./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/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 23f993c1cfae7b9f66cc8c2fd252077854486eec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:35:06,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:35:06,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:35:06,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:35:06,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:35:06,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:35:06,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:35:06,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:35:06,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:35:06,714 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:35:06,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:35:06,715 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:35:06,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:35:06,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:35:06,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:35:06,717 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:35:06,718 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:35:06,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:35:06,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:35:06,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:35:06,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:35:06,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:35:06,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:35:06,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:35:06,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:35:06,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:35:06,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:35:06,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:35:06,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:35:06,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:35:06,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:35:06,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:35:06,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:35:06,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:35:06,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:35:06,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:35:06,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:35:06,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:35:06,742 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:35:06,743 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:35:06,743 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:35:06,743 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:35:06,744 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:35:06,744 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:35:06,744 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:35:06,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:35:06,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:35:06,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:35:06,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:35:06,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:35:06,747 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:35:06,748 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_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-11-23 13:35:06,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:35:06,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:35:06,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:35:06,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:35:06,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:35:06,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:06,823 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/data/265116509/1223ac22195d4477be68b10bbf97c067/FLAG417fe0383 [2018-11-23 13:35:07,279 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:35:07,280 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:07,287 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/data/265116509/1223ac22195d4477be68b10bbf97c067/FLAG417fe0383 [2018-11-23 13:35:07,296 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/data/265116509/1223ac22195d4477be68b10bbf97c067 [2018-11-23 13:35:07,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:35:07,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:35:07,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:07,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:35:07,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:35:07,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07, skipping insertion in model container [2018-11-23 13:35:07,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:35:07,342 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:35:07,534 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:07,541 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:35:07,633 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:07,651 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:35:07,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07 WrapperNode [2018-11-23 13:35:07,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:07,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:07,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:35:07,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:35:07,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:07,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:35:07,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:35:07,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:35:07,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... [2018-11-23 13:35:07,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:35:07,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:35:07,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:35:07,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:35:07,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:35:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:35:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:35:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:35:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:35:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 13:35:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 13:35:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:35:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:35:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:35:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:35:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:35:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:35:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:35:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:35:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:35:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 13:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:35:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:35:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:35:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:35:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:35:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:35:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:35:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 13:35:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 13:35:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:35:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:35:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:35:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:35:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:35:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:35:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:35:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:35:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:35:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:35:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:35:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:35:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:35:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:35:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:35:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:35:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:35:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:35:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:35:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:35:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:35:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:35:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:35:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:35:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:35:08,141 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:35:08,142 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:35:08,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:08 BoogieIcfgContainer [2018-11-23 13:35:08,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:35:08,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:35:08,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:35:08,145 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:35:08,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:35:07" (1/3) ... [2018-11-23 13:35:08,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf01651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:08, skipping insertion in model container [2018-11-23 13:35:08,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:07" (2/3) ... [2018-11-23 13:35:08,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf01651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:08, skipping insertion in model container [2018-11-23 13:35:08,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:08" (3/3) ... [2018-11-23 13:35:08,147 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:08,153 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:35:08,159 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:35:08,170 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:35:08,194 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:35:08,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:35:08,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:35:08,195 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:35:08,195 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:35:08,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:35:08,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:35:08,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:35:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-23 13:35:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:35:08,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:08,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:08,221 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:08,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:08,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1438635826, now seen corresponding path program 1 times [2018-11-23 13:35:08,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:08,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:08,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:08,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:08,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:35:08,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:08,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:35:08,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:35:08,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:35:08,434 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-23 13:35:08,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:08,471 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2018-11-23 13:35:08,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:35:08,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 13:35:08,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:08,483 INFO L225 Difference]: With dead ends: 314 [2018-11-23 13:35:08,483 INFO L226 Difference]: Without dead ends: 159 [2018-11-23 13:35:08,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:35:08,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-23 13:35:08,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-23 13:35:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-23 13:35:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-11-23 13:35:08,533 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2018-11-23 13:35:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:08,534 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-11-23 13:35:08,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:35:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-11-23 13:35:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:35:08,537 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:08,537 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:08,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:08,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:08,538 INFO L82 PathProgramCache]: Analyzing trace with hash -2066845612, now seen corresponding path program 1 times [2018-11-23 13:35:08,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:08,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:08,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:08,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:08,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:35:08,623 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:08,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:08,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:08,626 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-11-23 13:35:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:08,652 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-11-23 13:35:08,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:08,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 13:35:08,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:08,655 INFO L225 Difference]: With dead ends: 259 [2018-11-23 13:35:08,655 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 13:35:08,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 13:35:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 13:35:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 13:35:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-11-23 13:35:08,669 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2018-11-23 13:35:08,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:08,669 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-11-23 13:35:08,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-11-23 13:35:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 13:35:08,671 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:08,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:08,671 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:08,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:08,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1429957542, now seen corresponding path program 1 times [2018-11-23 13:35:08,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:08,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:08,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:08,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:08,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:08,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:35:08,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:08,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:35:08,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:35:08,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:08,787 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-11-23 13:35:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:09,065 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2018-11-23 13:35:09,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:35:09,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 13:35:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:09,068 INFO L225 Difference]: With dead ends: 272 [2018-11-23 13:35:09,068 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 13:35:09,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:35:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 13:35:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 13:35:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 13:35:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-23 13:35:09,083 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2018-11-23 13:35:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:09,083 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-23 13:35:09,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:35:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-23 13:35:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:35:09,087 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:09,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:09,090 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:09,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:09,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1157434000, now seen corresponding path program 1 times [2018-11-23 13:35:09,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:09,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:09,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,092 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:09,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:09,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:35:09,192 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:09,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:35:09,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:35:09,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:35:09,193 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2018-11-23 13:35:09,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:09,661 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2018-11-23 13:35:09,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:09,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-23 13:35:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:09,663 INFO L225 Difference]: With dead ends: 388 [2018-11-23 13:35:09,663 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 13:35:09,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:09,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 13:35:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2018-11-23 13:35:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-23 13:35:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-11-23 13:35:09,688 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2018-11-23 13:35:09,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:09,688 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-11-23 13:35:09,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:35:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-11-23 13:35:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 13:35:09,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:09,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:09,691 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:09,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:09,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1794259625, now seen corresponding path program 1 times [2018-11-23 13:35:09,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:09,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:09,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:09,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:09,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:09,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:09,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:09,789 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2018-11-23 13:35:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:09,944 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2018-11-23 13:35:09,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:09,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 13:35:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:09,954 INFO L225 Difference]: With dead ends: 667 [2018-11-23 13:35:09,954 INFO L226 Difference]: Without dead ends: 448 [2018-11-23 13:35:09,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:35:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-11-23 13:35:09,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-11-23 13:35:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-11-23 13:35:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2018-11-23 13:35:09,983 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2018-11-23 13:35:09,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:09,983 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2018-11-23 13:35:09,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2018-11-23 13:35:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:35:09,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:09,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:09,986 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:09,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:09,986 INFO L82 PathProgramCache]: Analyzing trace with hash -465119795, now seen corresponding path program 1 times [2018-11-23 13:35:09,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:09,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:09,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:09,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:10,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:10,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:35:10,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:10,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:35:10,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:35:10,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:10,084 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2018-11-23 13:35:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:10,517 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2018-11-23 13:35:10,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:35:10,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-23 13:35:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:10,520 INFO L225 Difference]: With dead ends: 887 [2018-11-23 13:35:10,520 INFO L226 Difference]: Without dead ends: 473 [2018-11-23 13:35:10,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:35:10,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-11-23 13:35:10,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2018-11-23 13:35:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-23 13:35:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2018-11-23 13:35:10,544 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2018-11-23 13:35:10,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:10,544 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2018-11-23 13:35:10,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:35:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2018-11-23 13:35:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 13:35:10,547 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:10,547 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:10,547 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:10,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:10,547 INFO L82 PathProgramCache]: Analyzing trace with hash -712209462, now seen corresponding path program 1 times [2018-11-23 13:35:10,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:10,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:10,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:35:10,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:10,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:10,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:10,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:10,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:10,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:10,607 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2018-11-23 13:35:10,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:10,633 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2018-11-23 13:35:10,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:35:10,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-23 13:35:10,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:10,637 INFO L225 Difference]: With dead ends: 868 [2018-11-23 13:35:10,637 INFO L226 Difference]: Without dead ends: 455 [2018-11-23 13:35:10,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-23 13:35:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2018-11-23 13:35:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-23 13:35:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2018-11-23 13:35:10,653 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2018-11-23 13:35:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:10,653 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2018-11-23 13:35:10,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2018-11-23 13:35:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 13:35:10,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:10,656 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:10,656 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:10,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:10,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1226952584, now seen corresponding path program 1 times [2018-11-23 13:35:10,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:10,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:10,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,657 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:35:10,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:10,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:35:10,718 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:10,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:35:10,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:35:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:10,719 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2018-11-23 13:35:10,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:10,749 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2018-11-23 13:35:10,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:10,751 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-23 13:35:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:10,752 INFO L225 Difference]: With dead ends: 888 [2018-11-23 13:35:10,753 INFO L226 Difference]: Without dead ends: 465 [2018-11-23 13:35:10,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-23 13:35:10,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-11-23 13:35:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-11-23 13:35:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2018-11-23 13:35:10,771 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2018-11-23 13:35:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:10,771 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2018-11-23 13:35:10,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:35:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2018-11-23 13:35:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 13:35:10,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:10,773 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:10,773 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:10,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:10,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1996122599, now seen corresponding path program 1 times [2018-11-23 13:35:10,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:10,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:10,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,776 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:35:10,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:10,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:35:10,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:10,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:35:10,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:35:10,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:35:10,836 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2018-11-23 13:35:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:10,989 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2018-11-23 13:35:10,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:35:10,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-23 13:35:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:10,993 INFO L225 Difference]: With dead ends: 1362 [2018-11-23 13:35:10,993 INFO L226 Difference]: Without dead ends: 931 [2018-11-23 13:35:10,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:35:10,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-11-23 13:35:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2018-11-23 13:35:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-11-23 13:35:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2018-11-23 13:35:11,035 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2018-11-23 13:35:11,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:11,035 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2018-11-23 13:35:11,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:35:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2018-11-23 13:35:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 13:35:11,037 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:11,038 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:11,038 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:11,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:11,038 INFO L82 PathProgramCache]: Analyzing trace with hash -805538195, now seen corresponding path program 1 times [2018-11-23 13:35:11,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:11,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:11,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:35:11,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:11,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:11,161 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-11-23 13:35:11,163 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [125], [128], [138], [139], [142], [144], [147], [149], [152], [155], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [207], [211], [251], [255], [258], [260], [263], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [307], [308], [310], [311], [318], [319], [320], [321], [322], [323], [326], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [344], [345], [346], [352], [353], [354], [356], [357], [358], [359] [2018-11-23 13:35:11,188 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:11,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:11,546 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:35:11,547 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 2895 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2895 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-23 13:35:11,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:11,562 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:35:11,775 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.64% of their original sizes. [2018-11-23 13:35:11,775 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:35:11,921 INFO L415 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-11-23 13:35:11,921 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:35:11,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:35:11,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-23 13:35:11,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:11,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 13:35:11,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 13:35:11,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-11-23 13:35:11,923 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 22 states. [2018-11-23 13:35:17,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:17,671 INFO L93 Difference]: Finished difference Result 2276 states and 2684 transitions. [2018-11-23 13:35:17,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 13:35:17,671 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 113 [2018-11-23 13:35:17,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:17,674 INFO L225 Difference]: With dead ends: 2276 [2018-11-23 13:35:17,674 INFO L226 Difference]: Without dead ends: 1388 [2018-11-23 13:35:17,676 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 125 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-11-23 13:35:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-11-23 13:35:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1386. [2018-11-23 13:35:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2018-11-23 13:35:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1590 transitions. [2018-11-23 13:35:17,714 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1590 transitions. Word has length 113 [2018-11-23 13:35:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:17,715 INFO L480 AbstractCegarLoop]: Abstraction has 1386 states and 1590 transitions. [2018-11-23 13:35:17,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 13:35:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1590 transitions. [2018-11-23 13:35:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 13:35:17,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:17,718 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:17,718 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:17,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:17,718 INFO L82 PathProgramCache]: Analyzing trace with hash -351885307, now seen corresponding path program 1 times [2018-11-23 13:35:17,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:17,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:17,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:17,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:17,719 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 13:35:17,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:17,860 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:17,860 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-11-23 13:35:17,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-11-23 13:35:17,864 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:17,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:19,187 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:35:19,187 INFO L272 AbstractInterpreter]: Visited 148 different actions 1050 times. Merged at 18 different actions 74 times. Never widened. Performed 34837 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34837 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-23 13:35:19,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:19,194 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:35:19,457 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 97.78% of their original sizes. [2018-11-23 13:35:19,457 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:35:19,624 INFO L415 sIntCurrentIteration]: We unified 182 AI predicates to 182 [2018-11-23 13:35:19,624 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:35:19,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:35:19,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [13] total 38 [2018-11-23 13:35:19,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:19,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 13:35:19,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 13:35:19,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2018-11-23 13:35:19,625 INFO L87 Difference]: Start difference. First operand 1386 states and 1590 transitions. Second operand 27 states. [2018-11-23 13:35:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:34,423 INFO L93 Difference]: Finished difference Result 4620 states and 5620 transitions. [2018-11-23 13:35:34,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-23 13:35:34,423 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 183 [2018-11-23 13:35:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:34,436 INFO L225 Difference]: With dead ends: 4620 [2018-11-23 13:35:34,436 INFO L226 Difference]: Without dead ends: 3561 [2018-11-23 13:35:34,440 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1880 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=906, Invalid=5100, Unknown=0, NotChecked=0, Total=6006 [2018-11-23 13:35:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2018-11-23 13:35:34,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 2813. [2018-11-23 13:35:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2018-11-23 13:35:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3270 transitions. [2018-11-23 13:35:34,603 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3270 transitions. Word has length 183 [2018-11-23 13:35:34,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:34,603 INFO L480 AbstractCegarLoop]: Abstraction has 2813 states and 3270 transitions. [2018-11-23 13:35:34,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 13:35:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3270 transitions. [2018-11-23 13:35:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-23 13:35:34,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:34,611 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:34,612 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:34,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:34,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1750901133, now seen corresponding path program 1 times [2018-11-23 13:35:34,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:34,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:34,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:34,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:34,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 13:35:34,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:34,717 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:34,717 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-23 13:35:34,717 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-11-23 13:35:34,722 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:34,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:36,394 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:35:36,394 INFO L272 AbstractInterpreter]: Visited 151 different actions 1455 times. Merged at 22 different actions 132 times. Widened at 1 different actions 1 times. Performed 49095 root evaluator evaluations with a maximum evaluation depth of 5. Performed 49095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 32 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-23 13:35:36,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:36,403 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:35:36,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:36,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:35:36,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:36,409 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:35:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:36,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:35:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-23 13:35:36,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:35:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 13:35:36,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:35:36,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 13:35:36,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:36,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:35:36,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:35:36,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:36,912 INFO L87 Difference]: Start difference. First operand 2813 states and 3270 transitions. Second operand 5 states. [2018-11-23 13:35:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:37,333 INFO L93 Difference]: Finished difference Result 4835 states and 5801 transitions. [2018-11-23 13:35:37,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:37,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2018-11-23 13:35:37,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:37,345 INFO L225 Difference]: With dead ends: 4835 [2018-11-23 13:35:37,345 INFO L226 Difference]: Without dead ends: 2560 [2018-11-23 13:35:37,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 528 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:35:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2018-11-23 13:35:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2412. [2018-11-23 13:35:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2412 states. [2018-11-23 13:35:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 2808 transitions. [2018-11-23 13:35:37,487 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 2808 transitions. Word has length 264 [2018-11-23 13:35:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:37,487 INFO L480 AbstractCegarLoop]: Abstraction has 2412 states and 2808 transitions. [2018-11-23 13:35:37,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:35:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2808 transitions. [2018-11-23 13:35:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-23 13:35:37,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:37,495 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:35:37,495 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:37,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:37,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1417330921, now seen corresponding path program 1 times [2018-11-23 13:35:37,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:37,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:37,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:37,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:37,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 13:35:37,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:37,680 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:37,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-23 13:35:37,681 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [280], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-11-23 13:35:37,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:37,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:39,771 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:35:39,771 INFO L272 AbstractInterpreter]: Visited 152 different actions 1655 times. Merged at 23 different actions 141 times. Never widened. Performed 57372 root evaluator evaluations with a maximum evaluation depth of 5. Performed 57372 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 38 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-23 13:35:39,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:39,778 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:35:39,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:39,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:35:39,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:39,889 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:35:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:40,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:35:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 13:35:40,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:35:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 13:35:40,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:35:40,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 13:35:40,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:40,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:35:40,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:35:40,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:35:40,680 INFO L87 Difference]: Start difference. First operand 2412 states and 2808 transitions. Second operand 8 states. [2018-11-23 13:35:40,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:40,869 INFO L93 Difference]: Finished difference Result 3666 states and 4307 transitions. [2018-11-23 13:35:40,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:40,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 264 [2018-11-23 13:35:40,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:40,871 INFO L225 Difference]: With dead ends: 3666 [2018-11-23 13:35:40,871 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:35:40,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 512 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:35:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:35:40,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:35:40,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:35:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:35:40,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-11-23 13:35:40,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:40,876 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:35:40,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:35:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:35:40,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:35:40,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:35:40,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:40,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:41,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:42,046 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 23 [2018-11-23 13:35:42,398 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2018-11-23 13:35:42,687 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-11-23 13:35:43,004 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-11-23 13:35:43,119 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-11-23 13:35:43,269 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 33 [2018-11-23 13:35:43,785 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 58 [2018-11-23 13:35:44,371 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 59 [2018-11-23 13:35:44,621 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 35 [2018-11-23 13:35:45,048 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2018-11-23 13:35:45,346 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 23 [2018-11-23 13:35:45,598 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-11-23 13:35:45,747 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 25 [2018-11-23 13:35:46,663 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 61 [2018-11-23 13:35:46,769 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 30 [2018-11-23 13:35:47,076 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-11-23 13:35:47,187 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2018-11-23 13:35:47,188 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-11-23 13:35:47,188 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-11-23 13:35:47,188 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-11-23 13:35:47,188 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-11-23 13:35:47,189 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-11-23 13:35:47,189 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,189 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-23 13:35:47,189 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,189 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,189 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-23 13:35:47,189 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-23 13:35:47,189 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,190 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 13:35:47,190 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 13:35:47,190 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-11-23 13:35:47,190 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-11-23 13:35:47,190 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 13:35:47,190 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,191 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L451 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-11-23 13:35:47,191 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) .cse2) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1))) [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse4) (or .cse5 .cse3 .cse0 .cse2))) [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse5) .cse6) (or .cse4 .cse6 .cse1 .cse5)))) [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-23 13:35:47,192 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-11-23 13:35:47,193 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,193 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-11-23 13:35:47,193 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-11-23 13:35:47,194 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse4 (not .cse6)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse2 .cse4 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse2 .cse4 .cse1) (<= 2 ~waterLevel~0) .cse5) (and .cse0 .cse5 .cse6 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2 .cse1)))) [2018-11-23 13:35:47,194 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-11-23 13:35:47,194 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse4 (not .cse6)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse2 .cse4 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse2 .cse4 .cse1) (<= 2 ~waterLevel~0) .cse5) (and .cse0 .cse5 .cse6 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2 .cse1)))) [2018-11-23 13:35:47,194 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-11-23 13:35:47,194 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 (not .cse1) .cse2) (<= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~methaneLevelCritical~0) .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse3 .cse1 .cse0 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:35:47,194 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-11-23 13:35:47,194 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-11-23 13:35:47,194 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1) (= 0 ~methaneLevelCritical~0) .cse2) (and (and .cse2 (not .cse3) .cse1) (<= 2 ~waterLevel~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse4 .cse3 .cse2 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:35:47,194 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse3 (and (and (not .cse4) .cse2) .cse1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse4 .cse1 .cse2))) [2018-11-23 13:35:47,194 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4) .cse1 .cse2))) [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse2 .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse2) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 .cse7))) [2018-11-23 13:35:47,195 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-23 13:35:47,195 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse2) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 .cse7))) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:35:47,196 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:35:47,196 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)) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0 .cse3 .cse4 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse3 .cse4 .cse2))) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse1 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse1 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-11-23 13:35:47,196 INFO L451 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-11-23 13:35:47,196 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse8)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) (or .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (or .cse5 .cse6 .cse7 (or .cse3 .cse8)) (or .cse5 .cse1 .cse7 .cse3 .cse4) (or .cse2 .cse6 (or .cse0 .cse3 .cse4))))) [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-11-23 13:35:47,197 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse11 (= 0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not .cse15)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse16 (not (= ~waterLevel~0 1))) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse11)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse12 (= ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse0 .cse3 .cse4) (and .cse6 .cse7)) (or .cse8 .cse1 (and .cse6 .cse9 .cse7) .cse3 .cse4) (or .cse8 .cse10 (or .cse3 .cse11) .cse7) (or .cse12 (or .cse0 .cse1 .cse3 .cse4 .cse13)) (or .cse1 (and .cse6 .cse2 .cse7) .cse4 .cse3 .cse5 .cse14) (or .cse0 .cse15 .cse1 .cse16 .cse3 .cse4) (or .cse8 (or .cse3 .cse4) .cse10 .cse6) (or .cse15 .cse1 (and .cse6 .cse16 .cse9 .cse7) .cse3 .cse4 .cse14) (or .cse7 (or .cse3 .cse14 .cse11)) (or (or .cse1 .cse3 .cse4 .cse14 .cse13) .cse12)))) [2018-11-23 13:35:47,198 INFO L444 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= 0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| 1)) (.cse16 (= ~methAndRunningLastTime~0 0)) (.cse18 (<= 2 ~waterLevel~0)) (.cse19 (= ~pumpRunning~0 1)) (.cse21 (= ~systemActive~0 1)) (.cse20 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse16 (= 0 ~methaneLevelCritical~0) .cse18 .cse19 .cse21 .cse20)) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse14 (= ~waterLevel~0 2)) (.cse9 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not .cse11)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse17 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse8)) (.cse13 (and .cse16 .cse20 .cse7)) (.cse2 (not .cse21)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse2 .cse5 .cse8)) (or .cse9 .cse10 .cse11 .cse0 .cse2 .cse3) (or .cse12 .cse0 .cse13 .cse2 .cse3 .cse5) (or .cse14 (or .cse10 .cse0 .cse2 .cse3 .cse15)) (or .cse12 (or .cse0 .cse2 .cse3 .cse5 .cse15) .cse14) (or .cse11 .cse0 .cse9 .cse2 .cse3 .cse5) (or .cse10 .cse0 .cse2 .cse1 .cse3 .cse4) (or (and .cse16 .cse6) (or .cse10 .cse2 .cse3)) (or .cse17 .cse6 (< |old(~waterLevel~0)| 2) (or .cse2 .cse8)) (or .cse17 (and .cse16 .cse18 .cse19 .cse20) .cse0 .cse13 .cse2 .cse3)))) [2018-11-23 13:35:47,198 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not .cse9)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse10 (and .cse3 .cse4)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (and .cse2 .cse3 .cse4)) (or .cse5 .cse0 .cse1 .cse6) (or .cse7 .cse8 (or .cse0 .cse9) .cse10) (or .cse7 .cse5 .cse0 .cse1) (or .cse7 .cse2 (or .cse0 .cse1) .cse8) (or .cse10 (or .cse0 .cse6 .cse9))))) [2018-11-23 13:35:47,198 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse14 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not .cse16)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (and .cse4 .cse5)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse17 (not (= ~waterLevel~0 1))) (.cse6 (not .cse14)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1 .cse2 .cse8) (or .cse9 .cse6 (and .cse3 .cse5 .cse4) .cse1 .cse2) (or .cse10 (or .cse0 .cse6 .cse1 .cse2 .cse11)) (or .cse9 .cse12 .cse13 (or .cse1 .cse14)) (or .cse6 (and .cse3 .cse7 .cse4) .cse2 .cse1 .cse8 .cse15) (or .cse0 .cse16 .cse6 .cse17 .cse1 .cse2) (or .cse13 (or .cse1 .cse15 .cse14)) (or .cse9 (or .cse1 .cse2) .cse12 .cse3) (or .cse16 .cse6 (and .cse3 .cse17 .cse5 .cse4) .cse1 .cse2 .cse15) (or (or .cse6 .cse1 .cse2 .cse15 .cse11) .cse10)))) [2018-11-23 13:35:47,198 INFO L448 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-11-23 13:35:47,198 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-23 13:35:47,199 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-23 13:35:47,199 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-23 13:35:47,199 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse0) .cse1) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) (or .cse0 .cse2) .cse1))) [2018-11-23 13:35:47,200 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-23 13:35:47,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 13:35:47,200 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:35:47,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:35:47,200 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 13:35:47,200 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-11-23 13:35:47,201 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4))) [2018-11-23 13:35:47,201 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-11-23 13:35:47,201 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-11-23 13:35:47,201 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 (or .cse2 .cse3)) (or .cse1 (or .cse2 .cse4 .cse3)) (or .cse0 (not .cse3) .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse5 .cse4) (or (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse5) .cse1))) [2018-11-23 13:35:47,202 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse11 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~waterLevel~0 2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not .cse11)) (.cse8 (= 1 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse2 .cse3 .cse4)) (or .cse0 .cse2 .cse8 .cse3 .cse4 .cse9) (or (or (or .cse3 .cse10) .cse4) .cse7) (or (or .cse2 .cse10) .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse8 (or .cse4 .cse10) .cse3 .cse9) (or .cse6 (or .cse3 .cse11) (< |old(~waterLevel~0)| 2) .cse7)))) [2018-11-23 13:35:47,202 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-11-23 13:35:47,202 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-11-23 13:35:47,203 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-11-23 13:35:47,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:35:47 BoogieIcfgContainer [2018-11-23 13:35:47,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:35:47,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:35:47,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:35:47,214 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:35:47,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:08" (3/4) ... [2018-11-23 13:35:47,218 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:35:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:35:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:35:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:47,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 13:35:47,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:35:47,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:35:47,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 13:35:47,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:35:47,235 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:35:47,235 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:35:47,235 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:35:47,236 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:35:47,236 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:35:47,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical) && systemActive == 1) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:35:47,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:35:47,301 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_270ad124-7c19-4bf7-bdfd-f88c0ed83fec/bin-2019/utaipan/witness.graphml [2018-11-23 13:35:47,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:35:47,302 INFO L168 Benchmark]: Toolchain (without parser) took 40002.79 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -614.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,302 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:35:47,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -203.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,303 INFO L168 Benchmark]: Boogie Preprocessor took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:35:47,303 INFO L168 Benchmark]: RCFGBuilder took 443.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,303 INFO L168 Benchmark]: TraceAbstraction took 39071.35 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -474.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,303 INFO L168 Benchmark]: Witness Printer took 87.14 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 160.4 kB). Peak memory consumption was 160.4 kB. Max. memory is 11.5 GB. [2018-11-23 13:35:47,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -203.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 443.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39071.35 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -474.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 87.14 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 160.4 kB). Peak memory consumption was 160.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical) && systemActive == 1) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 39.0s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 22.8s AutomataDifference, 0.0s DeadEndRemovalTime, 6.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3264 SDtfs, 3645 SDslu, 11976 SDs, 0 SdLazy, 6821 SolverSat, 2359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1533 GetRequests, 1337 SyntacticMatches, 10 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2215 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2813occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9963522437745918 AbsIntWeakeningRatio, 0.8775510204081632 AbsIntAvgWeakeningVarsNumRemoved, 93.51020408163265 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 980 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4446 PreInvPairs, 4682 NumberOfFragments, 3630 HoareAnnotationTreeSize, 4446 FomulaSimplifications, 25504 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 43209 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2096 NumberOfCodeBlocks, 2096 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2607 ConstructedInterpolants, 0 QuantifiedInterpolants, 693829 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2340 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1143/1205 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...