005 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 324 [2018-12-09 00:57:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:58,011 INFO L225 Difference]: With dead ends: 3401 [2018-12-09 00:57:58,011 INFO L226 Difference]: Without dead ends: 2525 [2018-12-09 00:57:58,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 641 SyntacticMatches, 21 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-12-09 00:57:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2018-12-09 00:57:58,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 1966. [2018-12-09 00:57:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2018-12-09 00:57:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2203 transitions. [2018-12-09 00:57:58,094 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2203 transitions. Word has length 324 [2018-12-09 00:57:58,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:58,094 INFO L480 AbstractCegarLoop]: Abstraction has 1966 states and 2203 transitions. [2018-12-09 00:57:58,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 00:57:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2203 transitions. [2018-12-09 00:57:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-09 00:57:58,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:57:58,098 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:57:58,098 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:57:58,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:57:58,098 INFO L82 PathProgramCache]: Analyzing trace with hash 121188462, now seen corresponding path program 1 times [2018-12-09 00:57:58,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:57:58,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:58,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:57:58,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:57:58,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:57:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:57:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 00:57:58,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:57:58,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:57:58,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:57:58,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:57:58,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:57:58,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:57:58,210 INFO L87 Difference]: Start difference. First operand 1966 states and 2203 transitions. Second operand 8 states. [2018-12-09 00:57:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:57:58,430 INFO L93 Difference]: Finished difference Result 3272 states and 3706 transitions. [2018-12-09 00:57:58,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:57:58,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 392 [2018-12-09 00:57:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:57:58,431 INFO L225 Difference]: With dead ends: 3272 [2018-12-09 00:57:58,431 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:57:58,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-09 00:57:58,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:57:58,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:57:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:57:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:57:58,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-12-09 00:57:58,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:57:58,437 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:57:58,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:57:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:57:58,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:57:58,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:57:58,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,714 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 141 [2018-12-09 00:57:58,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:58,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,092 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 200 [2018-12-09 00:57:59,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:57:59,897 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2018-12-09 00:58:00,260 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2018-12-09 00:58:00,521 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2018-12-09 00:58:01,577 WARN L180 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 81 [2018-12-09 00:58:01,982 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2018-12-09 00:58:02,321 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 47 [2018-12-09 00:58:03,204 WARN L180 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 86 [2018-12-09 00:58:03,468 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2018-12-09 00:58:03,686 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-12-09 00:58:03,833 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-12-09 00:58:04,439 WARN L180 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 49 [2018-12-09 00:58:04,627 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2018-12-09 00:58:04,911 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 48 [2018-12-09 00:58:05,567 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 53 [2018-12-09 00:58:06,073 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-12-09 00:58:07,131 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2018-12-09 00:58:07,251 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-12-09 00:58:07,383 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-12-09 00:58:07,564 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2018-12-09 00:58:07,695 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-09 00:58:07,909 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-12-09 00:58:08,323 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-12-09 00:58:08,461 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2018-12-09 00:58:08,639 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2018-12-09 00:58:08,641 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2018-12-09 00:58:08,641 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2018-12-09 00:58:08,641 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2018-12-09 00:58:08,641 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2018-12-09 00:58:08,641 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2018-12-09 00:58:08,641 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= ~systemActive~0 1))) (let ((.cse11 (or (and .cse14 .cse0) (and .cse9 .cse14))) (.cse12 (< 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse14)) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse1 .cse6 .cse7 .cse0 .cse3 .cse4) (or .cse8 (< 0 ~waterLevel~0) .cse1 .cse7 .cse3 .cse9) (or .cse6 .cse0 .cse7 .cse3 .cse4 .cse10) (or .cse11 (or .cse8 .cse7 .cse3) .cse12 .cse10) (or .cse7 .cse0 .cse3 .cse4 .cse10 .cse13) (or .cse8 .cse1 .cse7 .cse3 .cse9 .cse5) (or .cse1 .cse11 (or .cse8 .cse7 .cse12 .cse3)) (or .cse1 .cse7 .cse0 .cse3 .cse4 .cse13) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse8 .cse6 .cse7 .cse3 .cse10 .cse9)))) [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L451 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2018-12-09 00:58:08,642 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-09 00:58:08,642 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2018-12-09 00:58:08,643 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2018-12-09 00:58:08,643 INFO L444 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or (< ~switchedOnBeforeTS~0 1) .cse3 (< 1 ~waterLevel~0) .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse6 .cse2))) [2018-12-09 00:58:08,643 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-12-09 00:58:08,643 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-12-09 00:58:08,643 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~3)) (.cse3 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse0 (< 1 ~waterLevel~0) .cse2 .cse1 .cse4) (or .cse6 .cse4 .cse7 .cse8) (or .cse2 .cse4 .cse5 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse2 .cse4 .cse5 .cse8))) [2018-12-09 00:58:08,643 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 945 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,643 INFO L444 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,643 INFO L444 ceAbstractionStarter]: At program point L957-1(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,643 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2018-12-09 00:58:08,643 INFO L448 ceAbstractionStarter]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2018-12-09 00:58:08,644 INFO L448 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2018-12-09 00:58:08,644 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2018-12-09 00:58:08,644 INFO L444 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,644 INFO L444 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,644 INFO L444 ceAbstractionStarter]: At program point L951-1(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,644 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2018-12-09 00:58:08,644 INFO L444 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 00:58:08,644 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2018-12-09 00:58:08,644 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse1 .cse2 .cse0 .cse3))) [2018-12-09 00:58:08,645 INFO L444 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse5 (or .cse0 (or .cse4 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse6) (or .cse2 (< 2 ~waterLevel~0) .cse5 .cse3 .cse4 .cse6))) [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2018-12-09 00:58:08,645 INFO L444 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4 (not .cse6)) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) (and .cse6 .cse5) .cse2 .cse3))) [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2018-12-09 00:58:08,645 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse0 .cse5))) [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2018-12-09 00:58:08,645 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2018-12-09 00:58:08,645 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2018-12-09 00:58:08,646 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,646 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L451 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: true [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2018-12-09 00:58:08,646 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 1)) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2018-12-09 00:58:08,647 INFO L444 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse5 .cse7 .cse0 .cse6 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point L640-1(line 640) no Hoare annotation was computed. [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2018-12-09 00:58:08,647 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (or .cse7 .cse8 .cse3 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse0 .cse2 .cse3 .cse4))) [2018-12-09 00:58:08,647 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5 .cse8) (or .cse2 .cse3 .cse4 .cse5 .cse0 .cse8) (or .cse1 .cse6 .cse7 .cse4 .cse5))) [2018-12-09 00:58:08,647 INFO L448 ceAbstractionStarter]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L444 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse4) (or .cse6 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse6 .cse0 .cse5 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 00:58:08,648 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse3 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse5 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 00:58:08,648 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-09 00:58:08,648 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2018-12-09 00:58:08,648 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2018-12-09 00:58:08,648 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse0 .cse4)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse8) (and .cse5 (and .cse4 .cse1 (= ~pumpRunning~0 1))) (and .cse1 .cse7) (and (or (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse4) (and .cse5 .cse4 .cse6)) .cse2 .cse8 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 00:58:08,649 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 769 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2018-12-09 00:58:08,649 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (and (= 1 ~waterLevel~0) .cse8 .cse5)) (.cse1 (<= ~pumpRunning~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (and (= 0 ~pumpRunning~0) .cse8 .cse5)) (.cse6 (<= ~waterLevel~0 1)) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse11 (= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and (and (not (= ~switchedOnBeforeTS~0 0)) .cse5) .cse6) .cse7) (not .cse8) (and (and (or (and .cse9 .cse10) (and (<= 1 ~switchedOnBeforeTS~0) .cse9 .cse6)) .cse2) (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse11 .cse10) (and .cse9 .cse4 .cse6 .cse10) (and .cse4 .cse11 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2018-12-09 00:58:08,649 INFO L444 ceAbstractionStarter]: At program point L822(lines 779 824) the Hoare annotation is: (let ((.cse6 (<= ~pumpRunning~0 0)) (.cse8 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 1))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse8 .cse3 .cse4) (and .cse0 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse3) (and (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse3) .cse6 .cse7 .cse8) (and .cse1 .cse7 .cse2 .cse3 .cse4) (or (and .cse0 .cse5 .cse9 .cse3 .cse4) (and .cse0 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse9 .cse3) .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2018-12-09 00:58:08,649 INFO L448 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L444 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L444 ceAbstractionStarter]: At program point L815-2(lines 809 820) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse9 (= ~pumpRunning~0 1)) (.cse6 (and .cse11 (= 2 ~waterLevel~0) .cse0 .cse5)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (or (and (<= 1 ~switchedOnBeforeTS~0) .cse8 .cse0 .cse5) (and .cse8 .cse0 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (.cse2 (<= ~pumpRunning~0 0)) (.cse4 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse8 (and .cse1 .cse5 .cse9)) (and (and .cse8 .cse5) .cse9 .cse7) (and .cse1 .cse6) (and .cse1 .cse10 .cse2 .cse4) (and .cse10 .cse2 .cse7 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse11 .cse3 .cse5)))) [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2018-12-09 00:58:08,650 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-12-09 00:58:08,651 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2018-12-09 00:58:08,651 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2018-12-09 00:58:08,651 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L451 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse9 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse10 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse7 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2 .cse8) (or .cse9 (< 0 ~waterLevel~0) .cse5 .cse0 .cse2 .cse7) (or .cse1 (or (< 2 ~waterLevel~0) (or (not (= 1 ~pumpRunning~0)) .cse2)) .cse4) (or .cse9 .cse5 .cse0 .cse2 .cse7 .cse3) (or .cse6 .cse1 .cse0 .cse2 .cse8 .cse4) (or .cse1 (or .cse10 .cse4)) (or (or .cse5 .cse10) .cse7)))) [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 00:58:08,652 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2018-12-09 00:58:08,653 INFO L448 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2018-12-09 00:58:08,653 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2018-12-09 00:58:08,653 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2018-12-09 00:58:08,653 INFO L451 ceAbstractionStarter]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2018-12-09 00:58:08,653 INFO L448 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2018-12-09 00:58:08,653 INFO L451 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2018-12-09 00:58:08,653 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-12-09 00:58:08,653 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-12-09 00:58:08,653 INFO L451 ceAbstractionStarter]: At program point L898(lines 873 902) the Hoare annotation is: true [2018-12-09 00:58:08,653 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: (let ((.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse15 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse17 (<= ~pumpRunning~0 0)) (.cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse20 (= 0 ~pumpRunning~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse20 .cse16)) (.cse1 (and .cse17 .cse16 .cse18)) (.cse19 (or .cse0 .cse2 .cse8)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse21 (or .cse15 .cse2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse22 (and (= ~pumpRunning~0 1) .cse16)) (.cse14 (and (or .cse5 .cse11 (< |old(~waterLevel~0)| 2) .cse15 .cse2) (or .cse5 .cse15 .cse2 .cse7 .cse3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7 .cse8) (or (or .cse6 .cse9) (or .cse10 .cse0 .cse2) .cse11 .cse4) (or .cse5 .cse0 .cse12 .cse2 .cse3) (or .cse13 .cse6 .cse14) (or .cse6 .cse15 .cse2 .cse7 .cse3 .cse4) (or .cse10 (< 0 |old(~waterLevel~0)|) .cse5 .cse0 .cse2 (and .cse9 .cse16)) (or .cse10 .cse13 .cse0 .cse12 .cse2 .cse4) (or .cse10 .cse13 .cse0 .cse2 .cse4 .cse9) (or .cse13 (and .cse17 .cse16 .cse18 .cse6) .cse0 .cse2 .cse7 .cse4) (or (or .cse5 .cse19) .cse1) (or .cse5 (or (and .cse20 .cse6) (and .cse9 .cse20)) (and (or .cse0 .cse11 .cse2 .cse7) (or .cse10 .cse0 .cse11 .cse2))) (or .cse1 (or .cse19 .cse4)) (or .cse5 .cse13 .cse21 .cse22) (or .cse10 .cse5 .cse0 .cse2 .cse9 .cse3) (or .cse22 (or .cse11 .cse21) .cse4) (or .cse5 .cse13 .cse0 (and .cse16 .cse6) .cse2 .cse7) (or .cse0 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse22 .cse14)))) [2018-12-09 00:58:08,654 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 1)))) (let ((.cse22 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse18 (< 2 |old(~waterLevel~0)|)) (.cse23 (or .cse6 .cse10)) (.cse2 (= ~pumpRunning~0 1)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse12 (and .cse2 .cse21 .cse3 .cse4)) (.cse14 (or .cse18 .cse23)) (.cse16 (or .cse9 .cse10 .cse24)) (.cse8 (and (= 0 ~pumpRunning~0) .cse21 .cse4)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse10 .cse24)) (.cse7 (= 1 ~waterLevel~0)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or .cse22 .cse23)) (.cse19 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse20 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse17 (and (<= ~pumpRunning~0 0) .cse21 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4)) (.cse15 (not .cse22))) (and (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse0 .cse5 .cse6) (and .cse7 .cse2 .cse4)) (or .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse14 .cse15) (or .cse12 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse4) .cse14 .cse15) (or (or .cse16 .cse15) .cse17) (or (or .cse0 .cse16) .cse8) (or .cse17 .cse0 (and (or .cse9 .cse18 .cse10 .cse19) (or .cse20 .cse9 .cse18 .cse10))) (or .cse9 .cse8 .cse10 .cse11 .cse15) (or (or .cse5 .cse6 .cse15) .cse7) (or .cse13 .cse0 .cse1 .cse21) (or (and (or .cse9 .cse10 .cse19) (or .cse20 .cse9 .cse10)) .cse18 .cse17 .cse15))))) [2018-12-09 00:58:08,654 INFO L444 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse29 (= ~systemActive~0 1))) (let ((.cse22 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (not .cse29))) (let ((.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse14 (< 2 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse25 (= ~methaneLevelCritical~0 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse28 (<= ~waterLevel~0 0)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse27 (or .cse22 .cse12))) (let ((.cse2 (or .cse26 .cse27)) (.cse3 (and .cse15 .cse25 .cse29 .cse10 .cse16 .cse18 .cse28)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (and .cse6 .cse18 .cse28 .cse7)) (.cse8 (or .cse14 .cse27)) (.cse13 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse21 (or .cse12 .cse24)) (.cse9 (not .cse26)) (.cse23 (= 1 ~waterLevel~0)) (.cse19 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse11 (and .cse16 .cse18 .cse7)) (.cse1 (not .cse25)) (.cse20 (or .cse10 .cse12 .cse24))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse10 .cse11 .cse12 .cse13) (or .cse1 .cse2 .cse14 .cse3 (and .cse15 .cse5 .cse16)) (or .cse11 .cse1 .cse10 .cse12 .cse17) (or .cse4 .cse0 .cse8 .cse9) (or (and (<= ~pumpRunning~0 0) .cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7) (and (= ~waterLevel~0 2) .cse18) (and (or .cse10 .cse12 .cse13) (or .cse19 .cse10 .cse12)) .cse14 .cse9) (or (and .cse6 .cse18) .cse11 (or .cse20 .cse9)) (or (or .cse1 .cse21 .cse22) .cse23) (or .cse10 .cse11 .cse12 .cse17 .cse9) (or (or .cse21 .cse22 .cse9) .cse23) (or .cse19 .cse0 .cse1 .cse10 .cse11 .cse12) (or .cse11 (or .cse1 .cse20))))))) [2018-12-09 00:58:08,654 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2018-12-09 00:58:08,654 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2018-12-09 00:58:08,654 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)))) (.cse12 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or (and (and .cse6 .cse7) .cse8) (or .cse4 .cse9 .cse10 .cse1)) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse3) (or (and (or .cse0 .cse1 .cse11) (or .cse12 .cse0 .cse1)) .cse9 .cse3) (or .cse12 .cse4 .cse0 .cse9 .cse1) (or .cse4 .cse0 .cse9 .cse1 .cse11) (or (and .cse6 .cse8 .cse7) (or .cse9 (or .cse10 .cse1)) .cse3)))) [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point L580(lines 576 598) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point L578(lines 576 598) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (or (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 00:58:08,655 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:58:08,655 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 00:58:08,656 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 00:58:08,656 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse7 (or .cse10 .cse4 (not (= |old(~waterLevel~0)| 1)))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (or .cse10 .cse4)) (.cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse2 .cse3) (or .cse8 .cse7 .cse2) (or .cse2 .cse0 .cse1 .cse3 .cse6) (or .cse8 .cse0 .cse2 .cse1 .cse6) (or .cse9 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse2 .cse5 .cse3) (or .cse8 .cse2 (and (or (< ~switchedOnBeforeTS~0 1) .cse9 .cse0) (or .cse9 .cse0 .cse1)))))) [2018-12-09 00:58:08,656 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2018-12-09 00:58:08,656 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2018-12-09 00:58:08,656 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-09 00:58:08,656 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2018-12-09 00:58:08,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:58:08 BoogieIcfgContainer [2018-12-09 00:58:08,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:58:08,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:58:08,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:58:08,668 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:58:08,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:57:41" (3/4) ... [2018-12-09 00:58:08,671 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:58:08,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:58:08,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:58:08,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:58:08,677 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:58:08,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-12-09 00:58:08,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:58:08,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:58:08,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:58:08,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:58:08,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:58:08,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 1) || ((((0 == methaneLevelCritical && waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || ((((waterLevel == 2 && methaneLevelCritical == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:58:08,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:58:08,719 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_049772dc-1010-4c24-b307-35153ecb4048/bin-2019/utaipan/witness.graphml [2018-12-09 00:58:08,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:58:08,720 INFO L168 Benchmark]: Toolchain (without parser) took 27946.40 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -328.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 00:58:08,720 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:58:08,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:58:08,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:58:08,721 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 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. [2018-12-09 00:58:08,721 INFO L168 Benchmark]: RCFGBuilder took 333.47 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:58:08,721 INFO L168 Benchmark]: TraceAbstraction took 27222.70 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 00:58:08,721 INFO L168 Benchmark]: Witness Printer took 51.52 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 56.8 kB). Peak memory consumption was 56.8 kB. Max. memory is 11.5 GB. [2018-12-09 00:58:08,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.02 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 333.47 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27222.70 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 51.52 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 56.8 kB). Peak memory consumption was 56.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 1) || ((((0 == methaneLevelCritical && waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || ((((waterLevel == 2 && methaneLevelCritical == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 27.1s OverallTime, 15 OverallIterations, 9 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 10.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3209 SDtfs, 4897 SDslu, 10591 SDs, 0 SdLazy, 12304 SolverSat, 2881 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2557 GetRequests, 2249 SyntacticMatches, 41 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1966occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.9s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1550 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4120 PreInvPairs, 4366 NumberOfFragments, 4870 HoareAnnotationTreeSize, 4120 FomulaSimplifications, 95126 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 64 FomulaSimplificationsInter, 105981 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3719 NumberOfCodeBlocks, 3719 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4808 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014775 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4750 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 3916/4199 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...