./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_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_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:57:04,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:57:04,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:57:04,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:57:04,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:57:04,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:57:04,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:57:04,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:57:04,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:57:04,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:57:04,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:57:04,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:57:04,577 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:57:04,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:57:04,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:57:04,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:57:04,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:57:04,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:57:04,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:57:04,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:57:04,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:57:04,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:57:04,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:57:04,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:57:04,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:57:04,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:57:04,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:57:04,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:57:04,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:57:04,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:57:04,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:57:04,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:57:04,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:57:04,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:57:04,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:57:04,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:57:04,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:57:04,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:57:04,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:57:04,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:57:04,596 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:57:04,596 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:57:04,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:57:04,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:57:04,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:57:04,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:57:04,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:57:04,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:57:04,599 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_9118191b-39a1-49eb-87dc-656902de3faa/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-12-09 11:57:04,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:57:04,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:57:04,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:57:04,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:57:04,626 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:57:04,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-09 11:57:04,662 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/data/a9705eb33/8e2fabaaa02948bdbcc8873dcd5389cc/FLAG711ee701a [2018-12-09 11:57:05,097 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:57:05,097 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-09 11:57:05,104 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/data/a9705eb33/8e2fabaaa02948bdbcc8873dcd5389cc/FLAG711ee701a [2018-12-09 11:57:05,112 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/data/a9705eb33/8e2fabaaa02948bdbcc8873dcd5389cc [2018-12-09 11:57:05,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:57:05,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:57:05,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:57:05,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:57:05,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:57:05,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05, skipping insertion in model container [2018-12-09 11:57:05,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:57:05,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:57:05,345 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:57:05,388 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:57:05,445 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:57:05,464 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:57:05,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05 WrapperNode [2018-12-09 11:57:05,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:57:05,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:57:05,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:57:05,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:57:05,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:57:05,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:57:05,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:57:05,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:57:05,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... [2018-12-09 11:57:05,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:57:05,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:57:05,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:57:05,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:57:05,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/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 11:57:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:57:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:57:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:57:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:57:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 11:57:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 11:57:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:57:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:57:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:57:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 11:57:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 11:57:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 11:57:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 11:57:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:57:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:57:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:57:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 11:57:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:57:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:57:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:57:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:57:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:57:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:57:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:57:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:57:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 11:57:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 11:57:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 11:57:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 11:57:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 11:57:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 11:57:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:57:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:57:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:57:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:57:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:57:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:57:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:57:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:57:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:57:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:57:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:57:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:57:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:57:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:57:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:57:05,867 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:57:05,867 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:57:05,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:57:05 BoogieIcfgContainer [2018-12-09 11:57:05,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:57:05,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:57:05,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:57:05,870 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:57:05,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:57:05" (1/3) ... [2018-12-09 11:57:05,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c819f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:57:05, skipping insertion in model container [2018-12-09 11:57:05,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:57:05" (2/3) ... [2018-12-09 11:57:05,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c819f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:57:05, skipping insertion in model container [2018-12-09 11:57:05,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:57:05" (3/3) ... [2018-12-09 11:57:05,872 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-09 11:57:05,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:57:05,883 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:57:05,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:57:05,911 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:57:05,911 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:57:05,911 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:57:05,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:57:05,911 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:57:05,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:57:05,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:57:05,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:57:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-12-09 11:57:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:57:05,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:05,929 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 11:57:05,930 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:05,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:05,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1699285121, now seen corresponding path program 1 times [2018-12-09 11:57:05,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:05,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:05,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:05,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:05,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,073 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 11:57:06,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:57:06,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:57:06,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:57:06,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:57:06,087 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-12-09 11:57:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:06,111 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-09 11:57:06,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:57:06,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 11:57:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:06,119 INFO L225 Difference]: With dead ends: 280 [2018-12-09 11:57:06,119 INFO L226 Difference]: Without dead ends: 142 [2018-12-09 11:57:06,121 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 11:57:06,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-12-09 11:57:06,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-12-09 11:57:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-12-09 11:57:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-12-09 11:57:06,153 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2018-12-09 11:57:06,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:06,153 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-12-09 11:57:06,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:57:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-12-09 11:57:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:57:06,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:06,155 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 11:57:06,156 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:06,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:06,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1214983917, now seen corresponding path program 1 times [2018-12-09 11:57:06,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:06,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:06,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,210 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 11:57:06,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:57:06,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:57:06,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:57:06,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:57:06,212 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-12-09 11:57:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:06,225 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2018-12-09 11:57:06,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:57:06,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 11:57:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:06,227 INFO L225 Difference]: With dead ends: 225 [2018-12-09 11:57:06,227 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 11:57:06,228 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 11:57:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 11:57:06,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 11:57:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 11:57:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2018-12-09 11:57:06,237 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2018-12-09 11:57:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:06,237 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2018-12-09 11:57:06,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:57:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2018-12-09 11:57:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 11:57:06,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:06,238 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 11:57:06,239 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:06,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:06,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1925814479, now seen corresponding path program 1 times [2018-12-09 11:57:06,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:06,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:06,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,305 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 11:57:06,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:57:06,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:57:06,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:57:06,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:57:06,306 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 3 states. [2018-12-09 11:57:06,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:06,320 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-09 11:57:06,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:57:06,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-12-09 11:57:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:06,322 INFO L225 Difference]: With dead ends: 238 [2018-12-09 11:57:06,322 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 11:57:06,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:57:06,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 11:57:06,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 11:57:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 11:57:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2018-12-09 11:57:06,331 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2018-12-09 11:57:06,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:06,332 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2018-12-09 11:57:06,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:57:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2018-12-09 11:57:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 11:57:06,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:06,334 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] [2018-12-09 11:57:06,334 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:06,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:06,335 INFO L82 PathProgramCache]: Analyzing trace with hash -890209421, now seen corresponding path program 1 times [2018-12-09 11:57:06,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:06,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:06,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,398 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 11:57:06,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:57:06,398 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:57:06,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:57:06,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:57:06,399 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states. [2018-12-09 11:57:06,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:06,756 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2018-12-09 11:57:06,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:57:06,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-12-09 11:57:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:06,759 INFO L225 Difference]: With dead ends: 344 [2018-12-09 11:57:06,759 INFO L226 Difference]: Without dead ends: 239 [2018-12-09 11:57:06,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:57:06,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-09 11:57:06,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-12-09 11:57:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-09 11:57:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2018-12-09 11:57:06,784 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2018-12-09 11:57:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:06,785 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2018-12-09 11:57:06,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:57:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2018-12-09 11:57:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 11:57:06,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:06,787 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] [2018-12-09 11:57:06,787 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:06,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:06,788 INFO L82 PathProgramCache]: Analyzing trace with hash -924989195, now seen corresponding path program 1 times [2018-12-09 11:57:06,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:06,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:06,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,877 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 11:57:06,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:57:06,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:57:06,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:57:06,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:57:06,879 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states. [2018-12-09 11:57:06,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:06,918 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions. [2018-12-09 11:57:06,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:57:06,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-12-09 11:57:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:06,920 INFO L225 Difference]: With dead ends: 419 [2018-12-09 11:57:06,920 INFO L226 Difference]: Without dead ends: 227 [2018-12-09 11:57:06,921 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 11:57:06,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-09 11:57:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-12-09 11:57:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-09 11:57:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-12-09 11:57:06,936 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2018-12-09 11:57:06,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:06,936 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-12-09 11:57:06,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:57:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-12-09 11:57:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 11:57:06,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:06,937 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] [2018-12-09 11:57:06,938 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:06,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:06,938 INFO L82 PathProgramCache]: Analyzing trace with hash -947621449, now seen corresponding path program 1 times [2018-12-09 11:57:06,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:06,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:06,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:06,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:06,997 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 11:57:06,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:06,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:57:06,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:06,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:57:06,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:57:06,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:57:06,998 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states. [2018-12-09 11:57:07,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:07,306 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions. [2018-12-09 11:57:07,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:57:07,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-09 11:57:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:07,307 INFO L225 Difference]: With dead ends: 438 [2018-12-09 11:57:07,308 INFO L226 Difference]: Without dead ends: 242 [2018-12-09 11:57:07,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:57:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-09 11:57:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2018-12-09 11:57:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-09 11:57:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-12-09 11:57:07,317 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2018-12-09 11:57:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:07,318 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-12-09 11:57:07,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:57:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-12-09 11:57:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 11:57:07,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:07,319 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] [2018-12-09 11:57:07,319 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:07,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:07,319 INFO L82 PathProgramCache]: Analyzing trace with hash 102938631, now seen corresponding path program 1 times [2018-12-09 11:57:07,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:07,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:07,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:07,358 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 11:57:07,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:07,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:57:07,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:07,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:57:07,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:57:07,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:57:07,359 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states. [2018-12-09 11:57:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:07,388 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions. [2018-12-09 11:57:07,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:57:07,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 11:57:07,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:07,390 INFO L225 Difference]: With dead ends: 423 [2018-12-09 11:57:07,390 INFO L226 Difference]: Without dead ends: 228 [2018-12-09 11:57:07,390 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 11:57:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-09 11:57:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-12-09 11:57:07,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-09 11:57:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2018-12-09 11:57:07,398 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2018-12-09 11:57:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:07,399 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2018-12-09 11:57:07,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:57:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2018-12-09 11:57:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 11:57:07,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:07,399 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] [2018-12-09 11:57:07,400 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:07,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1764947894, now seen corresponding path program 1 times [2018-12-09 11:57:07,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:07,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:07,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:07,446 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 11:57:07,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:07,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:57:07,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:07,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:57:07,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:57:07,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:57:07,447 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states. [2018-12-09 11:57:07,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:07,564 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions. [2018-12-09 11:57:07,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:57:07,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-09 11:57:07,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:07,566 INFO L225 Difference]: With dead ends: 667 [2018-12-09 11:57:07,566 INFO L226 Difference]: Without dead ends: 467 [2018-12-09 11:57:07,566 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 11:57:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-12-09 11:57:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458. [2018-12-09 11:57:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-12-09 11:57:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions. [2018-12-09 11:57:07,584 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93 [2018-12-09 11:57:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:07,584 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions. [2018-12-09 11:57:07,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:57:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions. [2018-12-09 11:57:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 11:57:07,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:07,585 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] [2018-12-09 11:57:07,585 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:07,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1197173488, now seen corresponding path program 1 times [2018-12-09 11:57:07,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:07,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:07,683 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 11:57:07,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:57:07,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 11:57:07,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:07,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:57:07,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:57:07,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:57:07,684 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states. [2018-12-09 11:57:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:08,185 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions. [2018-12-09 11:57:08,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 11:57:08,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-12-09 11:57:08,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:08,189 INFO L225 Difference]: With dead ends: 1203 [2018-12-09 11:57:08,189 INFO L226 Difference]: Without dead ends: 845 [2018-12-09 11:57:08,190 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 11:57:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-12-09 11:57:08,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764. [2018-12-09 11:57:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-12-09 11:57:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions. [2018-12-09 11:57:08,223 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97 [2018-12-09 11:57:08,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:08,223 INFO L480 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions. [2018-12-09 11:57:08,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:57:08,223 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions. [2018-12-09 11:57:08,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 11:57:08,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:08,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:57:08,225 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:08,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:08,225 INFO L82 PathProgramCache]: Analyzing trace with hash 608844856, now seen corresponding path program 1 times [2018-12-09 11:57:08,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:08,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:08,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:08,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:08,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:57:08,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:08,334 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:57:08,334 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-09 11:57:08,336 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [67], [71], [72], [73], [76], [78], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [132], [135], [145], [146], [147], [148], [149], [150], [151], [152], [153], [155], [160], [162], [163], [200], [203], [207], [213], [216], [220], [221], [227], [230], [232], [235], [242], [245], [248], [252], [253], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [284], [285], [286], [287], [288], [289], [294], [295], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [316], [317], [318], [319], [322], [323] [2018-12-09 11:57:08,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:57:08,367 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:57:09,626 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:57:09,627 INFO L272 AbstractInterpreter]: Visited 126 different actions 763 times. Merged at 19 different actions 73 times. Never widened. Performed 24812 root evaluator evaluations with a maximum evaluation depth of 5. Performed 24812 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 11:57:09,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:09,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:57:09,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:09,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/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 11:57:09,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:09,640 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:57:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:09,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:57:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:09,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:57:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:57:10,056 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:57:10,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 11:57:10,057 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:57:10,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 11:57:10,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 11:57:10,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:57:10,058 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 16 states. [2018-12-09 11:57:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:10,788 INFO L93 Difference]: Finished difference Result 1740 states and 2073 transitions. [2018-12-09 11:57:10,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 11:57:10,789 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-12-09 11:57:10,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:10,791 INFO L225 Difference]: With dead ends: 1740 [2018-12-09 11:57:10,792 INFO L226 Difference]: Without dead ends: 1074 [2018-12-09 11:57:10,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 310 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 11:57:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-12-09 11:57:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 930. [2018-12-09 11:57:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2018-12-09 11:57:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1077 transitions. [2018-12-09 11:57:10,826 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1077 transitions. Word has length 159 [2018-12-09 11:57:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:10,826 INFO L480 AbstractCegarLoop]: Abstraction has 930 states and 1077 transitions. [2018-12-09 11:57:10,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 11:57:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1077 transitions. [2018-12-09 11:57:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-09 11:57:10,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:10,829 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:57:10,830 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:10,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:10,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1562211069, now seen corresponding path program 1 times [2018-12-09 11:57:10,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:10,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:10,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:10,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:10,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-09 11:57:10,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:10,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:57:10,958 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-12-09 11:57:10,958 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [66], [67], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [132], [135], [145], [146], [147], [148], [149], [150], [151], [152], [153], [155], [160], [162], [163], [200], [203], [207], [213], [216], [220], [221], [227], [230], [232], [235], [242], [245], [248], [250], [252], [253], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [284], [285], [286], [287], [288], [289], [294], [295], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [316], [317], [318], [319], [322], [323] [2018-12-09 11:57:10,960 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:57:10,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:57:11,876 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:57:11,876 INFO L272 AbstractInterpreter]: Visited 128 different actions 734 times. Merged at 21 different actions 70 times. Never widened. Performed 26819 root evaluator evaluations with a maximum evaluation depth of 5. Performed 26819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 14 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 11:57:11,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:11,878 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:57:11,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:11,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/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 11:57:11,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:11,885 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:57:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:11,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:57:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 11:57:12,077 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:57:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 79 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 11:57:12,502 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:57:12,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-09 11:57:12,502 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:57:12,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 11:57:12,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 11:57:12,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-09 11:57:12,503 INFO L87 Difference]: Start difference. First operand 930 states and 1077 transitions. Second operand 18 states. [2018-12-09 11:57:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:13,832 INFO L93 Difference]: Finished difference Result 2499 states and 3060 transitions. [2018-12-09 11:57:13,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 11:57:13,832 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-12-09 11:57:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:13,837 INFO L225 Difference]: With dead ends: 2499 [2018-12-09 11:57:13,837 INFO L226 Difference]: Without dead ends: 1361 [2018-12-09 11:57:13,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 550 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 11:57:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2018-12-09 11:57:13,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1243. [2018-12-09 11:57:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-12-09 11:57:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1422 transitions. [2018-12-09 11:57:13,896 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1422 transitions. Word has length 281 [2018-12-09 11:57:13,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:13,896 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1422 transitions. [2018-12-09 11:57:13,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 11:57:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1422 transitions. [2018-12-09 11:57:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-09 11:57:13,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:57:13,900 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:57:13,901 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:57:13,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:13,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1078201551, now seen corresponding path program 1 times [2018-12-09 11:57:13,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:57:13,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:13,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:13,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:57:13,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:57:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-12-09 11:57:14,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:14,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:57:14,053 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-12-09 11:57:14,053 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [57], [59], [60], [61], [65], [66], [67], [70], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [132], [135], [145], [146], [147], [148], [149], [150], [151], [152], [153], [155], [158], [160], [162], [163], [200], [203], [207], [213], [216], [220], [221], [227], [230], [232], [235], [238], [242], [245], [248], [252], [253], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [284], [285], [286], [287], [288], [289], [294], [295], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [322], [323] [2018-12-09 11:57:14,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:57:14,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:57:16,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:57:16,083 INFO L272 AbstractInterpreter]: Visited 138 different actions 1686 times. Merged at 40 different actions 388 times. Widened at 1 different actions 1 times. Performed 58591 root evaluator evaluations with a maximum evaluation depth of 5. Performed 58591 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 88 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 11:57:16,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:57:16,085 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:57:16,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:57:16,085 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/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 11:57:16,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:57:16,091 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:57:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:16,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:57:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-09 11:57:16,237 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:57:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-12-09 11:57:16,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 11:57:16,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 11:57:16,523 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:57:16,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:57:16,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:57:16,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:57:16,524 INFO L87 Difference]: Start difference. First operand 1243 states and 1422 transitions. Second operand 6 states. [2018-12-09 11:57:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:57:16,549 INFO L93 Difference]: Finished difference Result 1509 states and 1717 transitions. [2018-12-09 11:57:16,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:57:16,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2018-12-09 11:57:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:57:16,550 INFO L225 Difference]: With dead ends: 1509 [2018-12-09 11:57:16,550 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:57:16,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 719 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 11:57:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:57:16,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:57:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:57:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:57:16,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-12-09 11:57:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:57:16,552 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:57:16,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:57:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:57:16,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:57:16,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:57:16,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:16,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:57:17,324 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-12-09 11:57:18,658 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-12-09 11:57:18,659 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2018-12-09 11:57:18,660 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4 .cse5))) [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-12-09 11:57:18,660 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-09 11:57:18,660 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 11:57:18,661 INFO L444 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,661 INFO L444 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,661 INFO L444 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2018-12-09 11:57:18,661 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2018-12-09 11:57:18,662 INFO L451 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2018-12-09 11:57:18,662 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2018-12-09 11:57:18,662 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,663 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2018-12-09 11:57:18,663 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-09 11:57:18,663 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-09 11:57:18,663 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-09 11:57:18,664 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2018-12-09 11:57:18,664 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2018-12-09 11:57:18,664 INFO L444 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L444 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L444 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 11:57:18,665 INFO L444 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-12-09 11:57:18,665 INFO L448 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 11:57:18,666 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L451 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2018-12-09 11:57:18,666 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2018-12-09 11:57:18,667 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2018-12-09 11:57:18,667 INFO L451 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2018-12-09 11:57:18,667 INFO L448 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2018-12-09 11:57:18,667 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-12-09 11:57:18,667 INFO L451 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2018-12-09 11:57:18,667 INFO L448 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-12-09 11:57:18,667 INFO L451 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2018-12-09 11:57:18,667 INFO L451 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-12-09 11:57:18,667 INFO L448 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-12-09 11:57:18,667 INFO L444 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse1 .cse2 .cse5) .cse0)))) [2018-12-09 11:57:18,667 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-12-09 11:57:18,667 INFO L444 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (and (= ~pumpRunning~0 1) .cse4) (or .cse1 .cse2 .cse3) .cse0)))) [2018-12-09 11:57:18,667 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L444 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 11:57:18,668 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2018-12-09 11:57:18,668 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 11:57:18,668 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.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 11:57:18,669 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse3 .cse0) .cse2) (or (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1))) .cse1))) [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 11:57:18,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 11:57:18,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:57:18 BoogieIcfgContainer [2018-12-09 11:57:18,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:57:18,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:57:18,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:57:18,679 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:57:18,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:57:05" (3/4) ... [2018-12-09 11:57:18,683 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:57:18,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 11:57:18,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:57:18,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:57:18,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 11:57:18,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:57:18,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:57:18,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:57:18,694 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:57:18,694 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:57:18,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) [2018-12-09 11:57:18,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-12-09 11:57:18,739 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9118191b-39a1-49eb-87dc-656902de3faa/bin-2019/utaipan/witness.graphml [2018-12-09 11:57:18,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:57:18,740 INFO L168 Benchmark]: Toolchain (without parser) took 13625.15 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 948.1 MB in the beginning and 978.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 970.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:57:18,741 INFO L168 Benchmark]: CDTParser took 0.11 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 11:57:18,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:57:18,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.83 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 11:57:18,741 INFO L168 Benchmark]: Boogie Preprocessor took 25.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:57:18,741 INFO L168 Benchmark]: RCFGBuilder took 355.72 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:57:18,741 INFO L168 Benchmark]: TraceAbstraction took 12810.70 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 881.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 937.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:57:18,741 INFO L168 Benchmark]: Witness Printer took 60.44 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 978.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:57:18,742 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 347.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.83 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 25.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 355.72 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12810.70 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 881.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 937.1 MB. Max. memory is 11.5 GB. * Witness Printer took 60.44 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 978.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 12.7s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2312 SDtfs, 2273 SDslu, 6681 SDs, 0 SdLazy, 5309 SolverSat, 1205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1789 GetRequests, 1626 SyntacticMatches, 23 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1243occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 393 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1843 PreInvPairs, 1925 NumberOfFragments, 1731 HoareAnnotationTreeSize, 1843 FomulaSimplifications, 9778 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 17103 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2333 NumberOfCodeBlocks, 2333 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3117 ConstructedInterpolants, 0 QuantifiedInterpolants, 1011740 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3557 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2524/2640 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...