./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/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 324eb41748355c32a9add81086317d66d1f7b200 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:01:13,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:01:13,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:01:13,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:01:13,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:01:13,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:01:13,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:01:13,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:01:13,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:01:13,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:01:13,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:01:13,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:01:13,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:01:13,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:01:13,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:01:13,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:01:13,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:01:13,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:01:13,689 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:01:13,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:01:13,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:01:13,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:01:13,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:01:13,692 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:01:13,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:01:13,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:01:13,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:01:13,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:01:13,694 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:01:13,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:01:13,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:01:13,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:01:13,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:01:13,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:01:13,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:01:13,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:01:13,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:01:13,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:01:13,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:01:13,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:01:13,703 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:01:13,703 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:01:13,703 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:01:13,704 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:01:13,704 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:01:13,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:01:13,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:01:13,706 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:01:13,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:01:13,706 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_292c0c72-d7fa-45ba-a03a-42da0254d1be/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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-12-02 02:01:13,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:01:13,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:01:13,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:01:13,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:01:13,737 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:01:13,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-02 02:01:13,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/data/1b9ee5e6b/1aa83e6f81444d239536c2c02a46ec9f/FLAG00d4b99c3 [2018-12-02 02:01:14,214 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:01:14,215 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-02 02:01:14,221 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/data/1b9ee5e6b/1aa83e6f81444d239536c2c02a46ec9f/FLAG00d4b99c3 [2018-12-02 02:01:14,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/data/1b9ee5e6b/1aa83e6f81444d239536c2c02a46ec9f [2018-12-02 02:01:14,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:01:14,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:01:14,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:01:14,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:01:14,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:01:14,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14, skipping insertion in model container [2018-12-02 02:01:14,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:01:14,266 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:01:14,454 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:01:14,464 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:01:14,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:01:14,529 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:01:14,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14 WrapperNode [2018-12-02 02:01:14,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:01:14,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:01:14,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:01:14,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:01:14,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:01:14,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:01:14,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:01:14,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:01:14,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... [2018-12-02 02:01:14,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:01:14,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:01:14,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:01:14,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:01:14,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:01:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 02:01:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 02:01:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:01:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 02:01:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 02:01:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 02:01:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 02:01:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 02:01:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 02:01:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 02:01:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 02:01:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:01:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:01:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:01:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:01:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:01:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:01:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 02:01:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 02:01:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:01:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:01:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:01:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:01:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 02:01:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 02:01:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 02:01:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 02:01:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 02:01:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 02:01:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 02:01:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 02:01:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 02:01:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 02:01:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 02:01:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 02:01:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:01:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:01:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:01:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:01:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:01:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 02:01:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 02:01:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 02:01:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 02:01:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:01:14,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:01:14,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:01:14,903 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 02:01:14,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:14 BoogieIcfgContainer [2018-12-02 02:01:14,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:01:14,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:01:14,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:01:14,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:01:14,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:01:14" (1/3) ... [2018-12-02 02:01:14,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ebca69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:01:14, skipping insertion in model container [2018-12-02 02:01:14,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:14" (2/3) ... [2018-12-02 02:01:14,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ebca69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:01:14, skipping insertion in model container [2018-12-02 02:01:14,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:14" (3/3) ... [2018-12-02 02:01:14,908 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-02 02:01:14,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:01:14,919 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:01:14,928 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:01:14,948 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:01:14,948 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:01:14,948 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:01:14,948 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:01:14,948 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:01:14,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:01:14,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:01:14,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:01:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-02 02:01:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:01:14,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:14,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:14,967 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:14,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:14,971 INFO L82 PathProgramCache]: Analyzing trace with hash 309497542, now seen corresponding path program 1 times [2018-12-02 02:01:14,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,000 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:15,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:15,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:01:15,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:15,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:01:15,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:01:15,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:01:15,121 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-02 02:01:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:15,146 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2018-12-02 02:01:15,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:01:15,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 02:01:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:15,155 INFO L225 Difference]: With dead ends: 292 [2018-12-02 02:01:15,155 INFO L226 Difference]: Without dead ends: 146 [2018-12-02 02:01:15,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:01:15,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-02 02:01:15,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-02 02:01:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-02 02:01:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-12-02 02:01:15,189 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2018-12-02 02:01:15,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:15,189 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-12-02 02:01:15,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:01:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-12-02 02:01:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 02:01:15,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:15,191 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] [2018-12-02 02:01:15,192 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:15,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:15,192 INFO L82 PathProgramCache]: Analyzing trace with hash 50384909, now seen corresponding path program 1 times [2018-12-02 02:01:15,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:15,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:15,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:15,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:15,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:01:15,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:15,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:01:15,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:01:15,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:01:15,252 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2018-12-02 02:01:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:15,266 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-12-02 02:01:15,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:01:15,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 02:01:15,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:15,267 INFO L225 Difference]: With dead ends: 241 [2018-12-02 02:01:15,267 INFO L226 Difference]: Without dead ends: 137 [2018-12-02 02:01:15,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:01:15,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-02 02:01:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-02 02:01:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-02 02:01:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-12-02 02:01:15,276 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2018-12-02 02:01:15,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:15,276 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-12-02 02:01:15,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:01:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-12-02 02:01:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 02:01:15,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:15,278 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] [2018-12-02 02:01:15,278 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:15,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1719848662, now seen corresponding path program 1 times [2018-12-02 02:01:15,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:15,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:15,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:15,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:15,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:01:15,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:15,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:01:15,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:01:15,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:01:15,362 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2018-12-02 02:01:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:15,525 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2018-12-02 02:01:15,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:01:15,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 02:01:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:15,527 INFO L225 Difference]: With dead ends: 250 [2018-12-02 02:01:15,527 INFO L226 Difference]: Without dead ends: 137 [2018-12-02 02:01:15,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:01:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-02 02:01:15,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-02 02:01:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-02 02:01:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2018-12-02 02:01:15,535 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2018-12-02 02:01:15,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:15,536 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2018-12-02 02:01:15,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:01:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2018-12-02 02:01:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 02:01:15,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:15,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:15,537 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:15,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:15,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1872109176, now seen corresponding path program 1 times [2018-12-02 02:01:15,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:15,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:15,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:15,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:15,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:01:15,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:15,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:01:15,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:01:15,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:01:15,593 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2018-12-02 02:01:15,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:15,897 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2018-12-02 02:01:15,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:01:15,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 02:01:15,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:15,898 INFO L225 Difference]: With dead ends: 358 [2018-12-02 02:01:15,898 INFO L226 Difference]: Without dead ends: 245 [2018-12-02 02:01:15,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:01:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-02 02:01:15,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-12-02 02:01:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-12-02 02:01:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-12-02 02:01:15,917 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2018-12-02 02:01:15,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:15,917 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-12-02 02:01:15,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:01:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-12-02 02:01:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 02:01:15,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:15,919 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] [2018-12-02 02:01:15,919 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:15,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1423110013, now seen corresponding path program 1 times [2018-12-02 02:01:15,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:15,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:15,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:15,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:16,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:16,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:01:16,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:16,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:01:16,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:01:16,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:01:16,001 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2018-12-02 02:01:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:16,113 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2018-12-02 02:01:16,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:01:16,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 02:01:16,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:16,116 INFO L225 Difference]: With dead ends: 556 [2018-12-02 02:01:16,116 INFO L226 Difference]: Without dead ends: 353 [2018-12-02 02:01:16,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:01:16,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-12-02 02:01:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2018-12-02 02:01:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-12-02 02:01:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2018-12-02 02:01:16,144 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2018-12-02 02:01:16,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:16,144 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2018-12-02 02:01:16,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:01:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2018-12-02 02:01:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:01:16,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:16,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:16,146 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:16,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:16,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1055268227, now seen corresponding path program 1 times [2018-12-02 02:01:16,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:16,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:16,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:16,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:16,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:01:16,252 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:16,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:01:16,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:01:16,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:01:16,253 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2018-12-02 02:01:16,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:16,382 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2018-12-02 02:01:16,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:01:16,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 02:01:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:16,385 INFO L225 Difference]: With dead ends: 750 [2018-12-02 02:01:16,386 INFO L226 Difference]: Without dead ends: 547 [2018-12-02 02:01:16,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:01:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-12-02 02:01:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2018-12-02 02:01:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-12-02 02:01:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2018-12-02 02:01:16,420 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2018-12-02 02:01:16,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:16,420 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2018-12-02 02:01:16,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:01:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2018-12-02 02:01:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:01:16,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:16,422 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:16,422 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:16,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1977951810, now seen corresponding path program 1 times [2018-12-02 02:01:16,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:16,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:16,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:16,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:16,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:01:16,481 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:16,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:01:16,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:01:16,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:01:16,481 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2018-12-02 02:01:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:16,503 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2018-12-02 02:01:16,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 02:01:16,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-02 02:01:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:16,505 INFO L225 Difference]: With dead ends: 922 [2018-12-02 02:01:16,505 INFO L226 Difference]: Without dead ends: 539 [2018-12-02 02:01:16,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:01:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-12-02 02:01:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-12-02 02:01:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-12-02 02:01:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2018-12-02 02:01:16,523 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2018-12-02 02:01:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:16,524 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2018-12-02 02:01:16,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:01:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2018-12-02 02:01:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:01:16,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:16,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:16,525 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:16,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1473009984, now seen corresponding path program 1 times [2018-12-02 02:01:16,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:16,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:16,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:16,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:16,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 02:01:16,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:16,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:01:16,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:01:16,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:01:16,592 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2018-12-02 02:01:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:16,630 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2018-12-02 02:01:16,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 02:01:16,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-02 02:01:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:16,633 INFO L225 Difference]: With dead ends: 1059 [2018-12-02 02:01:16,633 INFO L226 Difference]: Without dead ends: 550 [2018-12-02 02:01:16,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:01:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-12-02 02:01:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2018-12-02 02:01:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-02 02:01:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2018-12-02 02:01:16,660 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2018-12-02 02:01:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:16,661 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2018-12-02 02:01:16,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:01:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2018-12-02 02:01:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 02:01:16,662 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:16,663 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] [2018-12-02 02:01:16,663 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:16,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:16,663 INFO L82 PathProgramCache]: Analyzing trace with hash 341149841, now seen corresponding path program 1 times [2018-12-02 02:01:16,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:16,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:16,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:16,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:01:16,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:01:16,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:01:16,735 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-12-02 02:01:16,736 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [97], [99], [102], [121], [122], [123], [125], [128], [133], [134], [136], [141], [143], [144], [145], [146], [185], [189], [196], [197], [198], [200], [205], [207], [210], [212], [217], [231], [235], [238], [240], [243], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [276], [278], [279], [286], [287], [288], [289], [292], [296], [297], [300], [301], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [320], [321], [322], [324], [325], [326], [327] [2018-12-02 02:01:16,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:01:16,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:01:17,148 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:01:17,149 INFO L272 AbstractInterpreter]: Visited 98 different actions 100 times. Never merged. Never widened. Performed 3122 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3122 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 02:01:17,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:17,154 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:01:17,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:01:17,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:01:17,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:17,161 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:01:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:17,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:01:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:01:17,308 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:01:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:01:17,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:01:17,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-02 02:01:17,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:17,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:01:17,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:01:17,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:01:17,613 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 8 states. [2018-12-02 02:01:17,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:17,807 INFO L93 Difference]: Finished difference Result 1559 states and 1879 transitions. [2018-12-02 02:01:17,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:01:17,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-12-02 02:01:17,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:17,810 INFO L225 Difference]: With dead ends: 1559 [2018-12-02 02:01:17,810 INFO L226 Difference]: Without dead ends: 1043 [2018-12-02 02:01:17,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 188 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:01:17,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-12-02 02:01:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1040. [2018-12-02 02:01:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2018-12-02 02:01:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1230 transitions. [2018-12-02 02:01:17,841 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1230 transitions. Word has length 100 [2018-12-02 02:01:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:17,841 INFO L480 AbstractCegarLoop]: Abstraction has 1040 states and 1230 transitions. [2018-12-02 02:01:17,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:01:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1230 transitions. [2018-12-02 02:01:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:01:17,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:17,843 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] [2018-12-02 02:01:17,843 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:17,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:17,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1406056147, now seen corresponding path program 1 times [2018-12-02 02:01:17,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:17,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:17,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:17,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:17,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:01:17,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:17,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 02:01:17,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:17,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:01:17,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:01:17,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:01:17,912 INFO L87 Difference]: Start difference. First operand 1040 states and 1230 transitions. Second operand 10 states. [2018-12-02 02:01:18,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:18,037 INFO L93 Difference]: Finished difference Result 2068 states and 2449 transitions. [2018-12-02 02:01:18,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 02:01:18,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-02 02:01:18,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:18,040 INFO L225 Difference]: With dead ends: 2068 [2018-12-02 02:01:18,040 INFO L226 Difference]: Without dead ends: 1052 [2018-12-02 02:01:18,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:01:18,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2018-12-02 02:01:18,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1018. [2018-12-02 02:01:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2018-12-02 02:01:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1167 transitions. [2018-12-02 02:01:18,070 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1167 transitions. Word has length 104 [2018-12-02 02:01:18,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:18,071 INFO L480 AbstractCegarLoop]: Abstraction has 1018 states and 1167 transitions. [2018-12-02 02:01:18,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:01:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1167 transitions. [2018-12-02 02:01:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:01:18,072 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:18,072 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] [2018-12-02 02:01:18,072 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:18,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:18,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836691, now seen corresponding path program 1 times [2018-12-02 02:01:18,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:18,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:18,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:18,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:18,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:01:18,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:01:18,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 02:01:18,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:18,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:01:18,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:01:18,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:01:18,146 INFO L87 Difference]: Start difference. First operand 1018 states and 1167 transitions. Second operand 10 states. [2018-12-02 02:01:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:18,296 INFO L93 Difference]: Finished difference Result 1962 states and 2281 transitions. [2018-12-02 02:01:18,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 02:01:18,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-02 02:01:18,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:18,301 INFO L225 Difference]: With dead ends: 1962 [2018-12-02 02:01:18,301 INFO L226 Difference]: Without dead ends: 968 [2018-12-02 02:01:18,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:01:18,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-12-02 02:01:18,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 952. [2018-12-02 02:01:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2018-12-02 02:01:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1079 transitions. [2018-12-02 02:01:18,342 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1079 transitions. Word has length 104 [2018-12-02 02:01:18,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:18,343 INFO L480 AbstractCegarLoop]: Abstraction has 952 states and 1079 transitions. [2018-12-02 02:01:18,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:01:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1079 transitions. [2018-12-02 02:01:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 02:01:18,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:01:18,346 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:01:18,346 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:01:18,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:18,346 INFO L82 PathProgramCache]: Analyzing trace with hash -968247840, now seen corresponding path program 1 times [2018-12-02 02:01:18,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:01:18,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:18,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:18,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:01:18,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:01:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:01:18,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:01:18,412 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:01:18,412 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-02 02:01:18,412 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [139], [143], [144], [145], [146], [182], [185], [189], [195], [196], [197], [198], [200], [203], [205], [207], [210], [212], [217], [223], [226], [230], [231], [235], [238], [240], [243], [253], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [278], [279], [280], [281], [282], [283], [286], [287], [292], [293], [296], [297], [298], [299], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [322], [324], [325], [326], [327] [2018-12-02 02:01:18,415 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:01:18,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:01:18,907 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:01:18,907 INFO L272 AbstractInterpreter]: Visited 122 different actions 279 times. Merged at 14 different actions 14 times. Never widened. Performed 8242 root evaluator evaluations with a maximum evaluation depth of 5. Performed 8242 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-02 02:01:18,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:01:18,909 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:01:18,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:01:18,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:01:18,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:01:18,918 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:01:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:01:18,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:01:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:01:19,087 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:01:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:01:19,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:01:19,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-12-02 02:01:19,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:01:19,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:01:19,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:01:19,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:01:19,284 INFO L87 Difference]: Start difference. First operand 952 states and 1079 transitions. Second operand 9 states. [2018-12-02 02:01:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:01:19,501 INFO L93 Difference]: Finished difference Result 1731 states and 2046 transitions. [2018-12-02 02:01:19,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 02:01:19,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2018-12-02 02:01:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:01:19,503 INFO L225 Difference]: With dead ends: 1731 [2018-12-02 02:01:19,503 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:01:19,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-12-02 02:01:19,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:01:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:01:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:01:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:01:19,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2018-12-02 02:01:19,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:01:19,505 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:01:19,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:01:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:01:19,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:01:19,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:01:19,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:01:19,936 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2018-12-02 02:01:20,192 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-12-02 02:01:20,639 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2018-12-02 02:01:21,212 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2018-12-02 02:01:21,900 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2018-12-02 02:01:22,121 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2018-12-02 02:01:22,436 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2018-12-02 02:01:22,470 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-12-02 02:01:22,470 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-12-02 02:01:22,470 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-12-02 02:01:22,470 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-12-02 02:01:22,470 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,471 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,471 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,471 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L451 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-12-02 02:01:22,472 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-12-02 02:01:22,472 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L451 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-12-02 02:01:22,473 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse7 .cse4 .cse5 .cse0) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-12-02 02:01:22,474 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2018-12-02 02:01:22,474 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-02 02:01:22,474 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-02 02:01:22,474 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-12-02 02:01:22,474 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-12-02 02:01:22,474 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L444 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-12-02 02:01:22,475 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (not (= ~systemActive~0 1)) (and .cse0 .cse3 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse5 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:01:22,476 INFO L444 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (not (= ~systemActive~0 1)) (and .cse0 .cse3 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse5 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-12-02 02:01:22,476 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-02 02:01:22,477 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-12-02 02:01:22,477 INFO L451 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse3 (or .cse1 .cse2 .cse6)) (or .cse0 .cse7 .cse4 .cse3 .cse2) (or .cse7 .cse3 .cse2 .cse6 .cse5))) [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-12-02 02:01:22,478 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-12-02 02:01:22,478 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-12-02 02:01:22,479 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-12-02 02:01:22,479 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-12-02 02:01:22,479 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-12-02 02:01:22,479 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-02 02:01:22,479 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-12-02 02:01:22,479 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-12-02 02:01:22,479 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse2 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse9 .cse4)) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (or .cse9 .cse4 .cse10)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse6) (or .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3 .cse2) (or .cse9 .cse4 .cse6 .cse10 .cse5) (or .cse1 .cse5 .cse4 .cse6 .cse10) (or .cse1 .cse3 .cse4 .cse10 .cse2) (or .cse0 .cse11 .cse8 .cse12) (or .cse12 .cse11 .cse1 .cse4 .cse10) (or .cse0 .cse5 .cse9 .cse4 .cse6) (or .cse11 .cse12 .cse7) (or .cse0 .cse11 .cse1 .cse4 .cse12)))) [2018-12-02 02:01:22,479 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 1)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (and (< ~waterLevel~0 3) .cse12)) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse9 (and .cse10 .cse12)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4 .cse6 .cse7) (or .cse0 (or .cse8 .cse4) .cse3 .cse9) (or .cse1 .cse3 .cse4 .cse7 .cse2) (or .cse3 .cse9 (or .cse8 .cse4 .cse7)) (or .cse10 .cse11 .cse1 .cse4 .cse7) (or .cse0 .cse11 .cse1 .cse4 .cse10)))) [2018-12-02 02:01:22,479 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse13 (< ~waterLevel~0 3)) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse1 (and (= 0 ~pumpRunning~0) .cse10)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and .cse10 .cse14)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= 3 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (and .cse13 (= ~pumpRunning~0 1))) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse9 .cse6 .cse10 .cse3) (or .cse6 .cse7 .cse3 .cse8 .cse11) (or .cse1 .cse4 .cse5 (or .cse2 .cse3 .cse11)) (or .cse9 .cse10 .cse6 .cse3 .cse11) (or .cse12 .cse0 .cse6 (and .cse13 .cse14) .cse4 .cse3) (or .cse5 .cse6 .cse4 .cse3 .cse12 .cse11)))) [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse5 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (or .cse9 .cse3)) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse6 (or .cse9 .cse3 .cse4)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse2 .cse5) (or .cse8 .cse9 .cse3 .cse10 .cse4) (or .cse0 .cse11 .cse7 .cse12) (or .cse11 .cse12 .cse6) (or .cse0 .cse8 .cse9 .cse3 .cse10)))) [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (<= 3 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-12-02 02:01:22,480 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2))) [2018-12-02 02:01:22,481 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L451 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (<= 3 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or .cse3 .cse4 .cse5 .cse1) (or .cse4 .cse5 .cse1 .cse2))) [2018-12-02 02:01:22,481 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (or (= ~pumpRunning~0 0) .cse6)) (.cse0 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse3) (or .cse8 .cse2 .cse9 .cse3 .cse4) (or .cse10 .cse5 .cse2 .cse6 .cse7) (or .cse10 .cse8 .cse2 .cse9 .cse4) (or .cse10 .cse1 .cse2 .cse4 .cse0)))) [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-12-02 02:01:22,481 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-12-02 02:01:22,482 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:01:22,482 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 02:01:22,482 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:01:22,482 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:01:22,482 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse7 .cse4 .cse5 .cse0) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-12-02 02:01:22,482 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-12-02 02:01:22,482 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-02 02:01:22,482 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-12-02 02:01:22,482 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse4 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2018-12-02 02:01:22,482 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (and (<= ~waterLevel~0 1) .cse9)) (.cse4 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse4 .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse6 .cse7 .cse3)))) [2018-12-02 02:01:22,482 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (< ~waterLevel~0 3)) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse7 .cse4 .cse8) (or .cse7 .cse9 .cse4 .cse10 .cse8) (or .cse0 .cse9 .cse3 .cse4 .cse10) (or .cse0 .cse1 .cse7 .cse4 .cse2) (or .cse3 .cse4 .cse10 .cse8 .cse9) (or .cse0 .cse7 .cse6 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse6 .cse5 .cse3 .cse4 .cse8) (or .cse0 .cse7 .cse9 .cse4 .cse10))) [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-12-02 02:01:22,483 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-12-02 02:01:22,483 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-12-02 02:01:22,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:01:22 BoogieIcfgContainer [2018-12-02 02:01:22,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:01:22,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:01:22,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:01:22,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:01:22,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:14" (3/4) ... [2018-12-02 02:01:22,497 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 02:01:22,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:01:22,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 02:01:22,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 02:01:22,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 02:01:22,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:01:22,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:01:22,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 02:01:22,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 02:01:22,511 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 02:01:22,511 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:01:22,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:01:22,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:01:22,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:01:22,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:01:22,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:01:22,556 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_292c0c72-d7fa-45ba-a03a-42da0254d1be/bin-2019/utaipan/witness.graphml [2018-12-02 02:01:22,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:01:22,557 INFO L168 Benchmark]: Toolchain (without parser) took 8325.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 286.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:01:22,557 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:01:22,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:01:22,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:01:22,558 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:01:22,558 INFO L168 Benchmark]: RCFGBuilder took 332.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:01:22,558 INFO L168 Benchmark]: TraceAbstraction took 7589.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 282.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 554.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:01:22,558 INFO L168 Benchmark]: Witness Printer took 62.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:01:22,559 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7589.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 282.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 554.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2172 SDtfs, 1345 SDslu, 7648 SDs, 0 SdLazy, 1384 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 619 GetRequests, 509 SyntacticMatches, 10 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2419 PreInvPairs, 2553 NumberOfFragments, 2993 HoareAnnotationTreeSize, 2419 FomulaSimplifications, 1866 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13346 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1286 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 282983 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 95/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...