./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_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_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:42:01,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:42:01,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:42:01,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:42:01,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:42:01,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:42:01,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:42:01,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:42:01,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:42:01,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:42:01,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:42:01,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:42:01,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:42:01,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:42:01,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:42:01,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:42:01,731 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:42:01,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:42:01,733 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:42:01,734 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:42:01,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:42:01,735 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:42:01,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:42:01,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:42:01,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:42:01,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:42:01,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:42:01,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:42:01,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:42:01,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:42:01,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:42:01,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:42:01,739 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:42:01,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:42:01,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:42:01,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:42:01,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:42:01,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:42:01,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:42:01,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:42:01,747 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:42:01,748 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:42:01,748 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:42:01,748 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:42:01,748 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:42:01,748 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:42:01,748 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:42:01,749 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:42:01,749 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:42:01,749 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:42:01,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:42:01,750 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:42:01,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:42:01,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:42:01,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:42:01,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:42:01,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:42:01,751 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:42:01,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:42:01,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:42:01,752 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_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2018-12-02 04:42:01,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:42:01,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:42:01,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:42:01,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:42:01,780 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:42:01,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 04:42:01,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/data/d217a3a61/b0146e3cd5bc4f53b945ff04a2e374d8/FLAG5e8aada8d [2018-12-02 04:42:02,118 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:42:02,118 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 04:42:02,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/data/d217a3a61/b0146e3cd5bc4f53b945ff04a2e374d8/FLAG5e8aada8d [2018-12-02 04:42:02,133 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/data/d217a3a61/b0146e3cd5bc4f53b945ff04a2e374d8 [2018-12-02 04:42:02,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:42:02,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:42:02,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:42:02,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:42:02,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:42:02,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02, skipping insertion in model container [2018-12-02 04:42:02,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:42:02,165 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:42:02,314 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:42:02,364 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:42:02,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:42:02,423 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:42:02,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02 WrapperNode [2018-12-02 04:42:02,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:42:02,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:42:02,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:42:02,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:42:02,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:42:02,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:42:02,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:42:02,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:42:02,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... [2018-12-02 04:42:02,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:42:02,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:42:02,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:42:02,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:42:02,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/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 04:42:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 04:42:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 04:42:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 04:42:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 04:42:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 04:42:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 04:42:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 04:42:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:42:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:42:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 04:42:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 04:42:02,812 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:42:02,812 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 04:42:02,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:02 BoogieIcfgContainer [2018-12-02 04:42:02,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:42:02,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:42:02,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:42:02,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:42:02,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:42:02" (1/3) ... [2018-12-02 04:42:02,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0a575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:02, skipping insertion in model container [2018-12-02 04:42:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:02" (2/3) ... [2018-12-02 04:42:02,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0a575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:02, skipping insertion in model container [2018-12-02 04:42:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:02" (3/3) ... [2018-12-02 04:42:02,817 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 04:42:02,824 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:42:02,829 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:42:02,838 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:42:02,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:42:02,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:42:02,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:42:02,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:42:02,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:42:02,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:42:02,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:42:02,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:42:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-02 04:42:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 04:42:02,873 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:02,874 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] [2018-12-02 04:42:02,875 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:02,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:02,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1147007446, now seen corresponding path program 1 times [2018-12-02 04:42:02,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:02,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:02,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:02,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:02,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:03,014 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 04:42:03,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:03,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:42:03,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:03,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:42:03,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:42:03,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:42:03,028 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-02 04:42:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:03,051 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-12-02 04:42:03,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:42:03,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 04:42:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:03,059 INFO L225 Difference]: With dead ends: 300 [2018-12-02 04:42:03,059 INFO L226 Difference]: Without dead ends: 150 [2018-12-02 04:42:03,062 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 04:42:03,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-02 04:42:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-02 04:42:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-02 04:42:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-02 04:42:03,093 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-12-02 04:42:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:03,094 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-02 04:42:03,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:42:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-02 04:42:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 04:42:03,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:03,096 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] [2018-12-02 04:42:03,096 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:03,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:03,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1325406956, now seen corresponding path program 1 times [2018-12-02 04:42:03,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:03,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:03,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:03,159 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 04:42:03,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:03,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:42:03,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:03,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:42:03,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:42:03,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:42:03,161 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-12-02 04:42:03,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:03,179 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-02 04:42:03,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:42:03,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 04:42:03,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:03,182 INFO L225 Difference]: With dead ends: 239 [2018-12-02 04:42:03,182 INFO L226 Difference]: Without dead ends: 141 [2018-12-02 04:42:03,183 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 04:42:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-02 04:42:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-02 04:42:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-02 04:42:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-12-02 04:42:03,194 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-12-02 04:42:03,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:03,194 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-12-02 04:42:03,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:42:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-12-02 04:42:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 04:42:03,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:03,196 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 04:42:03,196 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:03,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:03,196 INFO L82 PathProgramCache]: Analyzing trace with hash -534330577, now seen corresponding path program 1 times [2018-12-02 04:42:03,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:03,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:03,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:42:03,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:03,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:42:03,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:03,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:42:03,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:42:03,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:42:03,286 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-12-02 04:42:03,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:03,546 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2018-12-02 04:42:03,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:42:03,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 04:42:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:03,548 INFO L225 Difference]: With dead ends: 425 [2018-12-02 04:42:03,548 INFO L226 Difference]: Without dead ends: 308 [2018-12-02 04:42:03,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:42:03,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-12-02 04:42:03,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2018-12-02 04:42:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-12-02 04:42:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2018-12-02 04:42:03,569 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2018-12-02 04:42:03,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:03,570 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2018-12-02 04:42:03,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:42:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2018-12-02 04:42:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 04:42:03,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:03,571 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 04:42:03,571 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:03,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash -408331355, now seen corresponding path program 1 times [2018-12-02 04:42:03,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:03,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:03,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:03,633 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 04:42:03,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:03,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:42:03,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:03,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:42:03,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:42:03,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:42:03,635 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2018-12-02 04:42:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:03,753 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2018-12-02 04:42:03,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:42:03,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 04:42:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:03,756 INFO L225 Difference]: With dead ends: 825 [2018-12-02 04:42:03,756 INFO L226 Difference]: Without dead ends: 553 [2018-12-02 04:42:03,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:42:03,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-02 04:42:03,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-02 04:42:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-02 04:42:03,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2018-12-02 04:42:03,784 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2018-12-02 04:42:03,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:03,784 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2018-12-02 04:42:03,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:42:03,784 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2018-12-02 04:42:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 04:42:03,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:03,786 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] [2018-12-02 04:42:03,786 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:03,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:03,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1423719401, now seen corresponding path program 1 times [2018-12-02 04:42:03,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:03,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:03,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:03,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:03,847 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 04:42:03,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:03,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:42:03,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:03,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:42:03,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:42:03,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:42:03,848 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2018-12-02 04:42:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:04,200 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2018-12-02 04:42:04,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 04:42:04,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 04:42:04,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:04,204 INFO L225 Difference]: With dead ends: 1406 [2018-12-02 04:42:04,205 INFO L226 Difference]: Without dead ends: 883 [2018-12-02 04:42:04,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 04:42:04,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-12-02 04:42:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2018-12-02 04:42:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-12-02 04:42:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2018-12-02 04:42:04,254 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2018-12-02 04:42:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:04,255 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2018-12-02 04:42:04,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:42:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2018-12-02 04:42:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:42:04,257 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:04,257 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] [2018-12-02 04:42:04,257 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:04,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:04,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1372644600, now seen corresponding path program 1 times [2018-12-02 04:42:04,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:04,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:04,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:04,322 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 04:42:04,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:04,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:42:04,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:04,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:42:04,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:42:04,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:42:04,323 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2018-12-02 04:42:04,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:04,360 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2018-12-02 04:42:04,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:42:04,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 04:42:04,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:04,363 INFO L225 Difference]: With dead ends: 1574 [2018-12-02 04:42:04,363 INFO L226 Difference]: Without dead ends: 813 [2018-12-02 04:42:04,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:42:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-02 04:42:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2018-12-02 04:42:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-02 04:42:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-02 04:42:04,391 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2018-12-02 04:42:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:04,392 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-02 04:42:04,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:42:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-02 04:42:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:42:04,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:04,393 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] [2018-12-02 04:42:04,393 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:04,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:04,394 INFO L82 PathProgramCache]: Analyzing trace with hash -479158262, now seen corresponding path program 1 times [2018-12-02 04:42:04,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:04,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:04,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:04,444 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 04:42:04,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:04,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 04:42:04,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:04,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 04:42:04,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 04:42:04,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:42:04,444 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2018-12-02 04:42:04,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:04,478 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2018-12-02 04:42:04,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:42:04,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-02 04:42:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:04,482 INFO L225 Difference]: With dead ends: 1614 [2018-12-02 04:42:04,482 INFO L226 Difference]: Without dead ends: 833 [2018-12-02 04:42:04,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:42:04,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-12-02 04:42:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2018-12-02 04:42:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-12-02 04:42:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2018-12-02 04:42:04,515 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2018-12-02 04:42:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:04,515 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2018-12-02 04:42:04,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 04:42:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2018-12-02 04:42:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:42:04,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:04,517 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] [2018-12-02 04:42:04,517 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:04,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:04,517 INFO L82 PathProgramCache]: Analyzing trace with hash -486917621, now seen corresponding path program 1 times [2018-12-02 04:42:04,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:04,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:04,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:04,583 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 04:42:04,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:04,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:42:04,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:04,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:42:04,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:42:04,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:42:04,584 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2018-12-02 04:42:04,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:04,739 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2018-12-02 04:42:04,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:42:04,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 04:42:04,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:04,747 INFO L225 Difference]: With dead ends: 2603 [2018-12-02 04:42:04,747 INFO L226 Difference]: Without dead ends: 1806 [2018-12-02 04:42:04,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:42:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-12-02 04:42:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2018-12-02 04:42:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2018-12-02 04:42:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2018-12-02 04:42:04,810 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2018-12-02 04:42:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:04,811 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2018-12-02 04:42:04,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:42:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2018-12-02 04:42:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 04:42:04,813 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:04,813 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] [2018-12-02 04:42:04,813 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:04,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:04,813 INFO L82 PathProgramCache]: Analyzing trace with hash 379357745, now seen corresponding path program 1 times [2018-12-02 04:42:04,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:04,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:04,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:04,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:04,897 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 04:42:04,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:42:04,897 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:42:04,898 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-02 04:42:04,899 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [120], [128], [129], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [170], [174], [214], [218], [221], [223], [226], [236], [241], [245], [246], [249], [251], [254], [256], [259], [268], [269], [270], [271], [272], [273], [274], [275], [276], [282], [284], [285], [292], [293], [294], [295], [296], [297], [302], [306], [307], [308], [309], [310], [311], [314], [315], [316], [322], [323], [324], [326], [327], [328], [329], [334], [335], [336], [337], [338] [2018-12-02 04:42:04,928 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:42:04,928 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:42:05,247 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:42:05,248 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 04:42:05,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:05,255 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:42:05,440 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.22% of their original sizes. [2018-12-02 04:42:05,440 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:42:05,579 INFO L418 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-12-02 04:42:05,579 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:42:05,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:42:05,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-12-02 04:42:05,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:05,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-02 04:42:05,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-02 04:42:05,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-12-02 04:42:05,581 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 21 states. [2018-12-02 04:42:11,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:11,152 INFO L93 Difference]: Finished difference Result 3847 states and 4783 transitions. [2018-12-02 04:42:11,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 04:42:11,153 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2018-12-02 04:42:11,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:11,158 INFO L225 Difference]: With dead ends: 3847 [2018-12-02 04:42:11,158 INFO L226 Difference]: Without dead ends: 2096 [2018-12-02 04:42:11,161 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1903, Unknown=0, NotChecked=0, Total=2162 [2018-12-02 04:42:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2018-12-02 04:42:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2077. [2018-12-02 04:42:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2018-12-02 04:42:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2463 transitions. [2018-12-02 04:42:11,215 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2463 transitions. Word has length 103 [2018-12-02 04:42:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:11,215 INFO L480 AbstractCegarLoop]: Abstraction has 2077 states and 2463 transitions. [2018-12-02 04:42:11,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-02 04:42:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2463 transitions. [2018-12-02 04:42:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 04:42:11,219 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:11,219 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:11,219 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:11,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:11,220 INFO L82 PathProgramCache]: Analyzing trace with hash 788815529, now seen corresponding path program 1 times [2018-12-02 04:42:11,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:11,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:11,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:11,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:11,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 04:42:11,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:42:11,316 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:42:11,316 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-02 04:42:11,317 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [120], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [167], [170], [174], [180], [209], [213], [214], [218], [221], [223], [226], [233], [236], [241], [245], [246], [249], [251], [254], [256], [259], [265], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [280], [281], [282], [284], [285], [286], [287], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [322], [323], [324], [326], [327], [328], [329], [332], [333], [334], [335], [336], [337], [338] [2018-12-02 04:42:11,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:42:11,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:42:12,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:42:12,650 INFO L272 AbstractInterpreter]: Visited 133 different actions 1037 times. Merged at 21 different actions 90 times. Never widened. Performed 39007 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39007 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-02 04:42:12,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:12,653 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:42:12,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:42:12,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/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 04:42:12,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:12,659 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:42:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:12,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:42:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 04:42:12,811 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:42:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 04:42:13,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 04:42:13,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-02 04:42:13,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:13,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:42:13,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:42:13,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-02 04:42:13,083 INFO L87 Difference]: Start difference. First operand 2077 states and 2463 transitions. Second operand 9 states. [2018-12-02 04:42:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:13,950 INFO L93 Difference]: Finished difference Result 5299 states and 7163 transitions. [2018-12-02 04:42:13,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 04:42:13,951 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-02 04:42:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:13,961 INFO L225 Difference]: With dead ends: 5299 [2018-12-02 04:42:13,962 INFO L226 Difference]: Without dead ends: 3894 [2018-12-02 04:42:13,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-02 04:42:13,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2018-12-02 04:42:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3149. [2018-12-02 04:42:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3149 states. [2018-12-02 04:42:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 3847 transitions. [2018-12-02 04:42:14,098 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 3847 transitions. Word has length 157 [2018-12-02 04:42:14,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:14,098 INFO L480 AbstractCegarLoop]: Abstraction has 3149 states and 3847 transitions. [2018-12-02 04:42:14,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:42:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3847 transitions. [2018-12-02 04:42:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 04:42:14,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:42:14,103 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:14,103 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:42:14,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:42:14,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1063575143, now seen corresponding path program 1 times [2018-12-02 04:42:14,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:42:14,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:14,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:42:14,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:42:14,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:42:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:42:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 04:42:14,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:42:14,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 04:42:14,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:42:14,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:42:14,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:42:14,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:42:14,199 INFO L87 Difference]: Start difference. First operand 3149 states and 3847 transitions. Second operand 9 states. [2018-12-02 04:42:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:42:14,299 INFO L93 Difference]: Finished difference Result 4129 states and 5029 transitions. [2018-12-02 04:42:14,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:42:14,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-02 04:42:14,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:42:14,300 INFO L225 Difference]: With dead ends: 4129 [2018-12-02 04:42:14,300 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:42:14,305 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 04:42:14,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:42:14,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:42:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:42:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:42:14,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-02 04:42:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:42:14,306 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:42:14,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:42:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:42:14,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:42:14,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:42:14,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:14,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:42:15,385 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-12-02 04:42:15,597 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-12-02 04:42:16,003 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-12-02 04:42:16,190 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-12-02 04:42:17,246 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-02 04:42:17,480 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 37 [2018-12-02 04:42:17,502 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2018-12-02 04:42:17,502 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2018-12-02 04:42:17,502 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2018-12-02 04:42:17,502 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2018-12-02 04:42:17,502 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2018-12-02 04:42:17,502 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 04:42:17,502 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 04:42:17,502 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,502 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse7 (or .cse6 .cse4))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 (< ~waterLevel~0 1)) (or (or .cse7 .cse2) .cse5) (or .cse5 (or .cse7 (not (= ~waterLevel~0 1))))))) [2018-12-02 04:42:17,503 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< ~waterLevel~0 2))) (and (or (or .cse0 .cse1) (< ~waterLevel~0 1)) (or (or .cse2 .cse3 .cse4) .cse5) (or .cse5 (or .cse3 .cse4 .cse1)) (or .cse2 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse4))) [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2018-12-02 04:42:17,503 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2018-12-02 04:42:17,503 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L451 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2018-12-02 04:42:17,504 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L451 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2018-12-02 04:42:17,504 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~7 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (= ~waterLevel~0 1)) .cse5) (or .cse0 .cse2 .cse3 .cse5) (or .cse4 .cse2 (< ~waterLevel~0 2) .cse5) (or .cse1 .cse4 .cse2 .cse3))) [2018-12-02 04:42:17,504 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2018-12-02 04:42:17,505 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-02 04:42:17,505 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,505 INFO L448 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse3 .cse4 .cse2))) [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-02 04:42:17,506 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 04:42:17,506 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2018-12-02 04:42:17,507 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,508 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L451 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-02 04:42:17,508 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-02 04:42:17,508 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-12-02 04:42:17,509 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L448 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (and .cse0 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse1 .cse11 .cse12 .cse3) (or .cse7 .cse1 .cse5 .cse12) (or .cse7 .cse1 .cse10 .cse9) (or .cse1 .cse6 (not (= ~systemActive~0 1)) .cse3 .cse8)))) [2018-12-02 04:42:17,509 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2018-12-02 04:42:17,509 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-12-02 04:42:17,510 INFO L444 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 04:42:17,510 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 04:42:17,510 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 04:42:17,510 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 04:42:17,511 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 04:42:17,511 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2018-12-02 04:42:17,511 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,511 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2018-12-02 04:42:17,512 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2018-12-02 04:42:17,512 INFO L444 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-12-02 04:42:17,512 INFO L448 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2018-12-02 04:42:17,512 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse3 .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-12-02 04:42:17,512 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< ~waterLevel~0 2)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse5)))) [2018-12-02 04:42:17,512 INFO L448 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2018-12-02 04:42:17,512 INFO L444 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 04:42:17,512 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2018-12-02 04:42:17,512 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2018-12-02 04:42:17,513 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2018-12-02 04:42:17,513 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2018-12-02 04:42:17,514 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-12-02 04:42:17,514 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2018-12-02 04:42:17,514 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-12-02 04:42:17,514 INFO L448 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-12-02 04:42:17,514 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2018-12-02 04:42:17,514 INFO L448 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2018-12-02 04:42:17,514 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-12-02 04:42:17,514 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-02 04:42:17,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:42:17 BoogieIcfgContainer [2018-12-02 04:42:17,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:42:17,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:42:17,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:42:17,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:42:17,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:02" (3/4) ... [2018-12-02 04:42:17,527 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 04:42:17,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 04:42:17,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 04:42:17,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 04:42:17,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 04:42:17,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 04:42:17,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 04:42:17,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 04:42:17,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 04:42:17,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 04:42:17,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:42:17,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:42:17,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 04:42:17,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 04:42:17,587 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4d46dfcb-3efc-446c-80d0-0fe147f6acd4/bin-2019/utaipan/witness.graphml [2018-12-02 04:42:17,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:42:17,587 INFO L168 Benchmark]: Toolchain (without parser) took 15452.64 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 627.6 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -267.5 MB). Peak memory consumption was 360.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: CDTParser took 0.11 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 04:42:17,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: Boogie Preprocessor took 21.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: RCFGBuilder took 346.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: TraceAbstraction took 14709.88 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 507.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -158.5 MB). Peak memory consumption was 761.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,588 INFO L168 Benchmark]: Witness Printer took 63.81 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 kB). Peak memory consumption was 43.5 kB. Max. memory is 11.5 GB. [2018-12-02 04:42:17,589 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 346.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14709.88 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 507.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -158.5 MB). Peak memory consumption was 761.6 MB. Max. memory is 11.5 GB. * Witness Printer took 63.81 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 kB). Peak memory consumption was 43.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2293 SDtfs, 1920 SDslu, 9345 SDs, 0 SdLazy, 4022 SolverSat, 679 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 549 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3149occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996780458670062 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 931 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4422 PreInvPairs, 4661 NumberOfFragments, 2482 HoareAnnotationTreeSize, 4422 FomulaSimplifications, 14211 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 25471 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1278 ConstructedInterpolants, 0 QuantifiedInterpolants, 247354 SizeOfPredicates, 7 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 142/152 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...