./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_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_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:37:20,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:37:20,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:37:20,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:37:20,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:37:20,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:37:20,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:37:20,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:37:20,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:37:20,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:37:20,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:37:20,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:37:20,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:37:20,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:37:20,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:37:20,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:37:20,319 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:37:20,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:37:20,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:37:20,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:37:20,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:37:20,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:37:20,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:37:20,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:37:20,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:37:20,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:37:20,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:37:20,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:37:20,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:37:20,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:37:20,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:37:20,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:37:20,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:37:20,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:37:20,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:37:20,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:37:20,331 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 03:37:20,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:37:20,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:37:20,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:37:20,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:37:20,342 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:37:20,343 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:37:20,343 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:37:20,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:37:20,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:37:20,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:37:20,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:37:20,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:37:20,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:37:20,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:37:20,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:37:20,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 03:37:20,346 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_c2fbd046-30c6-4e65-878c-684bbc20a721/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-09 03:37:20,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:37:20,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:37:20,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:37:20,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:37:20,381 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:37:20,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-09 03:37:20,425 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/data/91a20c6be/a2153b027f2d4ae0ae7d50ab036d063b/FLAGae37b887c [2018-12-09 03:37:20,768 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:37:20,769 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-09 03:37:20,775 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/data/91a20c6be/a2153b027f2d4ae0ae7d50ab036d063b/FLAGae37b887c [2018-12-09 03:37:21,152 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/data/91a20c6be/a2153b027f2d4ae0ae7d50ab036d063b [2018-12-09 03:37:21,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:37:21,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:37:21,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:37:21,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:37:21,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:37:21,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21, skipping insertion in model container [2018-12-09 03:37:21,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:37:21,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:37:21,333 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:37:21,373 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:37:21,414 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:37:21,431 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:37:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21 WrapperNode [2018-12-09 03:37:21,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:37:21,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:37:21,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:37:21,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:37:21,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:37:21,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:37:21,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:37:21,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:37:21,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... [2018-12-09 03:37:21,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:37:21,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:37:21,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:37:21,476 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:37:21,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/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 03:37:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 03:37:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 03:37:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:37:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:37:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 03:37:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 03:37:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:37:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 03:37:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 03:37:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 03:37:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 03:37:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 03:37:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 03:37:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 03:37:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 03:37:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 03:37:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 03:37:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:37:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:37:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 03:37:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 03:37:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 03:37:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 03:37:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 03:37:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 03:37:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 03:37:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:37:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 03:37:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 03:37:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 03:37:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 03:37:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 03:37:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 03:37:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 03:37:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 03:37:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 03:37:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 03:37:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 03:37:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 03:37:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 03:37:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 03:37:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 03:37:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:37:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:37:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 03:37:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 03:37:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 03:37:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 03:37:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:37:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:37:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 03:37:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 03:37:21,808 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:37:21,808 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 03:37:21,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:37:21 BoogieIcfgContainer [2018-12-09 03:37:21,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:37:21,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:37:21,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:37:21,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:37:21,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:37:21" (1/3) ... [2018-12-09 03:37:21,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1199396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:37:21, skipping insertion in model container [2018-12-09 03:37:21,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:21" (2/3) ... [2018-12-09 03:37:21,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1199396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:37:21, skipping insertion in model container [2018-12-09 03:37:21,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:37:21" (3/3) ... [2018-12-09 03:37:21,813 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-09 03:37:21,819 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:37:21,824 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:37:21,833 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:37:21,852 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:37:21,853 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:37:21,853 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:37:21,853 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:37:21,853 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:37:21,853 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:37:21,853 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:37:21,853 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:37:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-12-09 03:37:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 03:37:21,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:21,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:21,871 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:21,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-12-09 03:37:21,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:21,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:21,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:21,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:21,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:22,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:22,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 03:37:22,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:22,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 03:37:22,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 03:37:22,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:37:22,024 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-12-09 03:37:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:22,048 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-12-09 03:37:22,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 03:37:22,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 03:37:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:22,056 INFO L225 Difference]: With dead ends: 288 [2018-12-09 03:37:22,056 INFO L226 Difference]: Without dead ends: 144 [2018-12-09 03:37:22,058 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 03:37:22,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-09 03:37:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-09 03:37:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-09 03:37:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-09 03:37:22,090 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-12-09 03:37:22,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:22,090 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-09 03:37:22,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 03:37:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-09 03:37:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 03:37:22,092 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:22,092 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:22,092 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:22,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:22,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-12-09 03:37:22,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:22,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:22,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:22,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:22,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 03:37:22,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:22,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 03:37:22,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 03:37:22,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:37:22,171 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-12-09 03:37:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:22,185 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-12-09 03:37:22,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 03:37:22,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 03:37:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:22,186 INFO L225 Difference]: With dead ends: 233 [2018-12-09 03:37:22,186 INFO L226 Difference]: Without dead ends: 135 [2018-12-09 03:37:22,187 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 03:37:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-09 03:37:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-09 03:37:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-09 03:37:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-12-09 03:37:22,195 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-12-09 03:37:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:22,195 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-12-09 03:37:22,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 03:37:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-12-09 03:37:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 03:37:22,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:22,196 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:22,196 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:22,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-12-09 03:37:22,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:22,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:22,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:22,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:22,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:37:22,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:22,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:37:22,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:37:22,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:37:22,260 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-12-09 03:37:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:22,430 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-12-09 03:37:22,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 03:37:22,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 03:37:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:22,432 INFO L225 Difference]: With dead ends: 246 [2018-12-09 03:37:22,432 INFO L226 Difference]: Without dead ends: 135 [2018-12-09 03:37:22,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:37:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-09 03:37:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-09 03:37:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-09 03:37:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-12-09 03:37:22,444 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-12-09 03:37:22,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:22,445 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-12-09 03:37:22,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:37:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-12-09 03:37:22,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 03:37:22,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:22,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:22,447 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:22,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:22,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-12-09 03:37:22,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:22,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:22,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:22,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:22,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 03:37:22,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:22,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 03:37:22,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 03:37:22,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 03:37:22,529 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-12-09 03:37:22,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:22,807 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-12-09 03:37:22,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:37:22,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-09 03:37:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:22,809 INFO L225 Difference]: With dead ends: 347 [2018-12-09 03:37:22,809 INFO L226 Difference]: Without dead ends: 236 [2018-12-09 03:37:22,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 03:37:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-09 03:37:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-12-09 03:37:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-09 03:37:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-12-09 03:37:22,825 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-12-09 03:37:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:22,826 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-12-09 03:37:22,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 03:37:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-12-09 03:37:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 03:37:22,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:22,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:22,827 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:22,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:22,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-12-09 03:37:22,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:22,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:22,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:22,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:22,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:22,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 03:37:22,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:22,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 03:37:22,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 03:37:22,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 03:37:22,900 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-12-09 03:37:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:23,014 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-12-09 03:37:23,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 03:37:23,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-09 03:37:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:23,017 INFO L225 Difference]: With dead ends: 588 [2018-12-09 03:37:23,018 INFO L226 Difference]: Without dead ends: 395 [2018-12-09 03:37:23,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 03:37:23,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-12-09 03:37:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-12-09 03:37:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-09 03:37:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-12-09 03:37:23,047 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-12-09 03:37:23,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:23,048 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-12-09 03:37:23,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 03:37:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-12-09 03:37:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 03:37:23,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:23,049 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:37:23,049 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:23,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:23,050 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-12-09 03:37:23,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:23,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:23,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:37:23,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:23,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:37:23,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:23,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:37:23,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:37:23,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:37:23,123 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-12-09 03:37:23,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:23,445 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-12-09 03:37:23,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 03:37:23,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-09 03:37:23,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:23,447 INFO L225 Difference]: With dead ends: 424 [2018-12-09 03:37:23,447 INFO L226 Difference]: Without dead ends: 421 [2018-12-09 03:37:23,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 03:37:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-09 03:37:23,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-12-09 03:37:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-09 03:37:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-12-09 03:37:23,463 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-12-09 03:37:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:23,463 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-12-09 03:37:23,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:37:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-12-09 03:37:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 03:37:23,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:23,464 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] [2018-12-09 03:37:23,464 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:23,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-12-09 03:37:23,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:23,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:23,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:23,503 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 03:37:23,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:23,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 03:37:23,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:23,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 03:37:23,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 03:37:23,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 03:37:23,505 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-12-09 03:37:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:23,550 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-12-09 03:37:23,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 03:37:23,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-09 03:37:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:23,553 INFO L225 Difference]: With dead ends: 768 [2018-12-09 03:37:23,553 INFO L226 Difference]: Without dead ends: 403 [2018-12-09 03:37:23,554 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 03:37:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-09 03:37:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-09 03:37:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-09 03:37:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-12-09 03:37:23,574 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-12-09 03:37:23,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:23,575 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-12-09 03:37:23,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 03:37:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-12-09 03:37:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 03:37:23,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:23,576 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] [2018-12-09 03:37:23,576 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:23,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:23,577 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-12-09 03:37:23,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:23,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:23,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:23,648 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 03:37:23,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:23,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 03:37:23,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:23,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 03:37:23,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 03:37:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 03:37:23,649 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-12-09 03:37:23,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:23,672 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-12-09 03:37:23,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 03:37:23,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-09 03:37:23,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:23,673 INFO L225 Difference]: With dead ends: 788 [2018-12-09 03:37:23,674 INFO L226 Difference]: Without dead ends: 413 [2018-12-09 03:37:23,674 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 03:37:23,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-09 03:37:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-09 03:37:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-09 03:37:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-12-09 03:37:23,686 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-12-09 03:37:23,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:23,686 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-12-09 03:37:23,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 03:37:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-12-09 03:37:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 03:37:23,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:23,687 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] [2018-12-09 03:37:23,687 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:23,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:23,687 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-12-09 03:37:23,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:23,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:23,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:23,753 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 03:37:23,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:23,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 03:37:23,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:23,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 03:37:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 03:37:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 03:37:23,754 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-12-09 03:37:23,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:23,890 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-12-09 03:37:23,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 03:37:23,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-09 03:37:23,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:23,893 INFO L225 Difference]: With dead ends: 1209 [2018-12-09 03:37:23,893 INFO L226 Difference]: Without dead ends: 826 [2018-12-09 03:37:23,894 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 03:37:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-12-09 03:37:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-12-09 03:37:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-09 03:37:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-12-09 03:37:23,918 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-12-09 03:37:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:23,919 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-12-09 03:37:23,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 03:37:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-12-09 03:37:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 03:37:23,920 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:23,920 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] [2018-12-09 03:37:23,920 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:23,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:23,920 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-12-09 03:37:23,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:23,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 03:37:24,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:37:24,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:37:24,002 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-09 03:37:24,003 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [94], [99], [105], [108], [118], [119], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [158], [162], [195], [196], [204], [210], [213], [215], [218], [228], [231], [235], [236], [239], [241], [244], [246], [249], [258], [259], [260], [261], [262], [263], [264], [265], [266], [270], [272], [273], [280], [281], [282], [283], [284], [285], [288], [292], [293], [294], [295], [296], [297], [300], [301], [302], [308], [309], [310], [312], [313], [314], [315], [320], [321], [322], [323], [324] [2018-12-09 03:37:24,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:37:24,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:37:24,283 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:37:24,284 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 03:37:24,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:24,293 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:37:24,460 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.17% of their original sizes. [2018-12-09 03:37:24,460 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:37:24,631 INFO L418 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-12-09 03:37:24,632 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:37:24,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:37:24,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-09 03:37:24,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:24,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 03:37:24,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 03:37:24,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-12-09 03:37:24,633 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 24 states. [2018-12-09 03:37:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:28,837 INFO L93 Difference]: Finished difference Result 1791 states and 2112 transitions. [2018-12-09 03:37:28,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 03:37:28,837 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 103 [2018-12-09 03:37:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:28,839 INFO L225 Difference]: With dead ends: 1791 [2018-12-09 03:37:28,839 INFO L226 Difference]: Without dead ends: 1004 [2018-12-09 03:37:28,840 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2018-12-09 03:37:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2018-12-09 03:37:28,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1000. [2018-12-09 03:37:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2018-12-09 03:37:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1132 transitions. [2018-12-09 03:37:28,869 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1132 transitions. Word has length 103 [2018-12-09 03:37:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:28,869 INFO L480 AbstractCegarLoop]: Abstraction has 1000 states and 1132 transitions. [2018-12-09 03:37:28,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 03:37:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1132 transitions. [2018-12-09 03:37:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 03:37:28,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:28,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:28,871 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:28,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1202923825, now seen corresponding path program 1 times [2018-12-09 03:37:28,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:28,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:28,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:28,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:28,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:37:28,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:37:28,918 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:37:28,918 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-09 03:37:28,918 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-12-09 03:37:28,920 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:37:28,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:37:29,291 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:37:29,291 INFO L272 AbstractInterpreter]: Visited 110 different actions 193 times. Merged at 9 different actions 14 times. Never widened. Performed 10694 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-12-09 03:37:29,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:29,297 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:37:29,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:37:29,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/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 03:37:29,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:29,307 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:37:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:29,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:37:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:37:29,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:37:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:37:29,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 03:37:29,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 03:37:29,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:29,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 03:37:29,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 03:37:29,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:37:29,630 INFO L87 Difference]: Start difference. First operand 1000 states and 1132 transitions. Second operand 5 states. [2018-12-09 03:37:29,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:29,973 INFO L93 Difference]: Finished difference Result 1905 states and 2275 transitions. [2018-12-09 03:37:29,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:37:29,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-12-09 03:37:29,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:29,979 INFO L225 Difference]: With dead ends: 1905 [2018-12-09 03:37:29,979 INFO L226 Difference]: Without dead ends: 1272 [2018-12-09 03:37:29,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:37:29,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-12-09 03:37:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1156. [2018-12-09 03:37:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2018-12-09 03:37:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1331 transitions. [2018-12-09 03:37:30,044 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1331 transitions. Word has length 161 [2018-12-09 03:37:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:30,044 INFO L480 AbstractCegarLoop]: Abstraction has 1156 states and 1331 transitions. [2018-12-09 03:37:30,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 03:37:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1331 transitions. [2018-12-09 03:37:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 03:37:30,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:30,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:30,047 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:30,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:30,048 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-12-09 03:37:30,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:30,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:30,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:30,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:30,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:37:30,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:37:30,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:37:30,156 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-09 03:37:30,156 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-12-09 03:37:30,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:37:30,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:37:31,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:37:31,195 INFO L272 AbstractInterpreter]: Visited 133 different actions 906 times. Merged at 18 different actions 71 times. Never widened. Performed 32694 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-09 03:37:31,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:31,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:37:31,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:37:31,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/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 03:37:31,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:31,206 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:37:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:31,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:37:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:37:31,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:37:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:37:31,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 03:37:31,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 03:37:31,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:31,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 03:37:31,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 03:37:31,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 03:37:31,576 INFO L87 Difference]: Start difference. First operand 1156 states and 1331 transitions. Second operand 9 states. [2018-12-09 03:37:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:32,189 INFO L93 Difference]: Finished difference Result 2547 states and 3204 transitions. [2018-12-09 03:37:32,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 03:37:32,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-09 03:37:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:32,194 INFO L225 Difference]: With dead ends: 2547 [2018-12-09 03:37:32,194 INFO L226 Difference]: Without dead ends: 1764 [2018-12-09 03:37:32,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 03:37:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2018-12-09 03:37:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1444. [2018-12-09 03:37:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-12-09 03:37:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1673 transitions. [2018-12-09 03:37:32,245 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1673 transitions. Word has length 157 [2018-12-09 03:37:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:32,245 INFO L480 AbstractCegarLoop]: Abstraction has 1444 states and 1673 transitions. [2018-12-09 03:37:32,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 03:37:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1673 transitions. [2018-12-09 03:37:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 03:37:32,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:37:32,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:32,248 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:37:32,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:37:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-12-09 03:37:32,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:37:32,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:32,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:37:32,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:37:32,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:37:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:37:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:37:32,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:37:32,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 03:37:32,309 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:37:32,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 03:37:32,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 03:37:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 03:37:32,310 INFO L87 Difference]: Start difference. First operand 1444 states and 1673 transitions. Second operand 9 states. [2018-12-09 03:37:32,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:37:32,365 INFO L93 Difference]: Finished difference Result 1848 states and 2139 transitions. [2018-12-09 03:37:32,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 03:37:32,366 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-09 03:37:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:37:32,366 INFO L225 Difference]: With dead ends: 1848 [2018-12-09 03:37:32,367 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 03:37:32,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:37:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 03:37:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 03:37:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 03:37:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 03:37:32,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-09 03:37:32,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:37:32,371 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 03:37:32,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 03:37:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 03:37:32,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:37:32,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 03:37:32,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:32,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:37:33,616 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-12-09 03:37:33,925 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-12-09 03:37:34,867 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-12-09 03:37:35,030 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-12-09 03:37:35,030 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-12-09 03:37:35,030 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-12-09 03:37:35,030 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-12-09 03:37:35,030 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-12-09 03:37:35,030 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,030 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,030 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,030 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,031 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,031 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-09 03:37:35,031 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-12-09 03:37:35,031 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-12-09 03:37:35,032 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-12-09 03:37:35,032 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-12-09 03:37:35,033 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-09 03:37:35,034 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-12-09 03:37:35,034 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:37:35,035 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 03:37:35,036 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-12-09 03:37:35,036 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) (and .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4)) (or .cse6 .cse4 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse0 .cse1 .cse2) .cse11))) [2018-12-09 03:37:35,037 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 1)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse8 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse13 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse13)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse7 .cse5) .cse6 .cse8 .cse3 .cse9) (or .cse8 (and .cse10 .cse11) (or .cse12 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or (and .cse10 .cse7) (or .cse0 .cse12 .cse3) (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11))))) [2018-12-09 03:37:35,037 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-12-09 03:37:35,037 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 03:37:35,038 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse5 .cse3 (< ~waterLevel~0 1) .cse2 .cse4))) [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (and .cse2 .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< ~waterLevel~0 1) .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 .cse1 .cse5 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse0 .cse1 .cse5 .cse6)))) [2018-12-09 03:37:35,038 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-12-09 03:37:35,038 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= 2 ~waterLevel~0) .cse1) (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (or .cse3 .cse0 (< ~waterLevel~0 2) .cse2)) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-12-09 03:37:35,039 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-09 03:37:35,039 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-09 03:37:35,040 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-12-09 03:37:35,040 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-12-09 03:37:35,040 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-12-09 03:37:35,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:37:35 BoogieIcfgContainer [2018-12-09 03:37:35,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:37:35,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:37:35,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:37:35,048 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:37:35,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:37:21" (3/4) ... [2018-12-09 03:37:35,052 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 03:37:35,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 03:37:35,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 03:37:35,061 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 03:37:35,061 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 03:37:35,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 03:37:35,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 03:37:35,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 03:37:35,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 03:37:35,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 03:37:35,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 03:37:35,114 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2fbd046-30c6-4e65-878c-684bbc20a721/bin-2019/utaipan/witness.graphml [2018-12-09 03:37:35,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:37:35,115 INFO L168 Benchmark]: Toolchain (without parser) took 13960.80 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 708.3 MB). Free memory was 947.0 MB in the beginning and 1.5 GB in the end (delta: -539.4 MB). Peak memory consumption was 169.0 MB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,116 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:37:35,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:37:35,116 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,116 INFO L168 Benchmark]: RCFGBuilder took 333.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,117 INFO L168 Benchmark]: TraceAbstraction took 13238.89 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 617.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -460.9 MB). Peak memory consumption was 700.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,117 INFO L168 Benchmark]: Witness Printer took 66.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 78.1 kB). Peak memory consumption was 78.1 kB. Max. memory is 11.5 GB. [2018-12-09 03:37:35,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 333.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13238.89 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 617.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -460.9 MB). Peak memory consumption was 700.5 MB. Max. memory is 11.5 GB. * Witness Printer took 66.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 78.1 kB). Peak memory consumption was 78.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 13.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2459 SDtfs, 1851 SDslu, 7850 SDs, 0 SdLazy, 3861 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 887 GetRequests, 757 SyntacticMatches, 6 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1444occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9967818434047467 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 522 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2344 PreInvPairs, 2444 NumberOfFragments, 2323 HoareAnnotationTreeSize, 2344 FomulaSimplifications, 13709 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 12593 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1565 NumberOfCodeBlocks, 1565 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 377262 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1775 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 251/269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...