./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/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 38247fcadf5b4c668eea6d964bf6488ba6812482 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:20:59,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:20:59,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:20:59,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:20:59,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:20:59,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:20:59,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:20:59,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:20:59,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:20:59,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:20:59,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:20:59,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:20:59,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:20:59,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:20:59,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:20:59,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:20:59,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:20:59,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:20:59,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:20:59,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:20:59,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:20:59,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:20:59,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:20:59,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:20:59,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:20:59,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:20:59,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:20:59,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:20:59,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:20:59,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:20:59,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:20:59,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:20:59,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:20:59,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:20:59,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:20:59,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:20:59,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:20:59,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:20:59,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:20:59,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:20:59,562 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:20:59,562 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:20:59,562 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:20:59,562 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:20:59,562 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:20:59,563 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:20:59,563 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:20:59,563 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:20:59,563 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:20:59,563 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:20:59,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:20:59,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:20:59,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:20:59,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:20:59,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:20:59,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:20:59,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:20:59,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:20:59,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:20:59,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:20:59,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:20:59,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:20:59,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:20:59,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:20:59,567 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:20:59,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:20:59,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:20:59,567 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:20:59,567 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_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/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 -> 38247fcadf5b4c668eea6d964bf6488ba6812482 [2018-12-09 09:20:59,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:20:59,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:20:59,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:20:59,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:20:59,599 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:20:59,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-12-09 09:20:59,637 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/data/0fde72036/2ba823fe12794c799a8111195bfc72fc/FLAG59858bbe0 [2018-12-09 09:20:59,984 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:20:59,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-12-09 09:20:59,990 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/data/0fde72036/2ba823fe12794c799a8111195bfc72fc/FLAG59858bbe0 [2018-12-09 09:21:00,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/data/0fde72036/2ba823fe12794c799a8111195bfc72fc [2018-12-09 09:21:00,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:21:00,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:21:00,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:21:00,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:21:00,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:21:00,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00, skipping insertion in model container [2018-12-09 09:21:00,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:21:00,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:21:00,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:21:00,595 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:21:00,648 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:21:00,668 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:21:00,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00 WrapperNode [2018-12-09 09:21:00,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:21:00,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:21:00,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:21:00,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:21:00,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:21:00,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:21:00,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:21:00,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:21:00,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... [2018-12-09 09:21:00,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:21:00,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:21:00,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:21:00,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:21:00,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:21:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:21:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:21:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:21:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 09:21:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:21:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:21:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:21:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 09:21:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 09:21:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:21:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:21:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:21:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:21:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 09:21:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:21:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 09:21:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 09:21:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 09:21:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:21:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:21:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:21:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:21:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:21:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:21:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:21:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:21:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:21:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:21:01,026 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:21:01,026 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:21:01,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:21:01 BoogieIcfgContainer [2018-12-09 09:21:01,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:21:01,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:21:01,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:21:01,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:21:01,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:21:00" (1/3) ... [2018-12-09 09:21:01,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7989c47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:21:01, skipping insertion in model container [2018-12-09 09:21:01,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:21:00" (2/3) ... [2018-12-09 09:21:01,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7989c47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:21:01, skipping insertion in model container [2018-12-09 09:21:01,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:21:01" (3/3) ... [2018-12-09 09:21:01,031 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-12-09 09:21:01,037 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:21:01,041 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:21:01,050 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:21:01,068 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:21:01,068 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:21:01,068 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:21:01,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:21:01,069 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:21:01,069 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:21:01,069 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:21:01,069 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:21:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2018-12-09 09:21:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 09:21:01,086 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:01,086 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:01,088 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:01,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:01,091 INFO L82 PathProgramCache]: Analyzing trace with hash 291553051, now seen corresponding path program 1 times [2018-12-09 09:21:01,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:01,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:01,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:01,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:01,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:21:01,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:01,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:21:01,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:21:01,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:21:01,245 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2018-12-09 09:21:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:01,269 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions. [2018-12-09 09:21:01,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:21:01,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 09:21:01,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:01,278 INFO L225 Difference]: With dead ends: 328 [2018-12-09 09:21:01,278 INFO L226 Difference]: Without dead ends: 166 [2018-12-09 09:21:01,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:21:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-09 09:21:01,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-12-09 09:21:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-12-09 09:21:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2018-12-09 09:21:01,314 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2018-12-09 09:21:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:01,314 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2018-12-09 09:21:01,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:21:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2018-12-09 09:21:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:21:01,316 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:01,316 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:01,317 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:01,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:01,317 INFO L82 PathProgramCache]: Analyzing trace with hash 511668008, now seen corresponding path program 1 times [2018-12-09 09:21:01,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:01,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:01,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:01,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:01,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:21:01,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:01,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:21:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:21:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:21:01,374 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states. [2018-12-09 09:21:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:01,389 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2018-12-09 09:21:01,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:21:01,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 09:21:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:01,391 INFO L225 Difference]: With dead ends: 267 [2018-12-09 09:21:01,391 INFO L226 Difference]: Without dead ends: 157 [2018-12-09 09:21:01,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:21:01,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-12-09 09:21:01,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-12-09 09:21:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-12-09 09:21:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2018-12-09 09:21:01,401 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2018-12-09 09:21:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:01,401 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2018-12-09 09:21:01,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:21:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2018-12-09 09:21:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:21:01,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:01,403 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:01,403 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:01,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:01,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1875704169, now seen corresponding path program 1 times [2018-12-09 09:21:01,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:01,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:01,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:01,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:01,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:21:01,475 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:01,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:21:01,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:21:01,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:21:01,476 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 7 states. [2018-12-09 09:21:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:01,769 INFO L93 Difference]: Finished difference Result 471 states and 572 transitions. [2018-12-09 09:21:01,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:21:01,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 09:21:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:01,773 INFO L225 Difference]: With dead ends: 471 [2018-12-09 09:21:01,773 INFO L226 Difference]: Without dead ends: 342 [2018-12-09 09:21:01,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:21:01,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-12-09 09:21:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 330. [2018-12-09 09:21:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-12-09 09:21:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 400 transitions. [2018-12-09 09:21:01,808 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 400 transitions. Word has length 65 [2018-12-09 09:21:01,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:01,808 INFO L480 AbstractCegarLoop]: Abstraction has 330 states and 400 transitions. [2018-12-09 09:21:01,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:21:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions. [2018-12-09 09:21:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:21:01,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:01,811 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:01,812 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:01,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:01,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1522125447, now seen corresponding path program 1 times [2018-12-09 09:21:01,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:01,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:01,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:01,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:21:01,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:01,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:21:01,907 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:01,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:21:01,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:21:01,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:21:01,908 INFO L87 Difference]: Start difference. First operand 330 states and 400 transitions. Second operand 7 states. [2018-12-09 09:21:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:02,350 INFO L93 Difference]: Finished difference Result 832 states and 1080 transitions. [2018-12-09 09:21:02,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:21:02,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-09 09:21:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:02,353 INFO L225 Difference]: With dead ends: 832 [2018-12-09 09:21:02,353 INFO L226 Difference]: Without dead ends: 530 [2018-12-09 09:21:02,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:21:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-12-09 09:21:02,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 476. [2018-12-09 09:21:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-12-09 09:21:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 573 transitions. [2018-12-09 09:21:02,386 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 573 transitions. Word has length 70 [2018-12-09 09:21:02,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:02,387 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 573 transitions. [2018-12-09 09:21:02,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:21:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 573 transitions. [2018-12-09 09:21:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 09:21:02,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:02,389 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:02,389 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:02,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:02,389 INFO L82 PathProgramCache]: Analyzing trace with hash 868039624, now seen corresponding path program 1 times [2018-12-09 09:21:02,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:02,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:02,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:02,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:02,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:21:02,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:02,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:21:02,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:21:02,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:21:02,444 INFO L87 Difference]: Start difference. First operand 476 states and 573 transitions. Second operand 6 states. [2018-12-09 09:21:02,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:02,473 INFO L93 Difference]: Finished difference Result 934 states and 1147 transitions. [2018-12-09 09:21:02,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:21:02,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-09 09:21:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:02,475 INFO L225 Difference]: With dead ends: 934 [2018-12-09 09:21:02,475 INFO L226 Difference]: Without dead ends: 486 [2018-12-09 09:21:02,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:21:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-12-09 09:21:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2018-12-09 09:21:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-12-09 09:21:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2018-12-09 09:21:02,492 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 98 [2018-12-09 09:21:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:02,492 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2018-12-09 09:21:02,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:21:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2018-12-09 09:21:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 09:21:02,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:02,494 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:02,494 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:02,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:02,494 INFO L82 PathProgramCache]: Analyzing trace with hash 795653066, now seen corresponding path program 1 times [2018-12-09 09:21:02,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:02,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:02,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:02,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:02,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:21:02,569 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:02,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:21:02,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:21:02,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:21:02,569 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 8 states. [2018-12-09 09:21:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:02,605 INFO L93 Difference]: Finished difference Result 958 states and 1190 transitions. [2018-12-09 09:21:02,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:21:02,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-09 09:21:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:02,607 INFO L225 Difference]: With dead ends: 958 [2018-12-09 09:21:02,607 INFO L226 Difference]: Without dead ends: 500 [2018-12-09 09:21:02,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:21:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-12-09 09:21:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 494. [2018-12-09 09:21:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2018-12-09 09:21:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 591 transitions. [2018-12-09 09:21:02,633 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 591 transitions. Word has length 98 [2018-12-09 09:21:02,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:02,634 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 591 transitions. [2018-12-09 09:21:02,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:21:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 591 transitions. [2018-12-09 09:21:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 09:21:02,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:02,635 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:02,635 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:02,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1125418827, now seen corresponding path program 1 times [2018-12-09 09:21:02,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:02,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:02,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:02,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:02,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:21:02,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:02,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:21:02,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:21:02,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:21:02,684 INFO L87 Difference]: Start difference. First operand 494 states and 591 transitions. Second operand 4 states. [2018-12-09 09:21:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:02,843 INFO L93 Difference]: Finished difference Result 1578 states and 1976 transitions. [2018-12-09 09:21:02,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:21:02,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-09 09:21:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:02,847 INFO L225 Difference]: With dead ends: 1578 [2018-12-09 09:21:02,847 INFO L226 Difference]: Without dead ends: 1112 [2018-12-09 09:21:02,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:21:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2018-12-09 09:21:02,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1095. [2018-12-09 09:21:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2018-12-09 09:21:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1344 transitions. [2018-12-09 09:21:02,916 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1344 transitions. Word has length 98 [2018-12-09 09:21:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:02,916 INFO L480 AbstractCegarLoop]: Abstraction has 1095 states and 1344 transitions. [2018-12-09 09:21:02,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:21:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1344 transitions. [2018-12-09 09:21:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 09:21:02,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:02,918 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:02,918 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:02,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:02,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1368141157, now seen corresponding path program 1 times [2018-12-09 09:21:02,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:02,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:02,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:02,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:21:03,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:03,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:21:03,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:03,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:21:03,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:21:03,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:21:03,012 INFO L87 Difference]: Start difference. First operand 1095 states and 1344 transitions. Second operand 9 states. [2018-12-09 09:21:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:03,668 INFO L93 Difference]: Finished difference Result 2982 states and 3828 transitions. [2018-12-09 09:21:03,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 09:21:03,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-12-09 09:21:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:03,675 INFO L225 Difference]: With dead ends: 2982 [2018-12-09 09:21:03,675 INFO L226 Difference]: Without dead ends: 2111 [2018-12-09 09:21:03,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:21:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2018-12-09 09:21:03,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1872. [2018-12-09 09:21:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1872 states. [2018-12-09 09:21:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2259 transitions. [2018-12-09 09:21:03,743 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2259 transitions. Word has length 102 [2018-12-09 09:21:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:03,744 INFO L480 AbstractCegarLoop]: Abstraction has 1872 states and 2259 transitions. [2018-12-09 09:21:03,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:21:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2259 transitions. [2018-12-09 09:21:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 09:21:03,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:03,748 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:03,748 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:03,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:03,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1842140852, now seen corresponding path program 1 times [2018-12-09 09:21:03,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:03,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:03,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:03,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:03,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:21:03,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:03,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:21:03,852 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-12-09 09:21:03,853 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [214], [217], [221], [227], [228], [229], [232], [236], [237], [243], [246], [248], [251], [258], [261], [264], [268], [269], [272], [275], [277], [283], [287], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [311], [312], [313], [314], [315], [317], [318], [319], [320], [323], [324], [325], [326], [327], [328], [335], [336], [339], [340], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [357], [358], [359], [360], [363], [364], [365], [366], [369], [370], [371], [372] [2018-12-09 09:21:03,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:21:03,877 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:21:05,018 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:21:05,019 INFO L272 AbstractInterpreter]: Visited 145 different actions 701 times. Merged at 19 different actions 55 times. Never widened. Performed 22647 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22647 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 09:21:05,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:05,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:21:05,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:05,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:21:05,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:05,032 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:21:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:05,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:21:05,257 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:21:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:21:05,510 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:21:05,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 09:21:05,510 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:21:05,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 09:21:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 09:21:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:21:05,512 INFO L87 Difference]: Start difference. First operand 1872 states and 2259 transitions. Second operand 16 states. [2018-12-09 09:21:06,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:06,341 INFO L93 Difference]: Finished difference Result 4245 states and 5324 transitions. [2018-12-09 09:21:06,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 09:21:06,341 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 180 [2018-12-09 09:21:06,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:06,347 INFO L225 Difference]: With dead ends: 4245 [2018-12-09 09:21:06,348 INFO L226 Difference]: Without dead ends: 2591 [2018-12-09 09:21:06,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 352 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 09:21:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2018-12-09 09:21:06,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 2329. [2018-12-09 09:21:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2329 states. [2018-12-09 09:21:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 2757 transitions. [2018-12-09 09:21:06,471 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 2757 transitions. Word has length 180 [2018-12-09 09:21:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:06,471 INFO L480 AbstractCegarLoop]: Abstraction has 2329 states and 2757 transitions. [2018-12-09 09:21:06,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 09:21:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2757 transitions. [2018-12-09 09:21:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 09:21:06,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:06,476 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:06,476 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:06,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1183844972, now seen corresponding path program 1 times [2018-12-09 09:21:06,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:06,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:06,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:06,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:06,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 99 proven. 9 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 09:21:06,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:06,584 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:21:06,584 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-12-09 09:21:06,584 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [214], [217], [221], [227], [228], [229], [232], [236], [237], [243], [246], [248], [251], [258], [261], [264], [268], [269], [272], [275], [277], [283], [287], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [335], [336], [339], [340], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [357], [358], [359], [360], [363], [364], [365], [366], [369], [370], [371], [372] [2018-12-09 09:21:06,588 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:21:06,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:21:07,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:21:07,411 INFO L272 AbstractInterpreter]: Visited 146 different actions 704 times. Merged at 19 different actions 55 times. Never widened. Performed 22900 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22900 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 09:21:07,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:07,412 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:21:07,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:07,412 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:21:07,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:07,419 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:21:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:07,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 208 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 09:21:07,675 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:21:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 09:21:08,169 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:21:08,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-09 09:21:08,169 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:21:08,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 09:21:08,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 09:21:08,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-09 09:21:08,170 INFO L87 Difference]: Start difference. First operand 2329 states and 2757 transitions. Second operand 18 states. [2018-12-09 09:21:09,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:09,892 INFO L93 Difference]: Finished difference Result 6366 states and 7951 transitions. [2018-12-09 09:21:09,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-09 09:21:09,893 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2018-12-09 09:21:09,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:09,901 INFO L225 Difference]: With dead ends: 6366 [2018-12-09 09:21:09,901 INFO L226 Difference]: Without dead ends: 3443 [2018-12-09 09:21:09,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 591 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 09:21:09,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2018-12-09 09:21:10,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3205. [2018-12-09 09:21:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2018-12-09 09:21:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 3742 transitions. [2018-12-09 09:21:10,033 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 3742 transitions. Word has length 301 [2018-12-09 09:21:10,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:10,033 INFO L480 AbstractCegarLoop]: Abstraction has 3205 states and 3742 transitions. [2018-12-09 09:21:10,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 09:21:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3742 transitions. [2018-12-09 09:21:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-12-09 09:21:10,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:10,041 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:10,041 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:10,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash 499865722, now seen corresponding path program 1 times [2018-12-09 09:21:10,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:10,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:10,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:10,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:10,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-09 09:21:10,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:10,179 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:21:10,179 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 435 with the following transitions: [2018-12-09 09:21:10,179 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [102], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [148], [151], [159], [160], [161], [162], [163], [164], [165], [167], [170], [172], [174], [175], [176], [177], [214], [217], [221], [224], [227], [228], [229], [232], [236], [237], [243], [246], [248], [251], [254], [258], [261], [264], [268], [269], [272], [275], [277], [283], [287], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [339], [340], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [357], [358], [359], [360], [361], [362], [363], [364], [365], [366], [369], [370], [371], [372] [2018-12-09 09:21:10,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:21:10,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:21:11,630 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:21:11,630 INFO L272 AbstractInterpreter]: Visited 154 different actions 1264 times. Merged at 40 different actions 270 times. Never widened. Performed 47798 root evaluator evaluations with a maximum evaluation depth of 5. Performed 47798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 60 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 09:21:11,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:11,631 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:21:11,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:11,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:21:11,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:11,638 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:21:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:11,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 538 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-09 09:21:11,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:21:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2018-12-09 09:21:12,130 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:21:12,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [9] total 11 [2018-12-09 09:21:12,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:12,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:21:12,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:21:12,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:21:12,131 INFO L87 Difference]: Start difference. First operand 3205 states and 3742 transitions. Second operand 3 states. [2018-12-09 09:21:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:12,192 INFO L93 Difference]: Finished difference Result 5122 states and 5993 transitions. [2018-12-09 09:21:12,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:21:12,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 434 [2018-12-09 09:21:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:12,197 INFO L225 Difference]: With dead ends: 5122 [2018-12-09 09:21:12,198 INFO L226 Difference]: Without dead ends: 1979 [2018-12-09 09:21:12,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:21:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-12-09 09:21:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1939. [2018-12-09 09:21:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2018-12-09 09:21:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2229 transitions. [2018-12-09 09:21:12,262 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2229 transitions. Word has length 434 [2018-12-09 09:21:12,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:12,262 INFO L480 AbstractCegarLoop]: Abstraction has 1939 states and 2229 transitions. [2018-12-09 09:21:12,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:21:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2229 transitions. [2018-12-09 09:21:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-09 09:21:12,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:12,267 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:21:12,267 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:12,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1002373570, now seen corresponding path program 1 times [2018-12-09 09:21:12,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:21:12,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:12,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:12,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:21:12,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:21:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 110 proven. 12 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-12-09 09:21:12,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:12,356 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:21:12,356 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 368 with the following transitions: [2018-12-09 09:21:12,357 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [145], [148], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [214], [217], [221], [224], [227], [228], [229], [232], [236], [237], [241], [242], [243], [246], [248], [251], [258], [261], [264], [268], [269], [272], [275], [277], [283], [287], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [331], [332], [333], [334], [335], [336], [339], [340], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [357], [358], [359], [360], [363], [364], [365], [366], [369], [370], [371], [372] [2018-12-09 09:21:12,359 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:21:12,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:21:13,994 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:21:13,994 INFO L272 AbstractInterpreter]: Visited 153 different actions 1346 times. Merged at 24 different actions 174 times. Widened at 1 different actions 1 times. Performed 56757 root evaluator evaluations with a maximum evaluation depth of 5. Performed 56757 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 52 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 09:21:13,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:13,996 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:21:13,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:21:13,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:21:14,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:14,002 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:21:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:14,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-12-09 09:21:14,147 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:21:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 110 proven. 12 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-12-09 09:21:14,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:21:14,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 09:21:14,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:21:14,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:21:14,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:21:14,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:21:14,458 INFO L87 Difference]: Start difference. First operand 1939 states and 2229 transitions. Second operand 6 states. [2018-12-09 09:21:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:14,494 INFO L93 Difference]: Finished difference Result 2347 states and 2682 transitions. [2018-12-09 09:21:14,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:21:14,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 367 [2018-12-09 09:21:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:14,495 INFO L225 Difference]: With dead ends: 2347 [2018-12-09 09:21:14,495 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:21:14,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 729 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-09 09:21:14,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:21:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:21:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:21:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:21:14,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2018-12-09 09:21:14,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:14,499 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:21:14,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:21:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:21:14,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:21:14,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:21:14,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:14,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:15,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:15,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:21:15,336 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2018-12-09 09:21:15,604 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2018-12-09 09:21:15,938 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 40 [2018-12-09 09:21:16,398 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-12-09 09:21:16,839 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-12-09 09:21:16,952 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-12-09 09:21:17,545 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2018-12-09 09:21:17,849 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-12-09 09:21:18,243 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2018-12-09 09:21:18,245 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse7 .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3))) [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2018-12-09 09:21:18,246 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 567) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2018-12-09 09:21:18,246 INFO L444 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or .cse6 (or .cse4 (or .cse2 .cse1))) (or .cse2 .cse6 .cse4 .cse5 .cse3))) [2018-12-09 09:21:18,246 INFO L448 ceAbstractionStarter]: For program point L555-1(line 555) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 570) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L451 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L444 ceAbstractionStarter]: At program point L1026-1(line 1026) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point L1022(line 1022) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,247 INFO L444 ceAbstractionStarter]: At program point L1021(line 1021) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,247 INFO L444 ceAbstractionStarter]: At program point L1020(line 1020) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,247 INFO L444 ceAbstractionStarter]: At program point L1020-1(line 1020) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2018-12-09 09:21:18,247 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L444 ceAbstractionStarter]: At program point L1026(line 1026) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L444 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 09:21:18,248 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or (or .cse1 .cse2) .cse0))) [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 395) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 379) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L451 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2018-12-09 09:21:18,248 INFO L444 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,248 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2018-12-09 09:21:18,248 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L451 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: true [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L296-1(line 296) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,249 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-09 09:21:18,249 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) .cse5) .cse6) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse6 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point L467(lines 420 469) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse3 .cse2) .cse4 .cse5) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse4 .cse5) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse6 (and .cse8 .cse1 .cse2)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (and .cse8 .cse2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse6 .cse0 .cse5) (not (= |old(~waterLevel~0)| 1)) (and (and .cse7 .cse3 .cse5) .cse4)))) [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point L470(lines 419 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:21:18,250 INFO L444 ceAbstractionStarter]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:21:18,250 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 464) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L444 ceAbstractionStarter]: At program point L458-1(lines 450 465) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and (and .cse3 .cse0 .cse2) .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse3 .cse5 .cse2 .cse4) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 469) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L444 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 465) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L451 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2018-12-09 09:21:18,251 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-09 09:21:18,251 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 960) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point L948-1(line 948) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L451 ceAbstractionStarter]: At program point L967(lines 942 971) the Hoare annotation is: true [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2018-12-09 09:21:18,252 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse5 .cse6) (or .cse3 .cse1 .cse4 .cse6) (or (or .cse3 .cse2) .cse5)))) [2018-12-09 09:21:18,252 INFO L444 ceAbstractionStarter]: At program point L177(lines 177 183) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0))) (or .cse3 (or .cse0 .cse2) .cse6) (or .cse0 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7)))) [2018-12-09 09:21:18,252 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse9)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse6 .cse5) (or (and (= ~pumpRunning~0 1) .cse9) (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse7 .cse0 .cse2 .cse5 .cse8) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse6 .cse10 .cse11 .cse5) (or .cse0 .cse2 .cse11 .cse10 .cse5)))) [2018-12-09 09:21:18,252 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-12-09 09:21:18,252 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point L170(lines 166 188) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point L168(lines 166 188) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 09:21:18,253 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: true [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L444 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 09:21:18,253 INFO L448 ceAbstractionStarter]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2018-12-09 09:21:18,253 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 219) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse0) (or .cse0 .cse5 .cse6 .cse3 .cse2) (or .cse5 (or .cse4 .cse3) .cse6 .cse0) (or .cse0 (or .cse3 .cse1) .cse6 .cse2))) [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 09:21:18,254 INFO L448 ceAbstractionStarter]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,254 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,255 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 240) no Hoare annotation was computed. [2018-12-09 09:21:18,255 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 09:21:18,255 INFO L448 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-12-09 09:21:18,255 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 245) no Hoare annotation was computed. [2018-12-09 09:21:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:21:18 BoogieIcfgContainer [2018-12-09 09:21:18,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:21:18,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:21:18,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:21:18,263 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:21:18,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:21:01" (3/4) ... [2018-12-09 09:21:18,265 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:21:18,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:21:18,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:21:18,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:21:18,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 09:21:18,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 09:21:18,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 09:21:18,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:21:18,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:21:18,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:21:18,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:21:18,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-09 09:21:18,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 09:21:18,324 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_23d0cdb5-6c03-4efb-986d-8fbda7c01d85/bin-2019/utaipan/witness.graphml [2018-12-09 09:21:18,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:21:18,324 INFO L168 Benchmark]: Toolchain (without parser) took 17953.90 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -340.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: Boogie Preprocessor took 24.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: RCFGBuilder took 312.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,325 INFO L168 Benchmark]: TraceAbstraction took 17235.49 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -268.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,326 INFO L168 Benchmark]: Witness Printer took 61.28 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 62.8 kB). Peak memory consumption was 62.8 kB. Max. memory is 11.5 GB. [2018-12-09 09:21:18,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 312.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17235.49 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -268.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 61.28 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 62.8 kB). Peak memory consumption was 62.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 179 locations, 1 error locations. SAFE Result, 17.1s OverallTime, 12 OverallIterations, 11 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2881 SDtfs, 2709 SDslu, 8298 SDs, 0 SdLazy, 6506 SolverSat, 1400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2754 GetRequests, 2577 SyntacticMatches, 22 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3205occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 868 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 5288 PreInvPairs, 5447 NumberOfFragments, 2625 HoareAnnotationTreeSize, 5288 FomulaSimplifications, 16805 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 31753 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3214 NumberOfCodeBlocks, 3214 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4476 ConstructedInterpolants, 0 QuantifiedInterpolants, 1727132 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5279 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4745/4866 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...