./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_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_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/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 730b837dafcd2995b5acc94906fc5437a0c170a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:27:40,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:27:40,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:27:40,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:27:40,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:27:40,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:27:40,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:27:40,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:27:40,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:27:40,394 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:27:40,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:27:40,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:27:40,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:27:40,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:27:40,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:27:40,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:27:40,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:27:40,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:27:40,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:27:40,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:27:40,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:27:40,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:27:40,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:27:40,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:27:40,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:27:40,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:27:40,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:27:40,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:27:40,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:27:40,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:27:40,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:27:40,404 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:27:40,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:27:40,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:27:40,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:27:40,405 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:27:40,405 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:27:40,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:27:40,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:27:40,413 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:27:40,413 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:27:40,413 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:27:40,414 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:27:40,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:27:40,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:27:40,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:27:40,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:27:40,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:27:40,416 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:27:40,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:27:40,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:27:40,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:27:40,416 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_eb5efbd1-c378-44b3-9071-40ce84ba4c92/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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2018-12-02 06:27:40,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:27:40,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:27:40,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:27:40,443 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:27:40,443 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:27:40,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-02 06:27:40,480 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/data/1b689d956/a735babc8c72460d9e1834a13df334ab/FLAG36adf6ab9 [2018-12-02 06:27:40,885 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:27:40,885 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-02 06:27:40,891 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/data/1b689d956/a735babc8c72460d9e1834a13df334ab/FLAG36adf6ab9 [2018-12-02 06:27:40,899 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/data/1b689d956/a735babc8c72460d9e1834a13df334ab [2018-12-02 06:27:40,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:27:40,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:27:40,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:27:40,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:27:40,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:27:40,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:40" (1/1) ... [2018-12-02 06:27:40,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:40, skipping insertion in model container [2018-12-02 06:27:40,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:40" (1/1) ... [2018-12-02 06:27:40,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:27:40,942 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:27:41,100 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:27:41,140 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:27:41,190 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:27:41,205 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:27:41,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41 WrapperNode [2018-12-02 06:27:41,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:27:41,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:27:41,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:27:41,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:27:41,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:27:41,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:27:41,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:27:41,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:27:41,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... [2018-12-02 06:27:41,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:27:41,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:27:41,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:27:41,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:27:41,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/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 06:27:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 06:27:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 06:27:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:27:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:27:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 06:27:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 06:27:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 06:27:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 06:27:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:27:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 06:27:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 06:27:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 06:27:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 06:27:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:27:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:27:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:27:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 06:27:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 06:27:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:27:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:27:41,570 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:27:41,570 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 06:27:41,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:41 BoogieIcfgContainer [2018-12-02 06:27:41,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:27:41,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:27:41,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:27:41,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:27:41,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:27:40" (1/3) ... [2018-12-02 06:27:41,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3884a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:41, skipping insertion in model container [2018-12-02 06:27:41,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:41" (2/3) ... [2018-12-02 06:27:41,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3884a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:41, skipping insertion in model container [2018-12-02 06:27:41,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:41" (3/3) ... [2018-12-02 06:27:41,575 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-02 06:27:41,581 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:27:41,586 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:27:41,596 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:27:41,614 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:27:41,614 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:27:41,614 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:27:41,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:27:41,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:27:41,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:27:41,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:27:41,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:27:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-12-02 06:27:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 06:27:41,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:41,632 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 06:27:41,634 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:41,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:41,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1663289692, now seen corresponding path program 1 times [2018-12-02 06:27:41,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:41,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:41,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:41,780 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 06:27:41,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:41,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:27:41,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:41,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:27:41,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:27:41,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:27:41,794 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-12-02 06:27:41,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:41,817 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2018-12-02 06:27:41,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:27:41,818 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 06:27:41,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:41,825 INFO L225 Difference]: With dead ends: 312 [2018-12-02 06:27:41,825 INFO L226 Difference]: Without dead ends: 158 [2018-12-02 06:27:41,827 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 06:27:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-12-02 06:27:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-12-02 06:27:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-12-02 06:27:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2018-12-02 06:27:41,860 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2018-12-02 06:27:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:41,860 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2018-12-02 06:27:41,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:27:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2018-12-02 06:27:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 06:27:41,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:41,862 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 06:27:41,862 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:41,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:41,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1634703477, now seen corresponding path program 1 times [2018-12-02 06:27:41,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:41,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:41,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:41,919 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 06:27:41,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:41,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:27:41,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:41,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:27:41,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:27:41,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:27:41,922 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2018-12-02 06:27:41,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:41,942 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-12-02 06:27:41,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:27:41,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 06:27:41,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:41,944 INFO L225 Difference]: With dead ends: 251 [2018-12-02 06:27:41,944 INFO L226 Difference]: Without dead ends: 149 [2018-12-02 06:27:41,945 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 06:27:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-02 06:27:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-02 06:27:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-02 06:27:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2018-12-02 06:27:41,958 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2018-12-02 06:27:41,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:41,958 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2018-12-02 06:27:41,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:27:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2018-12-02 06:27:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 06:27:41,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:41,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:41,960 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:41,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:41,960 INFO L82 PathProgramCache]: Analyzing trace with hash -765868889, now seen corresponding path program 1 times [2018-12-02 06:27:41,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:41,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:41,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:41,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:42,042 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 06:27:42,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:42,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:27:42,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:42,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:27:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:27:42,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:27:42,044 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 7 states. [2018-12-02 06:27:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:42,301 INFO L93 Difference]: Finished difference Result 442 states and 542 transitions. [2018-12-02 06:27:42,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:27:42,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 06:27:42,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:42,303 INFO L225 Difference]: With dead ends: 442 [2018-12-02 06:27:42,303 INFO L226 Difference]: Without dead ends: 321 [2018-12-02 06:27:42,304 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 06:27:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-02 06:27:42,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2018-12-02 06:27:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-02 06:27:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2018-12-02 06:27:42,324 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2018-12-02 06:27:42,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:42,325 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2018-12-02 06:27:42,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:27:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2018-12-02 06:27:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 06:27:42,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:42,327 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 06:27:42,327 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:42,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash 677225223, now seen corresponding path program 1 times [2018-12-02 06:27:42,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:42,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:42,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:42,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:42,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:42,382 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 06:27:42,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:42,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:27:42,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:42,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:27:42,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:27:42,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:27:42,383 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 6 states. [2018-12-02 06:27:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:42,510 INFO L93 Difference]: Finished difference Result 853 states and 1068 transitions. [2018-12-02 06:27:42,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:27:42,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 06:27:42,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:42,513 INFO L225 Difference]: With dead ends: 853 [2018-12-02 06:27:42,513 INFO L226 Difference]: Without dead ends: 572 [2018-12-02 06:27:42,514 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 06:27:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-02 06:27:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-02 06:27:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-02 06:27:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2018-12-02 06:27:42,552 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2018-12-02 06:27:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:42,552 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2018-12-02 06:27:42,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:27:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2018-12-02 06:27:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 06:27:42,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:42,554 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 06:27:42,554 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:42,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:42,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1831613501, now seen corresponding path program 1 times [2018-12-02 06:27:42,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:42,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:42,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:27:42,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:42,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:27:42,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:42,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:27:42,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:27:42,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:27:42,634 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 7 states. [2018-12-02 06:27:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:43,038 INFO L93 Difference]: Finished difference Result 1463 states and 1926 transitions. [2018-12-02 06:27:43,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 06:27:43,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 06:27:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:43,041 INFO L225 Difference]: With dead ends: 1463 [2018-12-02 06:27:43,041 INFO L226 Difference]: Without dead ends: 925 [2018-12-02 06:27:43,043 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 06:27:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-02 06:27:43,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 827. [2018-12-02 06:27:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-02 06:27:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1007 transitions. [2018-12-02 06:27:43,074 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1007 transitions. Word has length 66 [2018-12-02 06:27:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:43,075 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1007 transitions. [2018-12-02 06:27:43,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:27:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1007 transitions. [2018-12-02 06:27:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:27:43,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:43,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:43,076 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:43,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:43,076 INFO L82 PathProgramCache]: Analyzing trace with hash -139804171, now seen corresponding path program 1 times [2018-12-02 06:27:43,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:43,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:43,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:43,110 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 06:27:43,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:43,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:27:43,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:43,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:27:43,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:27:43,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:27:43,111 INFO L87 Difference]: Start difference. First operand 827 states and 1007 transitions. Second operand 6 states. [2018-12-02 06:27:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:43,145 INFO L93 Difference]: Finished difference Result 1646 states and 2044 transitions. [2018-12-02 06:27:43,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:27:43,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 06:27:43,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:43,148 INFO L225 Difference]: With dead ends: 1646 [2018-12-02 06:27:43,148 INFO L226 Difference]: Without dead ends: 847 [2018-12-02 06:27:43,150 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 06:27:43,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-12-02 06:27:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2018-12-02 06:27:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-12-02 06:27:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-12-02 06:27:43,177 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2018-12-02 06:27:43,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:43,178 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-12-02 06:27:43,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:27:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-12-02 06:27:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:27:43,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:43,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:43,179 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:43,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:43,180 INFO L82 PathProgramCache]: Analyzing trace with hash -212190729, now seen corresponding path program 1 times [2018-12-02 06:27:43,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:43,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:43,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:43,240 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 06:27:43,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:43,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 06:27:43,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:43,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:27:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:27:43,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:27:43,241 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 8 states. [2018-12-02 06:27:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:43,282 INFO L93 Difference]: Finished difference Result 1694 states and 2130 transitions. [2018-12-02 06:27:43,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:27:43,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-02 06:27:43,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:43,286 INFO L225 Difference]: With dead ends: 1694 [2018-12-02 06:27:43,286 INFO L226 Difference]: Without dead ends: 875 [2018-12-02 06:27:43,287 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 06:27:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2018-12-02 06:27:43,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 863. [2018-12-02 06:27:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2018-12-02 06:27:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2018-12-02 06:27:43,313 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2018-12-02 06:27:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:43,314 INFO L480 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2018-12-02 06:27:43,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:27:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2018-12-02 06:27:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:27:43,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:43,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:43,325 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:43,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:43,325 INFO L82 PathProgramCache]: Analyzing trace with hash 117575032, now seen corresponding path program 1 times [2018-12-02 06:27:43,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:43,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:43,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:43,387 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 06:27:43,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:43,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:27:43,387 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:43,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:27:43,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:27:43,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:27:43,388 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 4 states. [2018-12-02 06:27:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:43,576 INFO L93 Difference]: Finished difference Result 2789 states and 3534 transitions. [2018-12-02 06:27:43,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:27:43,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-02 06:27:43,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:43,583 INFO L225 Difference]: With dead ends: 2789 [2018-12-02 06:27:43,583 INFO L226 Difference]: Without dead ends: 1954 [2018-12-02 06:27:43,585 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 06:27:43,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-02 06:27:43,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1923. [2018-12-02 06:27:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2018-12-02 06:27:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2383 transitions. [2018-12-02 06:27:43,650 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2383 transitions. Word has length 94 [2018-12-02 06:27:43,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:43,650 INFO L480 AbstractCegarLoop]: Abstraction has 1923 states and 2383 transitions. [2018-12-02 06:27:43,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:27:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2383 transitions. [2018-12-02 06:27:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 06:27:43,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:43,652 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:43,652 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:43,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 590785298, now seen corresponding path program 1 times [2018-12-02 06:27:43,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:43,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:43,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:43,689 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 06:27:43,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:43,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:27:43,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:43,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:27:43,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:27:43,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:27:43,690 INFO L87 Difference]: Start difference. First operand 1923 states and 2383 transitions. Second operand 3 states. [2018-12-02 06:27:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:43,758 INFO L93 Difference]: Finished difference Result 3114 states and 3973 transitions. [2018-12-02 06:27:43,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:27:43,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-02 06:27:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:43,767 INFO L225 Difference]: With dead ends: 3114 [2018-12-02 06:27:43,767 INFO L226 Difference]: Without dead ends: 3111 [2018-12-02 06:27:43,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:27:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2018-12-02 06:27:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2951. [2018-12-02 06:27:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-12-02 06:27:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3777 transitions. [2018-12-02 06:27:43,866 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3777 transitions. Word has length 98 [2018-12-02 06:27:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:43,866 INFO L480 AbstractCegarLoop]: Abstraction has 2951 states and 3777 transitions. [2018-12-02 06:27:43,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:27:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3777 transitions. [2018-12-02 06:27:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 06:27:43,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:43,872 INFO L402 BasicCegarLoop]: trace histogram [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, 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 06:27:43,872 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:43,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:43,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1889138459, now seen corresponding path program 1 times [2018-12-02 06:27:43,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:43,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:43,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:43,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 06:27:43,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:27:43,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:27:43,956 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-02 06:27:43,957 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [131], [133], [136], [138], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [177], [179], [211], [215], [221], [222], [223], [231], [237], [240], [242], [245], [255], [258], [262], [263], [266], [281], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [299], [300], [301], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [331], [332], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [350], [361], [362] [2018-12-02 06:27:43,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:27:43,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:27:45,365 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:27:45,366 INFO L272 AbstractInterpreter]: Visited 105 different actions 615 times. Merged at 14 different actions 65 times. Never widened. Performed 30888 root evaluator evaluations with a maximum evaluation depth of 3. Performed 30888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-02 06:27:45,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:45,372 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:27:45,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:27:45,372 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/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 06:27:45,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:45,378 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:27:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:45,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:27:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:27:45,522 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:27:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 06:27:45,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:27:45,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-02 06:27:45,688 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:45,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:27:45,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:27:45,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:27:45,689 INFO L87 Difference]: Start difference. First operand 2951 states and 3777 transitions. Second operand 3 states. [2018-12-02 06:27:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:45,828 INFO L93 Difference]: Finished difference Result 5354 states and 6942 transitions. [2018-12-02 06:27:45,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:27:45,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-02 06:27:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:45,835 INFO L225 Difference]: With dead ends: 5354 [2018-12-02 06:27:45,835 INFO L226 Difference]: Without dead ends: 2775 [2018-12-02 06:27:45,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:27:45,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2018-12-02 06:27:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2004. [2018-12-02 06:27:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2018-12-02 06:27:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2312 transitions. [2018-12-02 06:27:45,960 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2312 transitions. Word has length 162 [2018-12-02 06:27:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:45,961 INFO L480 AbstractCegarLoop]: Abstraction has 2004 states and 2312 transitions. [2018-12-02 06:27:45,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:27:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2312 transitions. [2018-12-02 06:27:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 06:27:45,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:45,965 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-02 06:27:45,965 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:45,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:45,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1841766032, now seen corresponding path program 1 times [2018-12-02 06:27:45,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:45,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:45,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:45,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:45,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 06:27:46,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:27:46,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:27:46,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:46,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:27:46,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:27:46,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:27:46,012 INFO L87 Difference]: Start difference. First operand 2004 states and 2312 transitions. Second operand 3 states. [2018-12-02 06:27:46,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:46,085 INFO L93 Difference]: Finished difference Result 3092 states and 3577 transitions. [2018-12-02 06:27:46,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:27:46,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-12-02 06:27:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:46,088 INFO L225 Difference]: With dead ends: 3092 [2018-12-02 06:27:46,088 INFO L226 Difference]: Without dead ends: 1116 [2018-12-02 06:27:46,091 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 06:27:46,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-02 06:27:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1093. [2018-12-02 06:27:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2018-12-02 06:27:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1246 transitions. [2018-12-02 06:27:46,127 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1246 transitions. Word has length 171 [2018-12-02 06:27:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:46,127 INFO L480 AbstractCegarLoop]: Abstraction has 1093 states and 1246 transitions. [2018-12-02 06:27:46,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:27:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1246 transitions. [2018-12-02 06:27:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 06:27:46,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:27:46,129 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:27:46,130 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:27:46,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:46,130 INFO L82 PathProgramCache]: Analyzing trace with hash -46085140, now seen corresponding path program 1 times [2018-12-02 06:27:46,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:27:46,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:46,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:46,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:27:46,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:27:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:27:46,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:27:46,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:27:46,242 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-12-02 06:27:46,243 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [133], [136], [138], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [177], [179], [208], [211], [215], [221], [222], [223], [226], [230], [231], [237], [240], [242], [245], [252], [255], [258], [262], [263], [266], [269], [271], [277], [281], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [297], [298], [299], [300], [301], [303], [304], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [331], [332], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [350], [353], [354], [355], [356], [359], [360], [361], [362] [2018-12-02 06:27:46,245 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:27:46,245 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:27:47,764 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:27:47,764 INFO L272 AbstractInterpreter]: Visited 142 different actions 1232 times. Merged at 21 different actions 112 times. Never widened. Performed 44526 root evaluator evaluations with a maximum evaluation depth of 5. Performed 44526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 21 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 06:27:47,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:27:47,765 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:27:47,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:27:47,766 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/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 06:27:47,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:27:47,771 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:27:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:27:47,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:27:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:27:47,974 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:27:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:27:48,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:27:48,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 06:27:48,281 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:27:48,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:27:48,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:27:48,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 06:27:48,282 INFO L87 Difference]: Start difference. First operand 1093 states and 1246 transitions. Second operand 8 states. [2018-12-02 06:27:48,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:27:48,466 INFO L93 Difference]: Finished difference Result 1970 states and 2262 transitions. [2018-12-02 06:27:48,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:27:48,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-12-02 06:27:48,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:27:48,467 INFO L225 Difference]: With dead ends: 1970 [2018-12-02 06:27:48,467 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:27:48,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 06:27:48,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:27:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:27:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:27:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:27:48,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-02 06:27:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:27:48,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:27:48,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:27:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:27:48,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:27:48,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:27:48,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:48,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:27:49,789 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2018-12-02 06:27:50,037 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2018-12-02 06:27:51,239 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2018-12-02 06:27:51,643 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2018-12-02 06:27:51,643 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2018-12-02 06:27:51,643 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-02 06:27:51,643 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2018-12-02 06:27:51,644 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-02 06:27:51,644 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,644 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2018-12-02 06:27:51,644 INFO L444 ceAbstractionStarter]: At program point L1011(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,644 INFO L444 ceAbstractionStarter]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,644 INFO L448 ceAbstractionStarter]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2018-12-02 06:27:51,644 INFO L448 ceAbstractionStarter]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2018-12-02 06:27:51,644 INFO L448 ceAbstractionStarter]: For program point L1007(line 1007) no Hoare annotation was computed. [2018-12-02 06:27:51,645 INFO L444 ceAbstractionStarter]: At program point L1006(line 1006) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,645 INFO L444 ceAbstractionStarter]: At program point L1005(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,645 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2018-12-02 06:27:51,645 INFO L444 ceAbstractionStarter]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,645 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2018-12-02 06:27:51,645 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse3 .cse4 .cse5) .cse6) (or (or .cse1 .cse5) .cse2) (or .cse3 .cse0 .cse6 .cse4))) [2018-12-02 06:27:51,645 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-02 06:27:51,645 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~systemActive~0 1) .cse6)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or (or .cse4 .cse2) .cse5) .cse6) (or .cse0 .cse7 .cse3 .cse1) (or .cse7 .cse6 (or .cse4 .cse5))))) [2018-12-02 06:27:51,645 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L451 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2018-12-02 06:27:51,646 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,646 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2018-12-02 06:27:51,646 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L451 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: true [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse4 .cse5 .cse1) (or .cse5 (or .cse0 .cse1 .cse2)))) [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 (or .cse0 .cse1 .cse2)) (or .cse4 .cse6 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse5)))) [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 (or .cse4 .cse3 .cse5)))) [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse4 .cse3 .cse5) .cse2) (or (or .cse0 .cse3 .cse6) .cse2) (or (or .cse4 .cse3 .cse5 .cse6) .cse2))) [2018-12-02 06:27:51,647 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) .cse4) (or .cse5 .cse0 .cse2))) [2018-12-02 06:27:51,647 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2018-12-02 06:27:51,648 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2) (and .cse5 (and .cse1 .cse2 .cse3)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse2))) [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse0 .cse3 .cse4))) [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2018-12-02 06:27:51,648 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse4 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3 .cse5))) [2018-12-02 06:27:51,649 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (and .cse6 .cse0 .cse3) .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3 .cse4))) [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L444 ceAbstractionStarter]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:27:51,649 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse2) (and (and .cse1 .cse2 .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse6 .cse2))) [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L444 ceAbstractionStarter]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse1 .cse3) (and .cse5 (and .cse6 .cse0 .cse3)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2018-12-02 06:27:51,649 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse0 .cse3) (or (or .cse1 .cse4) .cse3) (or .cse1 .cse2 .cse4) (or .cse5 .cse2 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~pumpRunning~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse1) (or (or .cse2 .cse9) .cse3) (or .cse0 .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse2 .cse8 .cse9) (or .cse6 .cse8 .cse9)))) [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2018-12-02 06:27:51,650 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (or .cse5 .cse6)) (or .cse7 .cse0 .cse3 .cse6 .cse8) (or (or .cse5 .cse6 .cse8) .cse7 .cse4) (or .cse1 (or .cse5 .cse3 .cse6) .cse2) (or (or .cse5 .cse3 .cse6 .cse8) .cse7))) [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point L952(lines 927 956) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 945) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L451 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2018-12-02 06:27:51,651 INFO L448 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2018-12-02 06:27:51,651 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse7 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse12 (and .cse2 .cse10)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse10 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 (or .cse1 .cse3 .cse5) .cse8) (or .cse6 (or .cse7 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse0 .cse10 (or .cse7 .cse3 .cse5)) (or .cse0 (or .cse11 .cse1) .cse6) (or .cse12 .cse1 .cse11 .cse4 .cse5 .cse9) (or .cse0 .cse12 .cse1 .cse11 .cse4 .cse5) (or (or .cse1 .cse3 .cse5 .cse9) .cse8) (or (or .cse1 .cse9) .cse11 .cse6)))) [2018-12-02 06:27:51,651 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse11 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 (or .cse1 .cse3 .cse5) .cse8) (or .cse0 (or .cse9 .cse1)) (or .cse6 (or .cse7 .cse3 .cse10)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse0 .cse11 (or .cse7 .cse3 .cse5)) (or (or .cse1 .cse3 .cse5 .cse10) .cse8) (or (or .cse1 .cse10) .cse9)))) [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L444 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse5 (< |old(~pumpRunning~0)| 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse11 (and (<= 1 ~pumpRunning~0) (not (= ~waterLevel~0 1)) .cse12)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 1 ~waterLevel~0) .cse12)) (.cse6 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse3 .cse4 (or .cse5 .cse6 .cse7)) (or .cse8 .cse2 .cse1 .cse9 .cse10 .cse7) (or .cse0 .cse8 .cse2 .cse1 .cse9 .cse10) (or .cse0 .cse11 .cse3 (or .cse2 .cse6 .cse10)) (or .cse0 (or .cse5 .cse6) .cse4) (or .cse11 .cse3 (or .cse2 .cse6 .cse10 .cse7)) (or .cse0 .cse2 .cse8 .cse6 .cse9 .cse10) (or (or .cse2 .cse7) .cse1 .cse3) (or .cse2 .cse8 .cse6 .cse9 .cse10 .cse7)))) [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse6 .cse1)) (or .cse4 (or .cse7 .cse0)) (or .cse5 (or .cse6 .cse1 .cse3)) (or .cse4 (or .cse0 .cse1 .cse2)) (or (or .cse0 .cse3) .cse7) (or (= 0 ~methAndRunningLastTime~0) .cse4 (or .cse6 .cse1 .cse2)))) [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point L579(lines 578 597) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: true [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 06:27:51,652 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2018-12-02 06:27:51,652 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) (and .cse5 .cse4)))) [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse0 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-02 06:27:51,653 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 649) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point L639-1(line 639) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 654) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-02 06:27:51,654 INFO L444 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-02 06:27:51,654 INFO L448 ceAbstractionStarter]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2018-12-02 06:27:51,654 INFO L444 ceAbstractionStarter]: At program point L647(line 647) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-02 06:27:51,654 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-02 06:27:51,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:27:51 BoogieIcfgContainer [2018-12-02 06:27:51,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:27:51,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:27:51,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:27:51,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:27:51,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:41" (3/4) ... [2018-12-02 06:27:51,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:27:51,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 06:27:51,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 06:27:51,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 06:27:51,676 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 06:27:51,681 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 06:27:51,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 06:27:51,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 06:27:51,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 06:27:51,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 06:27:51,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:27:51,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-02 06:27:51,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 06:27:51,734 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb5efbd1-c378-44b3-9071-40ce84ba4c92/bin-2019/utaipan/witness.graphml [2018-12-02 06:27:51,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:27:51,734 INFO L168 Benchmark]: Toolchain (without parser) took 10833.13 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 758.1 MB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -311.4 MB). Peak memory consumption was 446.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:27:51,735 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 06:27:51,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:27:51,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.22 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 06:27:51,735 INFO L168 Benchmark]: Boogie Preprocessor took 24.91 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 06:27:51,735 INFO L168 Benchmark]: RCFGBuilder took 318.76 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:27:51,735 INFO L168 Benchmark]: TraceAbstraction took 10093.61 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 664.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -234.9 MB). Peak memory consumption was 742.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:27:51,736 INFO L168 Benchmark]: Witness Printer took 69.14 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 125.5 kB). Peak memory consumption was 125.5 kB. Max. memory is 11.5 GB. [2018-12-02 06:27:51,737 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 303.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.22 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 24.91 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 318.76 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10093.61 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 664.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -234.9 MB). Peak memory consumption was 742.1 MB. Max. memory is 11.5 GB. * Witness Printer took 69.14 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 125.5 kB). Peak memory consumption was 125.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 171 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2529 SDtfs, 1172 SDslu, 4802 SDs, 0 SdLazy, 1320 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 778 GetRequests, 699 SyntacticMatches, 8 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2951occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1113 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4362 PreInvPairs, 4459 NumberOfFragments, 3644 HoareAnnotationTreeSize, 4362 FomulaSimplifications, 7413 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 11944 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1834 ConstructedInterpolants, 0 QuantifiedInterpolants, 378083 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1879 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 358/378 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...