./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_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_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/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 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:54:58,209 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:54:58,210 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:54:58,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:54:58,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:54:58,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:54:58,217 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:54:58,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:54:58,218 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:54:58,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:54:58,219 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:54:58,219 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:54:58,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:54:58,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:54:58,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:54:58,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:54:58,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:54:58,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:54:58,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:54:58,224 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:54:58,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:54:58,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:54:58,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:54:58,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:54:58,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:54:58,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:54:58,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:54:58,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:54:58,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:54:58,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:54:58,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:54:58,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:54:58,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:54:58,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:54:58,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:54:58,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:54:58,229 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:54:58,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:54:58,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:54:58,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:54:58,237 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:54:58,237 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:54:58,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:54:58,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:54:58,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:54:58,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:54:58,239 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:54:58,239 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_10275b8f-cc4c-4bed-ab4f-e7829045d565/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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-12-02 01:54:58,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:54:58,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:54:58,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:54:58,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:54:58,266 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:54:58,266 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 01:54:58,299 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/data/b97047a9f/12aed0b486764f019f6a285a21d75448/FLAGcf270b860 [2018-12-02 01:54:58,716 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:54:58,717 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 01:54:58,723 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/data/b97047a9f/12aed0b486764f019f6a285a21d75448/FLAGcf270b860 [2018-12-02 01:54:58,731 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/data/b97047a9f/12aed0b486764f019f6a285a21d75448 [2018-12-02 01:54:58,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:54:58,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:54:58,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:54:58,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:54:58,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:54:58,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:58" (1/1) ... [2018-12-02 01:54:58,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:58, skipping insertion in model container [2018-12-02 01:54:58,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:58" (1/1) ... [2018-12-02 01:54:58,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:54:58,763 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:54:58,911 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:54:58,957 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:54:58,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:54:59,015 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:54:59,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59 WrapperNode [2018-12-02 01:54:59,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:54:59,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:54:59,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:54:59,016 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:54:59,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:54:59,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:54:59,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:54:59,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:54:59,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... [2018-12-02 01:54:59,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:54:59,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:54:59,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:54:59,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:54:59,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/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 01:54:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:54:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:54:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:54:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:54:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 01:54:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 01:54:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 01:54:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 01:54:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:54:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:54:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:54:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:54:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:54:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:54:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:54:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:54:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:54:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:54:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:54:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:54:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:54:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:54:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:54:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:54:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:54:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:54:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:54:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:54:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:54:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:54:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:54:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:54:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:54:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:54:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:54:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:54:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:54:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:54:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:54:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:54:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:54:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:54:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:54:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:54:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:54:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:54:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:54:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:54:59,421 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:54:59,422 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:54:59,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:59 BoogieIcfgContainer [2018-12-02 01:54:59,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:54:59,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:54:59,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:54:59,424 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:54:59,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:54:58" (1/3) ... [2018-12-02 01:54:59,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6443f2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:59, skipping insertion in model container [2018-12-02 01:54:59,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:59" (2/3) ... [2018-12-02 01:54:59,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6443f2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:59, skipping insertion in model container [2018-12-02 01:54:59,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:59" (3/3) ... [2018-12-02 01:54:59,426 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 01:54:59,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:54:59,437 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:54:59,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:54:59,464 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:54:59,464 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:54:59,464 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:54:59,464 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:54:59,464 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:54:59,464 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:54:59,464 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:54:59,464 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:54:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-12-02 01:54:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 01:54:59,481 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:54:59,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:54:59,483 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:54:59,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:54:59,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1200213217, now seen corresponding path program 1 times [2018-12-02 01:54:59,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:54:59,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:54:59,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:54:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:54:59,627 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 01:54:59,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:54:59,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:54:59,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:54:59,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:54:59,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:54:59,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:54:59,640 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-12-02 01:54:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:54:59,663 INFO L93 Difference]: Finished difference Result 298 states and 369 transitions. [2018-12-02 01:54:59,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:54:59,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 01:54:59,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:54:59,671 INFO L225 Difference]: With dead ends: 298 [2018-12-02 01:54:59,671 INFO L226 Difference]: Without dead ends: 151 [2018-12-02 01:54:59,673 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 01:54:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-02 01:54:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-02 01:54:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-02 01:54:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-12-02 01:54:59,705 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 51 [2018-12-02 01:54:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:54:59,706 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-12-02 01:54:59,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:54:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-12-02 01:54:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:54:59,707 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:54:59,707 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 01:54:59,708 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:54:59,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:54:59,708 INFO L82 PathProgramCache]: Analyzing trace with hash -240844160, now seen corresponding path program 1 times [2018-12-02 01:54:59,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:54:59,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:54:59,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,709 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:54:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:54:59,764 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 01:54:59,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:54:59,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:54:59,765 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:54:59,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:54:59,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:54:59,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:54:59,766 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-12-02 01:54:59,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:54:59,785 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-12-02 01:54:59,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:54:59,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 01:54:59,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:54:59,788 INFO L225 Difference]: With dead ends: 241 [2018-12-02 01:54:59,788 INFO L226 Difference]: Without dead ends: 142 [2018-12-02 01:54:59,789 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 01:54:59,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-12-02 01:54:59,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-12-02 01:54:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-12-02 01:54:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-12-02 01:54:59,797 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 52 [2018-12-02 01:54:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:54:59,797 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-12-02 01:54:59,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:54:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-12-02 01:54:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 01:54:59,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:54:59,799 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] [2018-12-02 01:54:59,799 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:54:59,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:54:59,799 INFO L82 PathProgramCache]: Analyzing trace with hash 422680117, now seen corresponding path program 1 times [2018-12-02 01:54:59,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:54:59,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:54:59,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:54:59,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:54:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:54:59,882 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 01:54:59,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:54:59,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:54:59,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:54:59,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:54:59,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:54:59,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:54:59,883 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 7 states. [2018-12-02 01:55:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:00,158 INFO L93 Difference]: Finished difference Result 421 states and 510 transitions. [2018-12-02 01:55:00,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:55:00,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 01:55:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:00,161 INFO L225 Difference]: With dead ends: 421 [2018-12-02 01:55:00,161 INFO L226 Difference]: Without dead ends: 307 [2018-12-02 01:55:00,162 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 01:55:00,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-12-02 01:55:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2018-12-02 01:55:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-12-02 01:55:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 362 transitions. [2018-12-02 01:55:00,182 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 362 transitions. Word has length 56 [2018-12-02 01:55:00,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:00,182 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 362 transitions. [2018-12-02 01:55:00,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:55:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 362 transitions. [2018-12-02 01:55:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 01:55:00,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:00,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:00,184 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:00,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:00,184 INFO L82 PathProgramCache]: Analyzing trace with hash 77319119, now seen corresponding path program 1 times [2018-12-02 01:55:00,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:00,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:00,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:00,242 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 01:55:00,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:00,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:55:00,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:00,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:00,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:00,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:55:00,244 INFO L87 Difference]: Start difference. First operand 299 states and 362 transitions. Second operand 6 states. [2018-12-02 01:55:00,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:00,413 INFO L93 Difference]: Finished difference Result 823 states and 1020 transitions. [2018-12-02 01:55:00,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:55:00,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 01:55:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:00,416 INFO L225 Difference]: With dead ends: 823 [2018-12-02 01:55:00,416 INFO L226 Difference]: Without dead ends: 552 [2018-12-02 01:55:00,418 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 01:55:00,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-12-02 01:55:00,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 546. [2018-12-02 01:55:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-12-02 01:55:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 664 transitions. [2018-12-02 01:55:00,466 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 664 transitions. Word has length 62 [2018-12-02 01:55:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:00,466 INFO L480 AbstractCegarLoop]: Abstraction has 546 states and 664 transitions. [2018-12-02 01:55:00,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 664 transitions. [2018-12-02 01:55:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 01:55:00,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:00,469 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:00,469 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:00,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:00,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1043357355, now seen corresponding path program 1 times [2018-12-02 01:55:00,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:00,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:00,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:00,535 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 01:55:00,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:00,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:55:00,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:00,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:55:00,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:55:00,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:55:00,536 INFO L87 Difference]: Start difference. First operand 546 states and 664 transitions. Second operand 7 states. [2018-12-02 01:55:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:00,881 INFO L93 Difference]: Finished difference Result 1389 states and 1810 transitions. [2018-12-02 01:55:00,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:55:00,882 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 01:55:00,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:00,884 INFO L225 Difference]: With dead ends: 1389 [2018-12-02 01:55:00,884 INFO L226 Difference]: Without dead ends: 871 [2018-12-02 01:55:00,886 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 01:55:00,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-12-02 01:55:00,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 775. [2018-12-02 01:55:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-12-02 01:55:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-12-02 01:55:00,917 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 66 [2018-12-02 01:55:00,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:00,917 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-12-02 01:55:00,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:55:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-12-02 01:55:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:55:00,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:00,919 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 01:55:00,920 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:00,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:00,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1726608816, now seen corresponding path program 1 times [2018-12-02 01:55:00,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:00,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:00,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:00,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:00,971 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 01:55:00,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:00,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:55:00,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:00,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:00,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:00,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:55:00,972 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 6 states. [2018-12-02 01:55:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:01,006 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-12-02 01:55:01,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:55:01,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-02 01:55:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:01,009 INFO L225 Difference]: With dead ends: 1550 [2018-12-02 01:55:01,009 INFO L226 Difference]: Without dead ends: 803 [2018-12-02 01:55:01,010 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 01:55:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-12-02 01:55:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 795. [2018-12-02 01:55:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-12-02 01:55:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 959 transitions. [2018-12-02 01:55:01,035 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 959 transitions. Word has length 103 [2018-12-02 01:55:01,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:01,036 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 959 transitions. [2018-12-02 01:55:01,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2018-12-02 01:55:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:55:01,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:01,037 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 01:55:01,037 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:01,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:01,037 INFO L82 PathProgramCache]: Analyzing trace with hash 201663886, now seen corresponding path program 1 times [2018-12-02 01:55:01,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:01,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:01,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:01,101 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 01:55:01,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:01,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:55:01,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:01,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:55:01,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:55:01,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:55:01,102 INFO L87 Difference]: Start difference. First operand 795 states and 959 transitions. Second operand 8 states. [2018-12-02 01:55:01,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:01,150 INFO L93 Difference]: Finished difference Result 1590 states and 1978 transitions. [2018-12-02 01:55:01,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:55:01,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-02 01:55:01,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:01,153 INFO L225 Difference]: With dead ends: 1590 [2018-12-02 01:55:01,153 INFO L226 Difference]: Without dead ends: 823 [2018-12-02 01:55:01,155 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 01:55:01,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-12-02 01:55:01,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 811. [2018-12-02 01:55:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-02 01:55:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-12-02 01:55:01,177 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 103 [2018-12-02 01:55:01,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:01,178 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-12-02 01:55:01,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:55:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-12-02 01:55:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:55:01,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:01,179 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 01:55:01,179 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:01,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:01,179 INFO L82 PathProgramCache]: Analyzing trace with hash -38876243, now seen corresponding path program 1 times [2018-12-02 01:55:01,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:01,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:01,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:01,239 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 01:55:01,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:01,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:55:01,240 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:01,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:55:01,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:55:01,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:55:01,240 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 4 states. [2018-12-02 01:55:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:01,401 INFO L93 Difference]: Finished difference Result 2557 states and 3226 transitions. [2018-12-02 01:55:01,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:55:01,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-02 01:55:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:01,408 INFO L225 Difference]: With dead ends: 2557 [2018-12-02 01:55:01,409 INFO L226 Difference]: Without dead ends: 1774 [2018-12-02 01:55:01,411 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 01:55:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-12-02 01:55:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-12-02 01:55:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-12-02 01:55:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-12-02 01:55:01,473 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 103 [2018-12-02 01:55:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:01,473 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-12-02 01:55:01,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:55:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-12-02 01:55:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 01:55:01,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:01,476 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:01,476 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:01,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:01,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1131627277, now seen corresponding path program 1 times [2018-12-02 01:55:01,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:01,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:01,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:01,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:01,575 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 01:55:01,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:01,576 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:01,576 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-12-02 01:55:01,577 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [54], [55], [56], [71], [74], [76], [85], [89], [93], [96], [101], [104], [109], [112], [128], [129], [132], [134], [137], [139], [142], [145], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [223], [227], [241], [245], [248], [250], [253], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [288], [289], [290], [292], [293], [300], [301], [302], [303], [304], [305], [308], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [330], [331], [332], [334], [335], [336], [338], [339], [340], [341] [2018-12-02 01:55:01,601 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:01,601 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:01,867 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:55:01,868 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-02 01:55:01,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:01,873 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:55:02,067 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.69% of their original sizes. [2018-12-02 01:55:02,067 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:55:02,169 INFO L418 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-12-02 01:55:02,169 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:55:02,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:55:02,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-12-02 01:55:02,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:02,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 01:55:02,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 01:55:02,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:55:02,170 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 19 states. [2018-12-02 01:55:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:06,955 INFO L93 Difference]: Finished difference Result 4336 states and 5367 transitions. [2018-12-02 01:55:06,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-02 01:55:06,956 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-02 01:55:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:06,962 INFO L225 Difference]: With dead ends: 4336 [2018-12-02 01:55:06,962 INFO L226 Difference]: Without dead ends: 2621 [2018-12-02 01:55:06,965 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-12-02 01:55:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2018-12-02 01:55:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2606. [2018-12-02 01:55:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2606 states. [2018-12-02 01:55:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3143 transitions. [2018-12-02 01:55:07,031 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3143 transitions. Word has length 107 [2018-12-02 01:55:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:07,032 INFO L480 AbstractCegarLoop]: Abstraction has 2606 states and 3143 transitions. [2018-12-02 01:55:07,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 01:55:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3143 transitions. [2018-12-02 01:55:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 01:55:07,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:07,035 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-02 01:55:07,035 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:07,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:07,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1900875134, now seen corresponding path program 1 times [2018-12-02 01:55:07,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:07,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:07,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 01:55:07,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:07,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:55:07,077 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:07,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:55:07,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:55:07,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:55:07,078 INFO L87 Difference]: Start difference. First operand 2606 states and 3143 transitions. Second operand 3 states. [2018-12-02 01:55:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:07,140 INFO L93 Difference]: Finished difference Result 3041 states and 3672 transitions. [2018-12-02 01:55:07,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:55:07,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-12-02 01:55:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:07,145 INFO L225 Difference]: With dead ends: 3041 [2018-12-02 01:55:07,145 INFO L226 Difference]: Without dead ends: 1174 [2018-12-02 01:55:07,147 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 01:55:07,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2018-12-02 01:55:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2018-12-02 01:55:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2018-12-02 01:55:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1376 transitions. [2018-12-02 01:55:07,177 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1376 transitions. Word has length 136 [2018-12-02 01:55:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:07,177 INFO L480 AbstractCegarLoop]: Abstraction has 1174 states and 1376 transitions. [2018-12-02 01:55:07,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:55:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1376 transitions. [2018-12-02 01:55:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 01:55:07,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:07,179 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:07,179 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:07,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:07,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1843334848, now seen corresponding path program 1 times [2018-12-02 01:55:07,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:07,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:07,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 01:55:07,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:07,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:55:07,232 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:07,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:55:07,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:55:07,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:55:07,233 INFO L87 Difference]: Start difference. First operand 1174 states and 1376 transitions. Second operand 3 states. [2018-12-02 01:55:07,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:07,266 INFO L93 Difference]: Finished difference Result 1651 states and 1996 transitions. [2018-12-02 01:55:07,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:55:07,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-02 01:55:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:07,273 INFO L225 Difference]: With dead ends: 1651 [2018-12-02 01:55:07,273 INFO L226 Difference]: Without dead ends: 1648 [2018-12-02 01:55:07,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 01:55:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2018-12-02 01:55:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1597. [2018-12-02 01:55:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2018-12-02 01:55:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1932 transitions. [2018-12-02 01:55:07,319 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1932 transitions. Word has length 160 [2018-12-02 01:55:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:07,319 INFO L480 AbstractCegarLoop]: Abstraction has 1597 states and 1932 transitions. [2018-12-02 01:55:07,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:55:07,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1932 transitions. [2018-12-02 01:55:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 01:55:07,322 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:07,322 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:07,322 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:07,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:07,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1507278449, now seen corresponding path program 1 times [2018-12-02 01:55:07,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:07,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:07,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:07,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 47 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 01:55:07,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:07,432 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:07,433 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-02 01:55:07,433 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [240], [241], [245], [248], [250], [253], [260], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345] [2018-12-02 01:55:07,436 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:07,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:09,187 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:55:09,188 INFO L272 AbstractInterpreter]: Visited 138 different actions 1407 times. Merged at 22 different actions 147 times. Widened at 1 different actions 1 times. Performed 47914 root evaluator evaluations with a maximum evaluation depth of 5. Performed 47914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 39 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-02 01:55:09,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:09,190 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:55:09,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:09,191 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/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 01:55:09,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:09,197 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:55:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:09,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 01:55:09,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 01:55:09,781 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:55:09,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-12-02 01:55:09,781 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:55:09,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 01:55:09,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 01:55:09,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-12-02 01:55:09,783 INFO L87 Difference]: Start difference. First operand 1597 states and 1932 transitions. Second operand 16 states. [2018-12-02 01:55:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:11,250 INFO L93 Difference]: Finished difference Result 4486 states and 6383 transitions. [2018-12-02 01:55:11,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-02 01:55:11,251 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 220 [2018-12-02 01:55:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:11,259 INFO L225 Difference]: With dead ends: 4486 [2018-12-02 01:55:11,259 INFO L226 Difference]: Without dead ends: 3313 [2018-12-02 01:55:11,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 01:55:11,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2018-12-02 01:55:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 2739. [2018-12-02 01:55:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2739 states. [2018-12-02 01:55:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3334 transitions. [2018-12-02 01:55:11,353 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3334 transitions. Word has length 220 [2018-12-02 01:55:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:11,354 INFO L480 AbstractCegarLoop]: Abstraction has 2739 states and 3334 transitions. [2018-12-02 01:55:11,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 01:55:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3334 transitions. [2018-12-02 01:55:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 01:55:11,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:11,359 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:11,359 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:11,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:11,359 INFO L82 PathProgramCache]: Analyzing trace with hash 623769459, now seen corresponding path program 1 times [2018-12-02 01:55:11,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:11,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:11,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:11,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:11,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 01:55:11,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:11,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:11,429 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-02 01:55:11,429 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [240], [241], [245], [248], [250], [253], [260], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345] [2018-12-02 01:55:11,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:11,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:13,156 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:55:13,156 INFO L272 AbstractInterpreter]: Visited 139 different actions 1420 times. Merged at 29 different actions 159 times. Never widened. Performed 46272 root evaluator evaluations with a maximum evaluation depth of 5. Performed 46272 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 42 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-02 01:55:13,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:13,158 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:55:13,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:13,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:55:13,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:13,164 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:55:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:13,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 01:55:13,314 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 01:55:13,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:55:13,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-02 01:55:13,486 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:13,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:13,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:13,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:55:13,487 INFO L87 Difference]: Start difference. First operand 2739 states and 3334 transitions. Second operand 6 states. [2018-12-02 01:55:13,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:13,544 INFO L93 Difference]: Finished difference Result 3707 states and 4495 transitions. [2018-12-02 01:55:13,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:55:13,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 220 [2018-12-02 01:55:13,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:13,548 INFO L225 Difference]: With dead ends: 3707 [2018-12-02 01:55:13,548 INFO L226 Difference]: Without dead ends: 1500 [2018-12-02 01:55:13,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 01:55:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2018-12-02 01:55:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1496. [2018-12-02 01:55:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2018-12-02 01:55:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1734 transitions. [2018-12-02 01:55:13,616 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1734 transitions. Word has length 220 [2018-12-02 01:55:13,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:13,616 INFO L480 AbstractCegarLoop]: Abstraction has 1496 states and 1734 transitions. [2018-12-02 01:55:13,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1734 transitions. [2018-12-02 01:55:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 01:55:13,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:13,620 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 01:55:13,620 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:13,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:13,620 INFO L82 PathProgramCache]: Analyzing trace with hash -821253381, now seen corresponding path program 2 times [2018-12-02 01:55:13,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:13,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:13,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:13,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:13,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 01:55:13,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:13,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:13,692 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 01:55:13,692 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 01:55:13,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:13,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:55:13,699 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 01:55:13,699 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 01:55:13,784 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-02 01:55:13,784 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 01:55:13,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 01:55:13,877 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 01:55:14,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:55:14,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 10] total 23 [2018-12-02 01:55:14,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:14,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:55:14,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:55:14,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-12-02 01:55:14,178 INFO L87 Difference]: Start difference. First operand 1496 states and 1734 transitions. Second operand 9 states. [2018-12-02 01:55:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:14,688 INFO L93 Difference]: Finished difference Result 2571 states and 3197 transitions. [2018-12-02 01:55:14,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 01:55:14,688 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 237 [2018-12-02 01:55:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:14,692 INFO L225 Difference]: With dead ends: 2571 [2018-12-02 01:55:14,692 INFO L226 Difference]: Without dead ends: 1507 [2018-12-02 01:55:14,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2018-12-02 01:55:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-12-02 01:55:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1240. [2018-12-02 01:55:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-12-02 01:55:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1425 transitions. [2018-12-02 01:55:14,751 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1425 transitions. Word has length 237 [2018-12-02 01:55:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:14,752 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1425 transitions. [2018-12-02 01:55:14,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:55:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1425 transitions. [2018-12-02 01:55:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-12-02 01:55:14,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:14,755 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 01:55:14,755 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:14,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:14,756 INFO L82 PathProgramCache]: Analyzing trace with hash 770174290, now seen corresponding path program 1 times [2018-12-02 01:55:14,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:14,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:14,756 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 01:55:14,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:14,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 78 proven. 14 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-02 01:55:14,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:14,852 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:14,852 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-12-02 01:55:14,853 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [36], [38], [39], [40], [44], [46], [47], [48], [49], [50], [54], [55], [56], [59], [61], [64], [71], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [240], [241], [245], [248], [250], [253], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341] [2018-12-02 01:55:14,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:14,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:16,578 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:55:16,578 INFO L272 AbstractInterpreter]: Visited 136 different actions 1288 times. Merged at 22 different actions 150 times. Widened at 1 different actions 1 times. Performed 49270 root evaluator evaluations with a maximum evaluation depth of 5. Performed 49270 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 38 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-02 01:55:16,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:16,579 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:55:16,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:16,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:55:16,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:16,586 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:55:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:16,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 01:55:16,749 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 78 proven. 14 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-02 01:55:17,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:55:17,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-12-02 01:55:17,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:17,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:17,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:17,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:55:17,077 INFO L87 Difference]: Start difference. First operand 1240 states and 1425 transitions. Second operand 6 states. [2018-12-02 01:55:17,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:17,193 INFO L93 Difference]: Finished difference Result 2391 states and 2792 transitions. [2018-12-02 01:55:17,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:55:17,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 299 [2018-12-02 01:55:17,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:17,196 INFO L225 Difference]: With dead ends: 2391 [2018-12-02 01:55:17,196 INFO L226 Difference]: Without dead ends: 1238 [2018-12-02 01:55:17,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 587 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:55:17,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-12-02 01:55:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1222. [2018-12-02 01:55:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-12-02 01:55:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1384 transitions. [2018-12-02 01:55:17,231 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1384 transitions. Word has length 299 [2018-12-02 01:55:17,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:17,231 INFO L480 AbstractCegarLoop]: Abstraction has 1222 states and 1384 transitions. [2018-12-02 01:55:17,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1384 transitions. [2018-12-02 01:55:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-02 01:55:17,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:17,234 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:17,234 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:17,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1975183913, now seen corresponding path program 1 times [2018-12-02 01:55:17,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:17,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:17,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:17,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:17,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 53 proven. 24 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-02 01:55:17,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:17,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:17,306 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-12-02 01:55:17,306 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [54], [55], [56], [71], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [240], [241], [245], [248], [250], [253], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [288], [289], [290], [292], [293], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341] [2018-12-02 01:55:17,307 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:17,307 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:18,530 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:55:18,531 INFO L272 AbstractInterpreter]: Visited 118 different actions 1080 times. Merged at 20 different actions 119 times. Never widened. Performed 35869 root evaluator evaluations with a maximum evaluation depth of 3. Performed 35869 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 28 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-02 01:55:18,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:18,532 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:55:18,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:18,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:55:18,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:18,538 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:55:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:18,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 01:55:18,703 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 57 proven. 18 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 01:55:19,075 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:55:19,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 21 [2018-12-02 01:55:19,075 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:55:19,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 01:55:19,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 01:55:19,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2018-12-02 01:55:19,076 INFO L87 Difference]: Start difference. First operand 1222 states and 1384 transitions. Second operand 16 states. [2018-12-02 01:55:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:19,904 INFO L93 Difference]: Finished difference Result 1964 states and 2315 transitions. [2018-12-02 01:55:19,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-02 01:55:19,904 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 250 [2018-12-02 01:55:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:19,905 INFO L225 Difference]: With dead ends: 1964 [2018-12-02 01:55:19,905 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:55:19,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 498 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=365, Invalid=1357, Unknown=0, NotChecked=0, Total=1722 [2018-12-02 01:55:19,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:55:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:55:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:55:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:55:19,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2018-12-02 01:55:19,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:19,908 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:55:19,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 01:55:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:55:19,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:55:19,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:55:20,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:20,948 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 43 [2018-12-02 01:55:21,202 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 52 [2018-12-02 01:55:21,418 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-12-02 01:55:21,926 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 68 [2018-12-02 01:55:22,042 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2018-12-02 01:55:22,261 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2018-12-02 01:55:22,447 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-12-02 01:55:22,757 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 62 [2018-12-02 01:55:22,911 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2018-12-02 01:55:23,080 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 43 [2018-12-02 01:55:23,315 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 50 [2018-12-02 01:55:23,608 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 52 [2018-12-02 01:55:23,859 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 47 [2018-12-02 01:55:24,028 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-12-02 01:55:24,417 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 54 [2018-12-02 01:55:24,526 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2018-12-02 01:55:25,178 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2018-12-02 01:55:25,306 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-12-02 01:55:25,411 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2018-12-02 01:55:25,671 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2018-12-02 01:55:25,839 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2018-12-02 01:55:25,961 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2018-12-02 01:55:26,194 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-12-02 01:55:26,196 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 518 524) the Hoare annotation is: true [2018-12-02 01:55:26,196 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 518 524) no Hoare annotation was computed. [2018-12-02 01:55:26,196 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 525 533) no Hoare annotation was computed. [2018-12-02 01:55:26,196 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 525 533) the Hoare annotation is: true [2018-12-02 01:55:26,196 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 525 533) no Hoare annotation was computed. [2018-12-02 01:55:26,196 INFO L444 ceAbstractionStarter]: At program point L482-1(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,196 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 476 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,196 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 476 498) no Hoare annotation was computed. [2018-12-02 01:55:26,196 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 476 498) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point L488-1(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 486 493) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point L483(line 483) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point L482(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))) (or (= ~systemActive~0 0) (not (= |old(~systemActive~0)| 0)) .cse0))) [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L451 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-12-02 01:55:26,197 INFO L448 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 511 517) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 511 517) the Hoare annotation is: true [2018-12-02 01:55:26,198 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,198 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L451 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 981 994) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 981 994) the Hoare annotation is: true [2018-12-02 01:55:26,198 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 981 994) no Hoare annotation was computed. [2018-12-02 01:55:26,198 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< ~waterLevel~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 .cse7 .cse8 .cse2 .cse9 .cse5) (or .cse0 .cse6 .cse9 .cse7 .cse8 .cse2) (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 122 146) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 122 146) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 (or .cse2 (< ~waterLevel~0 2) .cse4 .cse6) (< 2 ~waterLevel~0) .cse5) (or .cse1 .cse3 .cse7 .cse4 .cse5 .cse8) (or .cse2 .cse5 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse8) (or (or .cse2 .cse4 .cse6 .cse8 (not (= ~waterLevel~0 2))) .cse5) (or .cse0 .cse1 .cse5 .cse3 .cse7 .cse4))) [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse7 .cse4 .cse8) (or .cse0 (or .cse2 (< ~waterLevel~0 2) .cse4 .cse6) (< 2 ~waterLevel~0) .cse5) (or .cse2 .cse5 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse8) (or (or .cse2 .cse4 .cse6 .cse8 (not (= ~waterLevel~0 2))) .cse5) (or .cse0 .cse1 .cse3 .cse7 .cse4))) [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 122 146) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 .cse7 .cse8 .cse2 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse2) (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (and (<= 1 processEnvironment_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse8 .cse9) (or .cse7 .cse3 .cse8 .cse9 .cse5) (or .cse6 .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse7 .cse3 .cse9 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 (or .cse7 (< ~waterLevel~0 2) .cse3 .cse9) (< 2 ~waterLevel~0)))) [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2018-12-02 01:55:26,199 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 294 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point L349(lines 304 351) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) .cse6 .cse2) (and .cse6 .cse0 .cse3 .cse1 .cse2 .cse7 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) .cse1 (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2 .cse7) (and .cse8 .cse6 .cse0 .cse1 .cse2 .cse7 .cse5) (and .cse4 (and .cse8 .cse0 .cse1 .cse7 .cse2) .cse5) (and .cse6 .cse3 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse7) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:26,199 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 1)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse2 .cse3 (and .cse0 .cse4 .cse1 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse7 .cse2 .cse4 .cse1 .cse5) .cse8 .cse6) (and (= ~methaneLevelCritical~0 0) .cse4 (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1 .cse5) (and .cse3 (and .cse2 .cse4 .cse1) .cse8 .cse6) (and .cse0 .cse3 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse4 .cse1 .cse5) (and .cse7 .cse0 .cse2 .cse4 .cse1 .cse5 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:26,199 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 294 359) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L444 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:26,200 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L444 ceAbstractionStarter]: At program point L340-1(lines 334 347) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) .cse0 (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and (and .cse5 .cse6 .cse0 .cse1) .cse7 .cse8) (and (and .cse6 .cse0 .cse1) .cse4 .cse7 .cse8) (and (and .cse5 .cse6 .cse3 .cse0 .cse1 .cse2) .cse8) (and (= ~systemActive~0 0) .cse3 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 (and .cse6 .cse3 .cse0 .cse1 .cse2) .cse8) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) .cse6 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and .cse0 (and .cse6 .cse1 .cse2 .cse7)) .cse3) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) .cse2 .cse7 .cse5) (and .cse4 (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse7 .cse2) .cse5) (and .cse6 .cse3 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse7) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 294 359) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 147 154) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4 .cse5) (or .cse4 (< ~methaneLevelCritical~0 1) .cse1 .cse0 .cse3 .cse2 .cse5))) [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 147 154) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 147 154) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 995 1003) no Hoare annotation was computed. [2018-12-02 01:55:26,200 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 995 1003) the Hoare annotation is: true [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 995 1003) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~waterLevel~0 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse11 (or .cse4 .cse7)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (< ~waterLevel~0 1)) (.cse12 (or .cse1 .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse8 (or .cse1 .cse4 .cse7) .cse9) (or .cse10 .cse11) (or .cse10 .cse4 .cse5) (or .cse10 .cse12) (or .cse2 .cse3 .cse6 .cse11) (or .cse1 (not (= ~systemActive~0 0))) (or .cse0 .cse8 .cse9 .cse12)))) [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 1))) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 1 ~waterLevel~0)) (.cse13 (< ~waterLevel~0 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse9 (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~6)) (.cse14 (not (= ~waterLevel~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse15 (or .cse8 .cse11))) (and (or .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 (and .cse9 .cse10) .cse3) (or .cse0 .cse1 .cse10 .cse5 .cse6 .cse8 .cse3) (or .cse1 .cse5 .cse6 .cse8 .cse3 .cse11) (or .cse12 (or .cse1 .cse8 .cse11) .cse13) (or .cse14 .cse15) (or .cse10 .cse4 .cse1 .cse8 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 .cse12 .cse9 .cse13 (or .cse1 .cse8)) (or .cse4 .cse1 .cse5 .cse6 .cse8 .cse9 .cse3) (or .cse14 .cse8 .cse3 .cse10) (or .cse1 .cse2 .cse11) (or .cse5 .cse6 .cse7 .cse15)))) [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~systemActive~0 0)) (= ~methAndRunningLastTime~0 0) .cse1) (or (not (= ~waterLevel~0 0)) .cse2 .cse1 .cse3) (or .cse4 .cse0 .cse3 .cse2 .cse5 .cse1) (or .cse0 .cse3 .cse2 .cse1 .cse5 .cse6) (or .cse3 .cse4 .cse0 .cse7 .cse8 .cse2 .cse1) (or .cse4 .cse7 .cse8 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~systemActive~0 0)) (= ~methAndRunningLastTime~0 0) .cse1) (or (not (= ~waterLevel~0 0)) .cse2 .cse1 .cse3) (or .cse4 .cse0 .cse3 .cse2 .cse5 .cse1) (or .cse0 .cse3 .cse2 .cse1 .cse5 .cse6) (or .cse3 .cse4 .cse0 .cse7 .cse8 .cse2 .cse1) (or .cse4 .cse7 .cse8 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:55:26,201 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 (not (= ~waterLevel~0 2))) (or .cse3 (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2))) [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 156 172) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 156 172) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 (not (= ~waterLevel~0 2))) (or .cse3 (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2))) [2018-12-02 01:55:26,202 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 156 172) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 928 939) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse9 (not (= 1 ~pumpRunning~0))) (.cse13 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse12 (not (= ~systemActive~0 0))) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse10 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse15 (not (= ~waterLevel~0 2))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (< 2 ~waterLevel~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse8 .cse9 .cse3 .cse5 .cse10) (or .cse2 .cse11 .cse3 .cse5 .cse4 .cse10) (or .cse2 .cse12 .cse6 .cse10) (or .cse1 .cse0 .cse7 .cse8 .cse9 .cse3) (or .cse13 .cse2 .cse14 .cse3 .cse5 .cse15) (or .cse13 .cse2 .cse12 .cse14 .cse5) (or (or .cse2 .cse3 .cse5 .cse10 .cse15) .cse11) (or (or .cse1 .cse2 .cse8 .cse3 .cse5) .cse0 .cse7))) [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 928 939) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 928 939) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2018-12-02 01:55:26,202 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 940 948) the Hoare annotation is: true [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 940 948) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 940 948) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (let ((.cse18 (= |old(~waterLevel~0)| 1)) (.cse14 (= 1 ~waterLevel~0)) (.cse19 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (and .cse19 .cse12 .cse7)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse17 (and .cse14 .cse12 .cse7)) (.cse13 (not .cse18)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse10 (and .cse19 .cse7)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse1 .cse8) (or .cse9 .cse1 .cse8 (= ~methAndRunningLastTime~0 0) .cse4) (or .cse0 .cse10 .cse6 .cse2 .cse11 .cse3) (or .cse0 .cse6 .cse2 .cse11 .cse3 .cse12 .cse4) (or .cse1 .cse8 .cse13 .cse14) (or (or .cse1 .cse3 .cse4 .cse15 .cse16) .cse5) (or .cse0 .cse1 .cse17 .cse3 .cse13 .cse4) (or .cse1 .cse17 .cse3 .cse4 .cse13 .cse15) (or .cse9 .cse1 .cse8 (= ~waterLevel~0 2) .cse4 .cse16) (or .cse10 .cse6 .cse2 .cse11 .cse3 .cse15) (or .cse12 .cse6 .cse2 .cse11 .cse3 .cse4 .cse15) (or (not (= ~waterLevel~0 1)) .cse18 .cse1 .cse8)))) [2018-12-02 01:55:26,203 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse12 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse11 .cse13)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= 1 ~waterLevel~0) .cse11 .cse13)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse13)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) (or .cse11 .cse8 .cse9 .cse10 .cse2 .cse3 .cse5) (or .cse0 (not (= ~systemActive~0 0))) (or .cse6 .cse11 .cse8 .cse9 .cse10 .cse2 .cse3) (or (or .cse0 .cse2 .cse3 .cse5 (not (= |old(~waterLevel~0)| 2))) .cse12) (or .cse6 (or .cse0 .cse9 .cse2 .cse3) .cse8 .cse12) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse8 .cse9 .cse10 .cse2 .cse7 .cse5)))) [2018-12-02 01:55:26,203 INFO L444 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse19 (= |old(~waterLevel~0)| 1)) (.cse17 (= 1 ~waterLevel~0)) (.cse20 (= 0 ~methAndRunningLastTime~0)) (.cse16 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse15 (not (= ~systemActive~0 0))) (.cse12 (and .cse17 .cse20 .cse16)) (.cse13 (not .cse19)) (.cse11 (and .cse10 .cse20 .cse16)) (.cse18 (< ~methaneLevelCritical~0 1)) (.cse9 (= ~pumpRunning~0 1)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse4 .cse7 .cse5 .cse8) (and .cse9 .cse10) .cse11) (or .cse6 .cse12 .cse4 .cse7 .cse13 .cse5) (or .cse14 .cse6 .cse15 (= ~waterLevel~0 2) .cse7 .cse8) (or .cse16 .cse6 .cse15) (or .cse14 .cse6 .cse15 (= ~methAndRunningLastTime~0 0) .cse7) (or .cse11 (or .cse14 .cse6 .cse4 .cse7 .cse8)) (or .cse6 .cse15 .cse13 .cse17) (or .cse18 .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse19 .cse6 .cse15) (or .cse18 .cse6 .cse12 .cse4 .cse13 .cse7) (or .cse11 .cse18 (and .cse9 .cse10 .cse20) (or .cse6 .cse2 .cse4 .cse7) .cse1)))) [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2018-12-02 01:55:26,203 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse0 .cse2 .cse9 .cse3 .cse5) (or .cse6 (or .cse1 .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse3 .cse7 .cse4 .cse5) (or .cse1 (not (= ~systemActive~0 0))) (or .cse0 .cse2 .cse9 .cse3 .cse4 .cse5 .cse10) (or .cse6 .cse10 .cse0 .cse2 .cse9 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse9 .cse8 .cse3))) [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point L68(lines 67 86) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse0 .cse2 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 01:55:26,204 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 (< ~waterLevel~0 1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4 .cse3) (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0) .cse3) (or .cse1 .cse3 .cse2 .cse4 (not (= ~waterLevel~0 1)) .cse6) (or (or .cse1 .cse2 .cse4 .cse6 (not (= ~waterLevel~0 2))) .cse3) (or .cse5 .cse3 .cse2 .cse6))) [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse1 .cse2 .cse4 .cse7 (not (= ~waterLevel~0 2))) (or .cse5 .cse6 .cse2 .cse7) (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-12-02 01:55:26,204 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse11 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< ~waterLevel~0 2)) (.cse1 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1))) (.cse0 (and .cse11 .cse12)) (.cse9 (not (= ~waterLevel~0 0))) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (and (= 0 ~pumpRunning~0) .cse11 .cse12)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5 .cse6)) (or .cse0 .cse2 .cse4 .cse7 .cse5 .cse6) (or .cse8 (or .cse2 .cse3 .cse4 .cse5) .cse0 .cse1) (or .cse9 .cse4 .cse6 .cse10) (or .cse8 .cse2 .cse4 .cse7 .cse5 .cse0) (or .cse9 .cse4 .cse10 .cse5)))) [2018-12-02 01:55:26,204 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< ~waterLevel~0 2)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (< 2 ~waterLevel~0)) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse7 .cse8 (or .cse4 .cse9 .cse1 .cse2 .cse6)) (or .cse7 .cse3 (or .cse4 .cse9 .cse1 .cse2) .cse8) (or .cse0 .cse1 .cse6))) [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (and (= 0 ~pumpRunning~0) .cse3)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 (< ~waterLevel~0 1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7) (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0) .cse3) (or .cse1 .cse3 .cse2 .cse4 (not (= ~waterLevel~0 1)) .cse7) (or (or .cse1 .cse2 .cse4 .cse7 (not (= ~waterLevel~0 2))) .cse3) (or .cse5 .cse6 .cse2 .cse4)))) [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 916 927) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 916 927) the Hoare annotation is: (let ((.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse11 (not (= ~systemActive~0 1)))) (let ((.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse13 (not (= 1 ~pumpRunning~0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse9 (or .cse2 .cse11)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (or .cse2 .cse11 .cse14)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse1) (or .cse8 .cse5 .cse7 .cse9 .cse4 .cse1) (or .cse8 .cse10 .cse11 .cse12 .cse13 .cse4) (or .cse10 .cse12 .cse13 (or .cse11 .cse14) .cse1 .cse4) (or .cse8 .cse10 .cse4 .cse9 .cse12 .cse1) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse4 .cse6 .cse1 .cse3)))) [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 01:55:26,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:55:26,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:55:26 BoogieIcfgContainer [2018-12-02 01:55:26,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:55:26,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:55:26,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:55:26,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:55:26,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:59" (3/4) ... [2018-12-02 01:55:26,220 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:55:26,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:55:26,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:55:26,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:55:26,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:55:26,231 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 01:55:26,231 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 01:55:26,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:55:26,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:55:26,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:55:26,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:55:26,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && pumpRunning == 1) && waterLevel <= \old(waterLevel) + 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || ((((((0 == pumpRunning && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((((methaneLevelCritical == 0 && systemActive == 1) && 1 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == pumpRunning) && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || ((pumpRunning == 1 && (((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:55:26,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:55:26,282 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_10275b8f-cc4c-4bed-ab4f-e7829045d565/bin-2019/utaipan/witness.graphml [2018-12-02 01:55:26,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:55:26,283 INFO L168 Benchmark]: Toolchain (without parser) took 27549.41 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 947.0 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 433.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:26,283 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:55:26,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:26,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.31 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 01:55:26,283 INFO L168 Benchmark]: Boogie Preprocessor took 26.26 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 01:55:26,284 INFO L168 Benchmark]: RCFGBuilder took 356.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:26,284 INFO L168 Benchmark]: TraceAbstraction took 26793.55 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-02 01:55:26,284 INFO L168 Benchmark]: Witness Printer took 66.13 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:26,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.31 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 26.26 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 356.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26793.55 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 66.13 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((((((((((((((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && pumpRunning == 1) && waterLevel <= \old(waterLevel) + 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || ((((((0 == pumpRunning && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((((methaneLevelCritical == 0 && systemActive == 1) && 1 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == pumpRunning) && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || ((pumpRunning == 1 && (((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 164 locations, 1 error locations. SAFE Result, 26.7s OverallTime, 16 OverallIterations, 7 TraceHistogramMax, 9.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3351 SDtfs, 3404 SDslu, 9946 SDs, 0 SdLazy, 7638 SolverSat, 1518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2782 GetRequests, 2549 SyntacticMatches, 24 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2739occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.7s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9969494282956289 AbsIntWeakeningRatio, 1.0377358490566038 AbsIntAvgWeakeningVarsNumRemoved, 84.27358490566037 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 5999 PreInvPairs, 6343 NumberOfFragments, 5246 HoareAnnotationTreeSize, 5999 FomulaSimplifications, 26167 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 39125 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3451 NumberOfCodeBlocks, 3360 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4651 ConstructedInterpolants, 0 QuantifiedInterpolants, 1450327 SizeOfPredicates, 24 NumberOfNonLiveVariables, 5402 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 26 InterpolantComputations, 13 PerfectInterpolantSequences, 2725/2897 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...