./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/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 74af0999cbe879befd0a6903faa6dabc12f5915f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:21:05,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:21:05,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:21:05,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:21:05,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:21:05,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:21:05,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:21:05,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:21:05,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:21:05,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:21:05,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:21:05,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:21:05,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:21:05,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:21:05,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:21:05,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:21:05,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:21:05,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:21:05,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:21:05,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:21:05,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:21:05,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:21:05,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:21:05,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:21:05,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:21:05,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:21:05,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:21:05,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:21:05,459 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:21:05,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:21:05,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:21:05,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:21:05,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:21:05,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:21:05,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:21:05,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:21:05,462 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:21:05,471 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:21:05,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:21:05,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:21:05,472 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:21:05,472 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:21:05,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:21:05,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:21:05,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:21:05,474 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:21:05,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:21:05,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:21:05,475 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:21:05,476 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:21:05,476 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:21:05,476 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_d6ed07cd-73d7-453e-b967-975d679b5e04/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-11-23 12:21:05,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:21:05,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:21:05,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:21:05,513 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:21:05,513 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:21:05,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 12:21:05,549 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/data/282db36b6/7d2f7554ce424a1bbb5b914a4350d20c/FLAGe40d2b3e4 [2018-11-23 12:21:05,997 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:21:05,997 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 12:21:06,004 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/data/282db36b6/7d2f7554ce424a1bbb5b914a4350d20c/FLAGe40d2b3e4 [2018-11-23 12:21:06,013 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/data/282db36b6/7d2f7554ce424a1bbb5b914a4350d20c [2018-11-23 12:21:06,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:21:06,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:21:06,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:21:06,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:21:06,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:21:06,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06, skipping insertion in model container [2018-11-23 12:21:06,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:21:06,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:21:06,247 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:21:06,257 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:21:06,349 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:21:06,364 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:21:06,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06 WrapperNode [2018-11-23 12:21:06,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:21:06,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:21:06,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:21:06,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:21:06,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:21:06,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:21:06,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:21:06,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:21:06,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... [2018-11-23 12:21:06,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:21:06,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:21:06,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:21:06,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:21:06,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:21:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:21:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:21:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:21:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:21:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:21:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:21:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:21:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:21:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:21:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:21:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:21:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:21:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:21:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:21:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:21:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:21:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:21:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:21:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:21:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:21:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:21:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:21:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:21:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:21:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:21:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:21:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:21:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:21:06,844 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:21:06,845 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:21:06,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:21:06 BoogieIcfgContainer [2018-11-23 12:21:06,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:21:06,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:21:06,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:21:06,848 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:21:06,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:21:06" (1/3) ... [2018-11-23 12:21:06,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6497e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:21:06, skipping insertion in model container [2018-11-23 12:21:06,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:21:06" (2/3) ... [2018-11-23 12:21:06,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6497e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:21:06, skipping insertion in model container [2018-11-23 12:21:06,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:21:06" (3/3) ... [2018-11-23 12:21:06,850 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 12:21:06,857 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:21:06,863 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:21:06,872 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:21:06,894 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:21:06,894 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:21:06,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:21:06,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:21:06,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:21:06,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:21:06,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:21:06,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:21:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-23 12:21:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:21:06,917 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:06,917 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] [2018-11-23 12:21:06,919 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:06,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-11-23 12:21:06,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:06,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:06,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:06,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:06,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:07,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:07,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:21:07,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:07,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:21:07,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:21:07,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:21:07,121 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-23 12:21:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:07,152 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-11-23 12:21:07,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:21:07,154 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 12:21:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:07,163 INFO L225 Difference]: With dead ends: 292 [2018-11-23 12:21:07,163 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 12:21:07,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:21:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 12:21:07,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 12:21:07,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 12:21:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-11-23 12:21:07,206 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-11-23 12:21:07,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:07,207 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-11-23 12:21:07,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:21:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-11-23 12:21:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:21:07,210 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:07,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:07,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:07,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:07,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-11-23 12:21:07,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:07,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:07,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:07,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:07,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:21:07,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:07,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:21:07,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:21:07,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:21:07,288 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-11-23 12:21:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:07,309 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-11-23 12:21:07,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:21:07,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:21:07,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:07,312 INFO L225 Difference]: With dead ends: 241 [2018-11-23 12:21:07,312 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 12:21:07,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:21:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 12:21:07,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 12:21:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 12:21:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-23 12:21:07,322 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-11-23 12:21:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:07,322 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-23 12:21:07,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:21:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-23 12:21:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:21:07,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:07,324 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] [2018-11-23 12:21:07,324 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:07,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:07,324 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-11-23 12:21:07,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:07,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:07,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:21:07,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:07,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:21:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:21:07,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:21:07,445 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-11-23 12:21:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:07,646 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-11-23 12:21:07,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:21:07,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 12:21:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:07,648 INFO L225 Difference]: With dead ends: 250 [2018-11-23 12:21:07,648 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 12:21:07,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:21:07,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 12:21:07,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 12:21:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 12:21:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-11-23 12:21:07,658 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-11-23 12:21:07,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:07,658 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-11-23 12:21:07,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:21:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-11-23 12:21:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 12:21:07,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:07,661 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] [2018-11-23 12:21:07,661 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:07,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:07,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-11-23 12:21:07,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:07,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:07,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:07,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:07,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:07,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:21:07,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:07,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:21:07,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:21:07,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:21:07,751 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-11-23 12:21:08,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:08,074 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-11-23 12:21:08,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:21:08,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-23 12:21:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:08,077 INFO L225 Difference]: With dead ends: 354 [2018-11-23 12:21:08,077 INFO L226 Difference]: Without dead ends: 243 [2018-11-23 12:21:08,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:21:08,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-23 12:21:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-11-23 12:21:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 12:21:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-11-23 12:21:08,101 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-11-23 12:21:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:08,101 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-11-23 12:21:08,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:21:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-11-23 12:21:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:21:08,103 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:08,103 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:08,104 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:08,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:08,104 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-11-23 12:21:08,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:08,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:08,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:08,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:08,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:21:08,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:08,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:21:08,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:21:08,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:21:08,188 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-11-23 12:21:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:08,331 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-11-23 12:21:08,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:21:08,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 12:21:08,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:08,334 INFO L225 Difference]: With dead ends: 601 [2018-11-23 12:21:08,335 INFO L226 Difference]: Without dead ends: 404 [2018-11-23 12:21:08,336 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 [2018-11-23 12:21:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-23 12:21:08,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-11-23 12:21:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-11-23 12:21:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-11-23 12:21:08,364 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-11-23 12:21:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:08,364 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-11-23 12:21:08,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:21:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-11-23 12:21:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 12:21:08,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:08,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:08,366 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:08,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:08,366 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-11-23 12:21:08,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:08,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:08,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:08,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:08,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:21:08,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:08,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:21:08,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:21:08,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:21:08,455 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-11-23 12:21:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:08,780 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-11-23 12:21:08,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:21:08,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-23 12:21:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:08,783 INFO L225 Difference]: With dead ends: 797 [2018-11-23 12:21:08,784 INFO L226 Difference]: Without dead ends: 427 [2018-11-23 12:21:08,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:21:08,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-23 12:21:08,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-11-23 12:21:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-23 12:21:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-11-23 12:21:08,805 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-11-23 12:21:08,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:08,806 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-11-23 12:21:08,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:21:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-11-23 12:21:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 12:21:08,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:08,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:08,808 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:08,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:08,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-11-23 12:21:08,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:08,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:08,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:08,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:08,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:21:08,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:08,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:21:08,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:21:08,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:21:08,868 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-11-23 12:21:08,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:08,892 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-11-23 12:21:08,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:21:08,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-23 12:21:08,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:08,895 INFO L225 Difference]: With dead ends: 776 [2018-11-23 12:21:08,895 INFO L226 Difference]: Without dead ends: 407 [2018-11-23 12:21:08,896 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 [2018-11-23 12:21:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-23 12:21:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-11-23 12:21:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-23 12:21:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-11-23 12:21:08,911 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-11-23 12:21:08,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:08,911 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-11-23 12:21:08,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:21:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-11-23 12:21:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 12:21:08,913 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:08,913 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:08,913 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:08,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:08,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-11-23 12:21:08,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:08,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:08,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:08,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:08,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:08,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:21:08,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:08,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:21:08,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:21:08,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:21:08,977 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-11-23 12:21:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:09,004 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-11-23 12:21:09,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:21:09,006 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-23 12:21:09,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:09,007 INFO L225 Difference]: With dead ends: 800 [2018-11-23 12:21:09,007 INFO L226 Difference]: Without dead ends: 421 [2018-11-23 12:21:09,008 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 [2018-11-23 12:21:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-23 12:21:09,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-11-23 12:21:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-23 12:21:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-11-23 12:21:09,022 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-11-23 12:21:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:09,023 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-11-23 12:21:09,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:21:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-11-23 12:21:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 12:21:09,024 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:09,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:09,024 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:09,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:09,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-11-23 12:21:09,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:09,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:09,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:09,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:09,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:21:09,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:09,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:21:09,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:21:09,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:21:09,094 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-11-23 12:21:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:09,219 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-11-23 12:21:09,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:21:09,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-23 12:21:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:09,222 INFO L225 Difference]: With dead ends: 1250 [2018-11-23 12:21:09,222 INFO L226 Difference]: Without dead ends: 863 [2018-11-23 12:21:09,223 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 [2018-11-23 12:21:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-23 12:21:09,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-11-23 12:21:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-23 12:21:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-11-23 12:21:09,247 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-11-23 12:21:09,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:09,247 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-11-23 12:21:09,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:21:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-11-23 12:21:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 12:21:09,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:09,249 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:09,249 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:09,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:09,249 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-11-23 12:21:09,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:09,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:09,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:09,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:21:09,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:21:09,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:09,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:21:09,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:21:09,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:21:09,292 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-11-23 12:21:09,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:09,333 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-11-23 12:21:09,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:21:09,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-23 12:21:09,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:09,336 INFO L225 Difference]: With dead ends: 866 [2018-11-23 12:21:09,336 INFO L226 Difference]: Without dead ends: 863 [2018-11-23 12:21:09,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:21:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-23 12:21:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-11-23 12:21:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-11-23 12:21:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-11-23 12:21:09,370 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-11-23 12:21:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:09,370 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-11-23 12:21:09,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:21:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-11-23 12:21:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 12:21:09,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:09,374 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:09,374 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:09,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:09,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-11-23 12:21:09,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:09,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:09,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:09,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 12:21:09,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:21:09,467 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:21:09,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 12:21:09,469 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [120], [122], [125], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [166], [168], [169], [170], [202], [206], [212], [220], [224], [227], [229], [232], [242], [245], [249], [250], [253], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [284], [285], [286], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [312], [313], [320], [321], [322], [323], [324], [325], [326], [328], [329], [330], [331], [342], [343] [2018-11-23 12:21:09,495 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:21:09,495 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:21:10,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:21:10,860 INFO L272 AbstractInterpreter]: Visited 104 different actions 523 times. Merged at 13 different actions 43 times. Never widened. Performed 27595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 12:21:10,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:10,878 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:21:10,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:21:10,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:21:10,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:10,900 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:21:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:10,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:21:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:21:11,029 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:21:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 12:21:11,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:21:11,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 12:21:11,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:11,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:21:11,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:21:11,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:21:11,247 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 3 states. [2018-11-23 12:21:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:11,318 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-11-23 12:21:11,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:21:11,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 12:21:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:11,322 INFO L225 Difference]: With dead ends: 1201 [2018-11-23 12:21:11,322 INFO L226 Difference]: Without dead ends: 646 [2018-11-23 12:21:11,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:21:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-23 12:21:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-11-23 12:21:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-11-23 12:21:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-11-23 12:21:11,365 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-11-23 12:21:11,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:11,365 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-11-23 12:21:11,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:21:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-11-23 12:21:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 12:21:11,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:21:11,369 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:21:11,369 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:21:11,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:11,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-11-23 12:21:11,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:21:11,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:11,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:11,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:21:11,371 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:21:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:21:11,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:21:11,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:21:11,488 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-23 12:21:11,489 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [122], [125], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [166], [168], [169], [170], [199], [202], [206], [212], [215], [219], [220], [224], [227], [229], [232], [239], [242], [245], [249], [250], [253], [256], [258], [264], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [282], [283], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [312], [313], [318], [319], [320], [321], [322], [323], [324], [325], [326], [328], [329], [330], [331], [334], [335], [336], [337], [340], [341], [342], [343] [2018-11-23 12:21:11,492 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:21:11,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:21:12,750 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:21:12,750 INFO L272 AbstractInterpreter]: Visited 141 different actions 857 times. Merged at 20 different actions 80 times. Never widened. Performed 36276 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36276 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-23 12:21:12,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:21:12,754 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:21:12,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:21:12,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:21:12,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:21:12,765 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:21:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:21:12,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:21:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 12:21:13,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:21:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:21:13,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:21:13,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 12:21:13,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:21:13,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:21:13,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:21:13,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:21:13,455 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 8 states. [2018-11-23 12:21:13,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:21:13,613 INFO L93 Difference]: Finished difference Result 1165 states and 1322 transitions. [2018-11-23 12:21:13,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:21:13,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2018-11-23 12:21:13,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:21:13,614 INFO L225 Difference]: With dead ends: 1165 [2018-11-23 12:21:13,614 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:21:13,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:21:13,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:21:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:21:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:21:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:21:13,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-23 12:21:13,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:21:13,616 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:21:13,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:21:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:21:13,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:21:13,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:21:13,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:13,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:21:14,030 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-23 12:21:14,704 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-11-23 12:21:14,846 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-23 12:21:15,316 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2018-11-23 12:21:15,596 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-11-23 12:21:16,289 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-23 12:21:16,712 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-11-23 12:21:16,712 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-23 12:21:16,712 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-11-23 12:21:16,712 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-11-23 12:21:16,712 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,713 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,713 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,713 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-11-23 12:21:16,714 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-11-23 12:21:16,714 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-11-23 12:21:16,715 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-11-23 12:21:16,716 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-11-23 12:21:16,716 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-11-23 12:21:16,716 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-11-23 12:21:16,716 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-11-23 12:21:16,716 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-11-23 12:21:16,716 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-11-23 12:21:16,716 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-11-23 12:21:16,716 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-11-23 12:21:16,716 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse3)))) [2018-11-23 12:21:16,717 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-11-23 12:21:16,717 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,717 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-11-23 12:21:16,717 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-11-23 12:21:16,717 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-23 12:21:16,717 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-11-23 12:21:16,717 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2))) [2018-11-23 12:21:16,717 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-11-23 12:21:16,717 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 12:21:16,718 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-23 12:21:16,718 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-11-23 12:21:16,719 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 12:21:16,719 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 12:21:16,720 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-11-23 12:21:16,720 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-11-23 12:21:16,721 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-11-23 12:21:16,722 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-23 12:21:16,722 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-23 12:21:16,722 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-11-23 12:21:16,722 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-11-23 12:21:16,723 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:21:16,723 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 12:21:16,723 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:21:16,723 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 12:21:16,723 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) (or .cse0 .cse1)) (or (< ~methaneLevelCritical~0 1) (or .cse2 .cse0) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse0 .cse1) .cse3))) [2018-11-23 12:21:16,723 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-23 12:21:16,724 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-23 12:21:16,724 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 12:21:16,725 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,725 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-23 12:21:16,725 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-11-23 12:21:16,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:21:16 BoogieIcfgContainer [2018-11-23 12:21:16,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:21:16,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:21:16,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:21:16,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:21:16,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:21:06" (3/4) ... [2018-11-23 12:21:16,741 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:21:16,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:21:16,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:21:16,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 12:21:16,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:21:16,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:21:16,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:21:16,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:21:16,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:21:16,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:21:16,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-23 12:21:16,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:21:16,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6ed07cd-73d7-453e-b967-975d679b5e04/bin-2019/utaipan/witness.graphml [2018-11-23 12:21:16,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:21:16,805 INFO L168 Benchmark]: Toolchain (without parser) took 10789.50 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 710.4 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -279.8 MB). Peak memory consumption was 430.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,806 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:21:16,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -195.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,806 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:21:16,806 INFO L168 Benchmark]: RCFGBuilder took 430.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,807 INFO L168 Benchmark]: TraceAbstraction took 9891.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 546.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.8 MB). Peak memory consumption was 819.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,807 INFO L168 Benchmark]: Witness Printer took 67.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 410.9 kB). Peak memory consumption was 410.9 kB. Max. memory is 11.5 GB. [2018-11-23 12:21:16,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -195.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 430.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9891.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 546.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.8 MB). Peak memory consumption was 819.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 410.9 kB). Peak memory consumption was 410.9 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: 63]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2254 SDtfs, 1114 SDslu, 4656 SDs, 0 SdLazy, 1355 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 701 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1643 PreInvPairs, 1695 NumberOfFragments, 2600 HoareAnnotationTreeSize, 1643 FomulaSimplifications, 5595 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8478 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1772 ConstructedInterpolants, 0 QuantifiedInterpolants, 363051 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 292/312 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...