./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_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_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/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 23cbf887df70a1f42db96b12c0b9702076660a13 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:29:24,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:29:24,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:29:24,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:29:24,051 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:29:24,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:29:24,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:29:24,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:29:24,053 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:29:24,054 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:29:24,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:29:24,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:29:24,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:29:24,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:29:24,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:29:24,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:29:24,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:29:24,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:29:24,058 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:29:24,059 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:29:24,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:29:24,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:29:24,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:29:24,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:29:24,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:29:24,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:29:24,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:29:24,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:29:24,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:29:24,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:29:24,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:29:24,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:29:24,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:29:24,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:29:24,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:29:24,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:29:24,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 05:29:24,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:29:24,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:29:24,073 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 05:29:24,073 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 05:29:24,073 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 05:29:24,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:29:24,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:29:24,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:29:24,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:29:24,075 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:29:24,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:29:24,076 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 05:29:24,076 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:29:24,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:29:24,076 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 05:29:24,076 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_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-12-02 05:29:24,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:29:24,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:29:24,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:29:24,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:29:24,106 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:29:24,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-02 05:29:24,149 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/data/b4cb3b466/397d18d2bfeb4cf5af887c71b7aebd7c/FLAGebd368b31 [2018-12-02 05:29:24,561 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:29:24,562 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-02 05:29:24,568 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/data/b4cb3b466/397d18d2bfeb4cf5af887c71b7aebd7c/FLAGebd368b31 [2018-12-02 05:29:24,576 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/data/b4cb3b466/397d18d2bfeb4cf5af887c71b7aebd7c [2018-12-02 05:29:24,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:29:24,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:29:24,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:29:24,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:29:24,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:29:24,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24, skipping insertion in model container [2018-12-02 05:29:24,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:29:24,609 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:29:24,755 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:29:24,795 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:29:24,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:29:24,852 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:29:24,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24 WrapperNode [2018-12-02 05:29:24,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:29:24,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:29:24,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:29:24,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:29:24,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:29:24,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:29:24,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:29:24,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:29:24,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... [2018-12-02 05:29:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:29:24,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:29:24,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:29:24,894 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:29:24,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/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 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 05:29:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 05:29:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 05:29:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 05:29:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 05:29:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 05:29:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 05:29:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:29:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:29:25,200 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:29:25,200 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 05:29:25,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:25 BoogieIcfgContainer [2018-12-02 05:29:25,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:29:25,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:29:25,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:29:25,203 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:29:25,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:29:24" (1/3) ... [2018-12-02 05:29:25,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3178d8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:25, skipping insertion in model container [2018-12-02 05:29:25,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:24" (2/3) ... [2018-12-02 05:29:25,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3178d8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:25, skipping insertion in model container [2018-12-02 05:29:25,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:25" (3/3) ... [2018-12-02 05:29:25,205 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-02 05:29:25,211 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:29:25,215 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:29:25,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:29:25,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:29:25,242 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:29:25,242 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:29:25,242 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:29:25,242 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:29:25,242 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:29:25,242 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:29:25,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:29:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-02 05:29:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 05:29:25,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:25,260 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 05:29:25,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:25,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1964554261, now seen corresponding path program 1 times [2018-12-02 05:29:25,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:25,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:25,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:25,405 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 05:29:25,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:25,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:29:25,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:25,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:29:25,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:29:25,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:29:25,419 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-02 05:29:25,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:25,442 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-12-02 05:29:25,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:29:25,443 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 05:29:25,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:25,450 INFO L225 Difference]: With dead ends: 266 [2018-12-02 05:29:25,450 INFO L226 Difference]: Without dead ends: 133 [2018-12-02 05:29:25,452 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 05:29:25,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-02 05:29:25,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-02 05:29:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-02 05:29:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-12-02 05:29:25,483 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2018-12-02 05:29:25,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:25,483 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-12-02 05:29:25,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:29:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-12-02 05:29:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 05:29:25,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:25,485 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:25,485 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:25,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:25,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1078735596, now seen corresponding path program 1 times [2018-12-02 05:29:25,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:25,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:25,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,487 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:25,545 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 05:29:25,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:25,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:29:25,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:25,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:29:25,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:29:25,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:29:25,547 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-12-02 05:29:25,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:25,559 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-12-02 05:29:25,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:29:25,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 05:29:25,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:25,560 INFO L225 Difference]: With dead ends: 211 [2018-12-02 05:29:25,561 INFO L226 Difference]: Without dead ends: 124 [2018-12-02 05:29:25,561 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 05:29:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-02 05:29:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-02 05:29:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-02 05:29:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-12-02 05:29:25,569 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-12-02 05:29:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:25,569 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-12-02 05:29:25,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:29:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-02 05:29:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 05:29:25,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:25,570 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] [2018-12-02 05:29:25,570 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:25,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:25,571 INFO L82 PathProgramCache]: Analyzing trace with hash -366396523, now seen corresponding path program 1 times [2018-12-02 05:29:25,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:25,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:25,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:25,650 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 05:29:25,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:25,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:29:25,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:25,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:29:25,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:29:25,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:29:25,652 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-12-02 05:29:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:25,837 INFO L93 Difference]: Finished difference Result 224 states and 265 transitions. [2018-12-02 05:29:25,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:29:25,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 05:29:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:25,839 INFO L225 Difference]: With dead ends: 224 [2018-12-02 05:29:25,839 INFO L226 Difference]: Without dead ends: 124 [2018-12-02 05:29:25,840 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 05:29:25,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-02 05:29:25,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-02 05:29:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-02 05:29:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-02 05:29:25,851 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-12-02 05:29:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:25,851 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-02 05:29:25,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:29:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-02 05:29:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 05:29:25,853 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:25,853 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] [2018-12-02 05:29:25,853 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:25,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash -412527028, now seen corresponding path program 1 times [2018-12-02 05:29:25,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:25,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:25,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:25,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:25,936 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 05:29:25,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:25,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 05:29:25,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:25,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 05:29:25,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 05:29:25,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 05:29:25,938 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-12-02 05:29:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:26,240 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2018-12-02 05:29:26,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:29:26,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-02 05:29:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:26,242 INFO L225 Difference]: With dead ends: 335 [2018-12-02 05:29:26,242 INFO L226 Difference]: Without dead ends: 235 [2018-12-02 05:29:26,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:29:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-12-02 05:29:26,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2018-12-02 05:29:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-02 05:29:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-12-02 05:29:26,270 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2018-12-02 05:29:26,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:26,271 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-12-02 05:29:26,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 05:29:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-12-02 05:29:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 05:29:26,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:26,272 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] [2018-12-02 05:29:26,272 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:26,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash 985720040, now seen corresponding path program 1 times [2018-12-02 05:29:26,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:26,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:26,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:26,330 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 05:29:26,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:26,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:29:26,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:26,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:29:26,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:29:26,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:29:26,331 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2018-12-02 05:29:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:26,438 INFO L93 Difference]: Finished difference Result 528 states and 633 transitions. [2018-12-02 05:29:26,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:29:26,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-02 05:29:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:26,442 INFO L225 Difference]: With dead ends: 528 [2018-12-02 05:29:26,442 INFO L226 Difference]: Without dead ends: 336 [2018-12-02 05:29:26,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:29:26,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-12-02 05:29:26,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2018-12-02 05:29:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-12-02 05:29:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2018-12-02 05:29:26,467 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2018-12-02 05:29:26,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:26,468 INFO L480 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2018-12-02 05:29:26,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:29:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2018-12-02 05:29:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 05:29:26,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:26,470 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:26,470 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:26,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:26,470 INFO L82 PathProgramCache]: Analyzing trace with hash 134647598, now seen corresponding path program 1 times [2018-12-02 05:29:26,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:26,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:26,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:26,557 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 05:29:26,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:26,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:29:26,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:26,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:29:26,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:29:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:29:26,558 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2018-12-02 05:29:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:26,689 INFO L93 Difference]: Finished difference Result 711 states and 857 transitions. [2018-12-02 05:29:26,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:29:26,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-02 05:29:26,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:26,691 INFO L225 Difference]: With dead ends: 711 [2018-12-02 05:29:26,691 INFO L226 Difference]: Without dead ends: 519 [2018-12-02 05:29:26,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:29:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-12-02 05:29:26,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2018-12-02 05:29:26,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-12-02 05:29:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2018-12-02 05:29:26,711 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2018-12-02 05:29:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:26,712 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2018-12-02 05:29:26,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:29:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2018-12-02 05:29:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 05:29:26,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:26,713 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:26,713 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:26,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:26,713 INFO L82 PathProgramCache]: Analyzing trace with hash -788035985, now seen corresponding path program 1 times [2018-12-02 05:29:26,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:26,743 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 05:29:26,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:26,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 05:29:26,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:26,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 05:29:26,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 05:29:26,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 05:29:26,744 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2018-12-02 05:29:26,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:26,762 INFO L93 Difference]: Finished difference Result 872 states and 1054 transitions. [2018-12-02 05:29:26,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 05:29:26,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-02 05:29:26,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:26,764 INFO L225 Difference]: With dead ends: 872 [2018-12-02 05:29:26,765 INFO L226 Difference]: Without dead ends: 511 [2018-12-02 05:29:26,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 05:29:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-02 05:29:26,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-02 05:29:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-02 05:29:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2018-12-02 05:29:26,782 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2018-12-02 05:29:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:26,782 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2018-12-02 05:29:26,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 05:29:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2018-12-02 05:29:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 05:29:26,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:26,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:26,783 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:26,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1632041487, now seen corresponding path program 1 times [2018-12-02 05:29:26,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:26,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:26,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:26,836 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 05:29:26,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:26,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 05:29:26,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:26,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:29:26,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:29:26,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:29:26,838 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2018-12-02 05:29:26,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:26,883 INFO L93 Difference]: Finished difference Result 992 states and 1194 transitions. [2018-12-02 05:29:26,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 05:29:26,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-02 05:29:26,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:26,886 INFO L225 Difference]: With dead ends: 992 [2018-12-02 05:29:26,886 INFO L226 Difference]: Without dead ends: 511 [2018-12-02 05:29:26,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:29:26,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-02 05:29:26,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-02 05:29:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-02 05:29:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2018-12-02 05:29:26,904 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2018-12-02 05:29:26,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:26,905 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2018-12-02 05:29:26,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:29:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2018-12-02 05:29:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 05:29:26,907 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:26,907 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] [2018-12-02 05:29:26,907 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:26,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:26,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1949044827, now seen corresponding path program 1 times [2018-12-02 05:29:26,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:26,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:26,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:26,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:26,977 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 05:29:26,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:29:26,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 05:29:26,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:26,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 05:29:26,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 05:29:26,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:29:26,978 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2018-12-02 05:29:27,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:27,109 INFO L93 Difference]: Finished difference Result 992 states and 1170 transitions. [2018-12-02 05:29:27,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 05:29:27,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-12-02 05:29:27,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:27,111 INFO L225 Difference]: With dead ends: 992 [2018-12-02 05:29:27,111 INFO L226 Difference]: Without dead ends: 511 [2018-12-02 05:29:27,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:29:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-02 05:29:27,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2018-12-02 05:29:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-12-02 05:29:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-12-02 05:29:27,126 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2018-12-02 05:29:27,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:27,126 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-12-02 05:29:27,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 05:29:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-12-02 05:29:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 05:29:27,127 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:27,127 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:27,127 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:27,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:27,128 INFO L82 PathProgramCache]: Analyzing trace with hash -315478544, now seen corresponding path program 1 times [2018-12-02 05:29:27,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:27,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:27,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:27,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:27,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 05:29:27,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:29:27,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:29:27,172 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-02 05:29:27,174 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-12-02 05:29:27,198 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:29:27,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:29:27,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:29:27,663 INFO L272 AbstractInterpreter]: Visited 86 different actions 139 times. Merged at 6 different actions 6 times. Never widened. Performed 6473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 05:29:27,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:27,675 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:29:28,022 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 96.69% of their original sizes. [2018-12-02 05:29:28,022 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:29:28,193 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-02 05:29:28,193 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:29:28,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:29:28,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-12-02 05:29:28,194 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:29:28,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-02 05:29:28,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-02 05:29:28,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-12-02 05:29:28,194 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 26 states. [2018-12-02 05:29:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:31,295 INFO L93 Difference]: Finished difference Result 1172 states and 1374 transitions. [2018-12-02 05:29:31,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 05:29:31,295 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 138 [2018-12-02 05:29:31,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:31,297 INFO L225 Difference]: With dead ends: 1172 [2018-12-02 05:29:31,297 INFO L226 Difference]: Without dead ends: 706 [2018-12-02 05:29:31,298 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2018-12-02 05:29:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-02 05:29:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 673. [2018-12-02 05:29:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-12-02 05:29:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 762 transitions. [2018-12-02 05:29:31,317 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 762 transitions. Word has length 138 [2018-12-02 05:29:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:31,318 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 762 transitions. [2018-12-02 05:29:31,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-02 05:29:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 762 transitions. [2018-12-02 05:29:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 05:29:31,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:29:31,319 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:29:31,319 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:29:31,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:31,319 INFO L82 PathProgramCache]: Analyzing trace with hash -544472691, now seen corresponding path program 1 times [2018-12-02 05:29:31,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:29:31,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:31,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:31,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:29:31,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:29:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 05:29:31,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:29:31,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:29:31,381 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-02 05:29:31,381 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [120], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-12-02 05:29:31,383 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:29:31,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:29:31,578 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:29:31,578 INFO L272 AbstractInterpreter]: Visited 94 different actions 115 times. Merged at 6 different actions 6 times. Never widened. Performed 6189 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 05:29:31,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:29:31,588 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:29:31,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:29:31,588 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/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 05:29:31,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:29:31,594 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:29:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:29:31,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:29:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 05:29:31,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:29:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 05:29:32,056 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:29:32,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-02 05:29:32,056 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:29:32,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 05:29:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 05:29:32,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-02 05:29:32,057 INFO L87 Difference]: Start difference. First operand 673 states and 762 transitions. Second operand 15 states. [2018-12-02 05:29:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:29:33,455 INFO L93 Difference]: Finished difference Result 2125 states and 2905 transitions. [2018-12-02 05:29:33,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 05:29:33,456 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-12-02 05:29:33,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:29:33,456 INFO L225 Difference]: With dead ends: 2125 [2018-12-02 05:29:33,457 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:29:33,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-02 05:29:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:29:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:29:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:29:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:29:33,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-12-02 05:29:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:29:33,461 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:29:33,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 05:29:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:29:33,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:29:33,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:29:33,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:33,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:29:34,059 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2018-12-02 05:29:34,871 WARN L180 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2018-12-02 05:29:35,229 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-12-02 05:29:35,343 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2018-12-02 05:29:35,709 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2018-12-02 05:29:35,989 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2018-12-02 05:29:36,216 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-12-02 05:29:36,447 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2018-12-02 05:29:36,702 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 05:29:36,702 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 05:29:36,702 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 05:29:36,702 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 05:29:36,702 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L444 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-12-02 05:29:36,703 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 05:29:36,704 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L451 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-12-02 05:29:36,704 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 05:29:36,705 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-02 05:29:36,705 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-12-02 05:29:36,705 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 05:29:36,705 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 05:29:36,705 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-12-02 05:29:36,705 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 05:29:36,705 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-12-02 05:29:36,705 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-12-02 05:29:36,705 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,705 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-12-02 05:29:36,705 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:29:36,706 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:29:36,706 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:29:36,706 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:29:36,706 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-12-02 05:29:36,706 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:29:36,707 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-12-02 05:29:36,707 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-02 05:29:36,707 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-12-02 05:29:36,708 INFO L451 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-12-02 05:29:36,708 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L451 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2018-12-02 05:29:36,709 INFO L451 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L451 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse5 .cse6)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) (and (or .cse5 .cse6 .cse7) (or (or .cse8 .cse9) .cse0))) (or .cse10 .cse11 .cse1 .cse6) (or .cse10 .cse3 .cse6 .cse8 .cse9) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse6) (or .cse10 .cse6 .cse4 .cse7)))) [2018-12-02 05:29:36,709 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-12-02 05:29:36,709 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or (and .cse8 (= 0 ~pumpRunning~0) .cse6) (and .cse8 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse8 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (or .cse3 .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0) (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)))))) [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-12-02 05:29:36,709 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-02 05:29:36,709 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:29:36,710 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 05:29:36,710 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:29:36,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) .cse1))))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (< 2 ~waterLevel~0)) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse1 .cse0))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-12-02 05:29:36,711 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-12-02 05:29:36,712 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-12-02 05:29:36,712 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-12-02 05:29:36,712 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-12-02 05:29:36,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:29:36 BoogieIcfgContainer [2018-12-02 05:29:36,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:29:36,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:29:36,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:29:36,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:29:36,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:25" (3/4) ... [2018-12-02 05:29:36,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 05:29:36,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 05:29:36,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 05:29:36,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 05:29:36,739 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 05:29:36,740 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 05:29:36,740 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 05:29:36,740 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 05:29:36,741 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:29:36,741 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 05:29:36,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:29:36,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:29:36,789 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8cb62259-bc86-4e38-ab84-e7ffe6973b6b/bin-2019/utaipan/witness.graphml [2018-12-02 05:29:36,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:29:36,790 INFO L168 Benchmark]: Toolchain (without parser) took 12211.40 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.6 MB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -339.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,790 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:29:36,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.56 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 05:29:36,791 INFO L168 Benchmark]: Boogie Preprocessor took 21.13 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,791 INFO L168 Benchmark]: RCFGBuilder took 306.78 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,791 INFO L168 Benchmark]: TraceAbstraction took 11521.15 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 468.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -269.0 MB). Peak memory consumption was 701.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,791 INFO L168 Benchmark]: Witness Printer took 66.76 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:29:36,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.13 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 306.78 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11521.15 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 468.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -269.0 MB). Peak memory consumption was 701.8 MB. Max. memory is 11.5 GB. * Witness Printer took 66.76 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 11.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1862 SDtfs, 1900 SDslu, 7003 SDs, 0 SdLazy, 4064 SolverSat, 1069 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 558 GetRequests, 414 SyntacticMatches, 14 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=673occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9966802418948142 AbsIntWeakeningRatio, 0.9197080291970803 AbsIntAvgWeakeningVarsNumRemoved, 47.86131386861314 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 107 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1938 PreInvPairs, 2342 NumberOfFragments, 1812 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 8534 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 20919 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1090 NumberOfCodeBlocks, 1090 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 218798 SizeOfPredicates, 7 NumberOfNonLiveVariables, 842 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 106/124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...