./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/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 77b70849cb3dcecd37b0edacca9651109dbc42ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:42:55,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:42:55,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:42:55,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:42:55,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:42:55,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:42:55,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:42:55,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:42:55,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:42:55,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:42:55,039 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:42:55,039 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:42:55,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:42:55,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:42:55,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:42:55,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:42:55,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:42:55,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:42:55,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:42:55,045 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:42:55,046 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:42:55,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:42:55,048 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:42:55,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:42:55,049 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:42:55,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:42:55,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:42:55,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:42:55,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:42:55,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:42:55,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:42:55,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:42:55,052 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:42:55,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:42:55,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:42:55,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:42:55,054 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:42:55,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:42:55,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:42:55,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:42:55,065 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:42:55,065 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:42:55,065 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:42:55,066 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:42:55,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:42:55,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:42:55,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:42:55,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:42:55,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:42:55,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:42:55,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:42:55,068 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:42:55,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:42:55,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:42:55,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:42:55,070 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:42:55,070 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_b5e67761-e445-4e40-9f03-efa0b712ef32/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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2018-11-18 08:42:55,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:42:55,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:42:55,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:42:55,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:42:55,107 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:42:55,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-18 08:42:55,152 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/data/33ed573be/d85f577a5ebc4a728bf8bfb496db1b17/FLAG5dd42bec4 [2018-11-18 08:42:55,573 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:42:55,573 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-18 08:42:55,579 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/data/33ed573be/d85f577a5ebc4a728bf8bfb496db1b17/FLAG5dd42bec4 [2018-11-18 08:42:55,588 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/data/33ed573be/d85f577a5ebc4a728bf8bfb496db1b17 [2018-11-18 08:42:55,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:42:55,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:42:55,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:42:55,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:42:55,595 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:42:55,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55, skipping insertion in model container [2018-11-18 08:42:55,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:42:55,637 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:42:55,833 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:42:55,841 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:42:55,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:42:55,963 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:42:55,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55 WrapperNode [2018-11-18 08:42:55,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:42:55,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:42:55,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:42:55,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:42:55,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:42:55,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:42:55,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:42:55,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:42:55,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:55,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:56,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:56,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... [2018-11-18 08:42:56,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:42:56,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:42:56,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:42:56,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:42:56,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/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 [2018-11-18 08:42:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:42:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:42:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:42:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:42:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 08:42:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 08:42:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:42:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:42:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:42:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:42:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:42:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:42:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:42:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:42:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:42:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:42:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:42:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:42:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:42:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 08:42:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 08:42:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:42:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:42:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:42:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:42:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:42:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:42:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:42:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:42:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:42:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:42:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:42:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:42:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:42:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:42:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:42:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:42:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:42:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:42:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:42:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:42:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:42:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:42:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:42:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:42:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:42:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:42:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:42:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:42:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:42:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:42:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 08:42:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 08:42:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:42:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:42:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:42:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:42:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:42:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:42:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:42:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:42:56,447 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:42:56,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:56 BoogieIcfgContainer [2018-11-18 08:42:56,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:42:56,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:42:56,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:42:56,451 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:42:56,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:42:55" (1/3) ... [2018-11-18 08:42:56,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b008b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:42:56, skipping insertion in model container [2018-11-18 08:42:56,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:55" (2/3) ... [2018-11-18 08:42:56,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b008b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:42:56, skipping insertion in model container [2018-11-18 08:42:56,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:56" (3/3) ... [2018-11-18 08:42:56,454 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-18 08:42:56,462 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:42:56,468 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:42:56,480 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:42:56,505 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:42:56,505 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:42:56,505 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:42:56,505 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:42:56,505 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:42:56,505 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:42:56,505 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:42:56,505 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:42:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-18 08:42:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 08:42:56,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:56,521 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:56,523 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:56,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:56,527 INFO L82 PathProgramCache]: Analyzing trace with hash 808867747, now seen corresponding path program 1 times [2018-11-18 08:42:56,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:56,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:56,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:56,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:56,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:42:56,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:56,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:42:56,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:42:56,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:42:56,751 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-18 08:42:56,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:56,783 INFO L93 Difference]: Finished difference Result 278 states and 339 transitions. [2018-11-18 08:42:56,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:42:56,785 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 08:42:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:56,795 INFO L225 Difference]: With dead ends: 278 [2018-11-18 08:42:56,795 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 08:42:56,798 INFO L604 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 [2018-11-18 08:42:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 08:42:56,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-18 08:42:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 08:42:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-18 08:42:56,842 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 59 [2018-11-18 08:42:56,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:56,842 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-18 08:42:56,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:42:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-18 08:42:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 08:42:56,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:56,845 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:56,845 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:56,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:56,845 INFO L82 PathProgramCache]: Analyzing trace with hash 655904796, now seen corresponding path program 1 times [2018-11-18 08:42:56,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:56,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:56,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:56,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:56,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:42:56,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:56,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:42:56,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:42:56,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:42:56,930 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 3 states. [2018-11-18 08:42:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:56,947 INFO L93 Difference]: Finished difference Result 216 states and 249 transitions. [2018-11-18 08:42:56,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:42:56,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 08:42:56,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:56,950 INFO L225 Difference]: With dead ends: 216 [2018-11-18 08:42:56,950 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 08:42:56,951 INFO L604 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 [2018-11-18 08:42:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 08:42:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 08:42:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 08:42:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2018-11-18 08:42:56,961 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 61 [2018-11-18 08:42:56,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:56,961 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2018-11-18 08:42:56,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:42:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2018-11-18 08:42:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 08:42:56,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:56,963 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:56,963 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:56,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:56,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1622040395, now seen corresponding path program 1 times [2018-11-18 08:42:56,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:56,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:56,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:56,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:57,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:57,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:42:57,086 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:57,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:42:57,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:42:57,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:42:57,087 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 7 states. [2018-11-18 08:42:57,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:57,497 INFO L93 Difference]: Finished difference Result 394 states and 469 transitions. [2018-11-18 08:42:57,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:42:57,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 08:42:57,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:57,501 INFO L225 Difference]: With dead ends: 394 [2018-11-18 08:42:57,501 INFO L226 Difference]: Without dead ends: 291 [2018-11-18 08:42:57,502 INFO L604 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 [2018-11-18 08:42:57,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-18 08:42:57,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 271. [2018-11-18 08:42:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-11-18 08:42:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 321 transitions. [2018-11-18 08:42:57,530 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 321 transitions. Word has length 65 [2018-11-18 08:42:57,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:57,531 INFO L480 AbstractCegarLoop]: Abstraction has 271 states and 321 transitions. [2018-11-18 08:42:57,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:42:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 321 transitions. [2018-11-18 08:42:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 08:42:57,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:57,533 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:57,534 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:57,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash 662309625, now seen corresponding path program 1 times [2018-11-18 08:42:57,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:57,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:57,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:57,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:57,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:42:57,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:57,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:42:57,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:57,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:42:57,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:42:57,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:42:57,636 INFO L87 Difference]: Start difference. First operand 271 states and 321 transitions. Second operand 7 states. [2018-11-18 08:42:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:58,096 INFO L93 Difference]: Finished difference Result 680 states and 856 transitions. [2018-11-18 08:42:58,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:42:58,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 08:42:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:58,098 INFO L225 Difference]: With dead ends: 680 [2018-11-18 08:42:58,098 INFO L226 Difference]: Without dead ends: 437 [2018-11-18 08:42:58,099 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:42:58,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-18 08:42:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 387. [2018-11-18 08:42:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-18 08:42:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2018-11-18 08:42:58,127 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 71 [2018-11-18 08:42:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:58,127 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2018-11-18 08:42:58,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:42:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2018-11-18 08:42:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 08:42:58,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:58,130 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:58,130 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:58,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:58,130 INFO L82 PathProgramCache]: Analyzing trace with hash -49447127, now seen corresponding path program 1 times [2018-11-18 08:42:58,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:58,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:58,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:58,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:58,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:42:58,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:58,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:42:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:42:58,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:42:58,204 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand 6 states. [2018-11-18 08:42:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:58,234 INFO L93 Difference]: Finished difference Result 760 states and 926 transitions. [2018-11-18 08:42:58,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:42:58,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-18 08:42:58,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:58,237 INFO L225 Difference]: With dead ends: 760 [2018-11-18 08:42:58,237 INFO L226 Difference]: Without dead ends: 401 [2018-11-18 08:42:58,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:42:58,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-18 08:42:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 397. [2018-11-18 08:42:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-18 08:42:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 469 transitions. [2018-11-18 08:42:58,258 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 469 transitions. Word has length 103 [2018-11-18 08:42:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:58,259 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 469 transitions. [2018-11-18 08:42:58,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:42:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 469 transitions. [2018-11-18 08:42:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 08:42:58,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:58,261 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:58,261 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:58,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2098834969, now seen corresponding path program 1 times [2018-11-18 08:42:58,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:58,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:58,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:42:58,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:58,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:42:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:42:58,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:42:58,340 INFO L87 Difference]: Start difference. First operand 397 states and 469 transitions. Second operand 8 states. [2018-11-18 08:42:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:58,373 INFO L93 Difference]: Finished difference Result 780 states and 946 transitions. [2018-11-18 08:42:58,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:42:58,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-18 08:42:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:58,377 INFO L225 Difference]: With dead ends: 780 [2018-11-18 08:42:58,377 INFO L226 Difference]: Without dead ends: 411 [2018-11-18 08:42:58,378 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:42:58,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-11-18 08:42:58,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 405. [2018-11-18 08:42:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-11-18 08:42:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 477 transitions. [2018-11-18 08:42:58,394 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 477 transitions. Word has length 103 [2018-11-18 08:42:58,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:58,395 INFO L480 AbstractCegarLoop]: Abstraction has 405 states and 477 transitions. [2018-11-18 08:42:58,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:42:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 477 transitions. [2018-11-18 08:42:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 08:42:58,396 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:58,396 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:58,397 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:58,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1129253946, now seen corresponding path program 1 times [2018-11-18 08:42:58,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:58,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:58,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:58,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:58,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:42:58,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:58,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:42:58,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:42:58,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:42:58,468 INFO L87 Difference]: Start difference. First operand 405 states and 477 transitions. Second operand 4 states. [2018-11-18 08:42:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:58,625 INFO L93 Difference]: Finished difference Result 1264 states and 1561 transitions. [2018-11-18 08:42:58,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:42:58,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-18 08:42:58,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:58,628 INFO L225 Difference]: With dead ends: 1264 [2018-11-18 08:42:58,628 INFO L226 Difference]: Without dead ends: 887 [2018-11-18 08:42:58,629 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:42:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-11-18 08:42:58,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 870. [2018-11-18 08:42:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2018-11-18 08:42:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1051 transitions. [2018-11-18 08:42:58,661 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1051 transitions. Word has length 103 [2018-11-18 08:42:58,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:58,661 INFO L480 AbstractCegarLoop]: Abstraction has 870 states and 1051 transitions. [2018-11-18 08:42:58,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:42:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1051 transitions. [2018-11-18 08:42:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 08:42:58,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:58,663 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:58,664 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:58,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:58,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1708698624, now seen corresponding path program 1 times [2018-11-18 08:42:58,664 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:58,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:58,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:58,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:42:58,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:42:58,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 08:42:58,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:42:58,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:42:58,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:42:58,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:42:58,778 INFO L87 Difference]: Start difference. First operand 870 states and 1051 transitions. Second operand 9 states. [2018-11-18 08:42:59,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:42:59,341 INFO L93 Difference]: Finished difference Result 2402 states and 3033 transitions. [2018-11-18 08:42:59,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 08:42:59,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-11-18 08:42:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:42:59,347 INFO L225 Difference]: With dead ends: 2402 [2018-11-18 08:42:59,347 INFO L226 Difference]: Without dead ends: 1735 [2018-11-18 08:42:59,348 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:42:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2018-11-18 08:42:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1539. [2018-11-18 08:42:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2018-11-18 08:42:59,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1839 transitions. [2018-11-18 08:42:59,402 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1839 transitions. Word has length 107 [2018-11-18 08:42:59,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:42:59,403 INFO L480 AbstractCegarLoop]: Abstraction has 1539 states and 1839 transitions. [2018-11-18 08:42:59,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:42:59,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1839 transitions. [2018-11-18 08:42:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 08:42:59,405 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:42:59,405 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:42:59,405 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:42:59,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:42:59,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1326066119, now seen corresponding path program 1 times [2018-11-18 08:42:59,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:42:59,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:59,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:42:59,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:42:59,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:42:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:42:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:42:59,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:42:59,493 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:42:59,494 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 08:42:59,495 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [83], [90], [93], [94], [95], [99], [105], [109], [113], [116], [119], [121], [127], [129], [132], [148], [149], [150], [151], [152], [154], [159], [162], [163], [164], [165], [167], [172], [174], [175], [183], [184], [188], [191], [195], [201], [231], [235], [236], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [258], [259], [260], [261], [262], [263], [264], [265], [266], [270], [271], [272], [274], [275], [276], [277], [278], [279], [282], [283], [284], [285], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [312], [313], [314] [2018-11-18 08:42:59,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:42:59,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:43:00,806 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:43:00,807 INFO L272 AbstractInterpreter]: Visited 120 different actions 529 times. Merged at 16 different actions 44 times. Never widened. Performed 18037 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18037 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 08:43:00,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:00,832 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:43:00,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:43:00,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/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 [2018-11-18 08:43:00,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:00,843 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:43:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:43:00,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:43:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:43:01,109 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:43:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:43:01,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:43:01,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 08:43:01,419 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:43:01,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 08:43:01,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 08:43:01,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:43:01,421 INFO L87 Difference]: Start difference. First operand 1539 states and 1839 transitions. Second operand 16 states. [2018-11-18 08:43:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:43:02,710 INFO L93 Difference]: Finished difference Result 2918 states and 3613 transitions. [2018-11-18 08:43:02,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 08:43:02,711 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-11-18 08:43:02,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:43:02,718 INFO L225 Difference]: With dead ends: 2918 [2018-11-18 08:43:02,718 INFO L226 Difference]: Without dead ends: 1576 [2018-11-18 08:43:02,722 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 08:43:02,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-18 08:43:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1154. [2018-11-18 08:43:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-11-18 08:43:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1338 transitions. [2018-11-18 08:43:02,798 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1338 transitions. Word has length 151 [2018-11-18 08:43:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:43:02,798 INFO L480 AbstractCegarLoop]: Abstraction has 1154 states and 1338 transitions. [2018-11-18 08:43:02,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 08:43:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1338 transitions. [2018-11-18 08:43:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 08:43:02,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:43:02,803 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:43:02,804 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:43:02,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:02,804 INFO L82 PathProgramCache]: Analyzing trace with hash 38305564, now seen corresponding path program 1 times [2018-11-18 08:43:02,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:43:02,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:02,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:02,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:02,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:43:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:43:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-18 08:43:02,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:43:02,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:43:02,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:43:02,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:43:02,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:43:02,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:43:02,897 INFO L87 Difference]: Start difference. First operand 1154 states and 1338 transitions. Second operand 3 states. [2018-11-18 08:43:02,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:43:02,978 INFO L93 Difference]: Finished difference Result 1343 states and 1566 transitions. [2018-11-18 08:43:02,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:43:02,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2018-11-18 08:43:02,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:43:02,980 INFO L225 Difference]: With dead ends: 1343 [2018-11-18 08:43:02,980 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:43:02,982 INFO L604 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 [2018-11-18 08:43:02,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:43:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:43:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:43:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:43:02,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2018-11-18 08:43:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:43:02,983 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:43:02,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:43:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:43:02,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:43:02,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:43:03,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:43:03,468 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-18 08:43:03,856 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-11-18 08:43:03,992 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2018-11-18 08:43:04,130 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-11-18 08:43:04,293 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 51 [2018-11-18 08:43:05,079 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-18 08:43:05,232 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2018-11-18 08:43:05,232 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-18 08:43:05,232 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2018-11-18 08:43:05,232 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2018-11-18 08:43:05,232 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2018-11-18 08:43:05,232 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or (not (= ~systemActive~0 0)) .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse3 .cse2))) [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point L898-1(line 898) no Hoare annotation was computed. [2018-11-18 08:43:05,233 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2018-11-18 08:43:05,233 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L421 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~systemActive~0 0)) (or .cse3 .cse4)))) [2018-11-18 08:43:05,234 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 911) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L421 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~systemActive~0 0)) .cse2 (or .cse3 .cse1)) (or .cse3 .cse0 .cse2 .cse1))) [2018-11-18 08:43:05,234 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L425 ceAbstractionStarter]: For program point L900(lines 900 917) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L425 ceAbstractionStarter]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2018-11-18 08:43:05,234 INFO L428 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: true [2018-11-18 08:43:05,235 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,235 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-18 08:43:05,235 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,235 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,235 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-18 08:43:05,235 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-18 08:43:05,235 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 08:43:05,235 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,236 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,236 INFO L421 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,236 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-18 08:43:05,236 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2018-11-18 08:43:05,236 INFO L421 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 0)) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 08:43:05,236 INFO L425 ceAbstractionStarter]: For program point L765(lines 765 771) no Hoare annotation was computed. [2018-11-18 08:43:05,236 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (not (= |old(~systemActive~0)| 0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (or .cse2 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse3 (and .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse3 .cse4 .cse1)))) [2018-11-18 08:43:05,236 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2018-11-18 08:43:05,237 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2018-11-18 08:43:05,237 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 08:43:05,237 INFO L421 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:43:05,237 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-18 08:43:05,237 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L428 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 867) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2018-11-18 08:43:05,238 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2018-11-18 08:43:05,238 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~5 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 08:43:05,239 INFO L421 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L421 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 08:43:05,239 INFO L421 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-18 08:43:05,239 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-18 08:43:05,239 INFO L421 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~systemActive~0 0) .cse4 .cse3 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 08:43:05,240 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L421 ceAbstractionStarter]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~systemActive~0 0) .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 08:43:05,240 INFO L421 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (and .cse0 .cse6 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5 .cse6 .cse1) (and .cse5 .cse6 .cse1 .cse2) (and .cse3 (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 523 570) no Hoare annotation was computed. [2018-11-18 08:43:05,240 INFO L421 ceAbstractionStarter]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:43:05,240 INFO L421 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (= ~pumpRunning~0 1) .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 08:43:05,240 INFO L425 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L421 ceAbstractionStarter]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and .cse4 .cse3)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point L524(lines 523 570) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point L553(lines 553 566) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 674) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2018-11-18 08:43:05,241 INFO L421 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 08:43:05,241 INFO L425 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 08:43:05,242 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point L751(lines 751 755) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L428 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: true [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2018-11-18 08:43:05,242 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L421 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse5 .cse4) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse6) (and .cse3 .cse5 .cse4)) (or (or .cse0 .cse1 .cse7) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-18 08:43:05,243 INFO L421 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= ~systemActive~0 0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse2 .cse5 .cse4) (and .cse6 .cse5) (or .cse0 .cse1 .cse7)) (or (and .cse6 .cse4) .cse8 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse8) (and .cse3 .cse6 .cse4)) (or .cse5 .cse9 (or .cse0 .cse7)) (or .cse9 (and .cse2 (or (= ~waterLevel~0 1) .cse5) .cse4) .cse0))) [2018-11-18 08:43:05,243 INFO L421 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0) (or (and .cse3 .cse4 .cse5) (or (or .cse1 .cse2) .cse6)) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point L599(lines 595 617) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point L597(lines 595 617) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= ~systemActive~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5 .cse6) (or .cse4 (and .cse7 (= 1 ~waterLevel~0)) .cse2 .cse5) (or (and .cse8 .cse6) .cse1 .cse2 .cse3) (or .cse9 (and .cse7 (or (= ~waterLevel~0 1) .cse0)) .cse4) (or (or (or .cse2 .cse10) .cse1) (and .cse8 .cse0)) (or .cse9 .cse0 (or .cse4 .cse10)) (or (and .cse7 .cse0) (or .cse4 .cse2 .cse10)) (or .cse9 .cse6 (or .cse4 .cse3)))) [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 08:43:05,243 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 08:43:05,244 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:43:05,244 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 08:43:05,244 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-11-18 08:43:05,245 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (or (= ~waterLevel~0 1) .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or .cse2 .cse1 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse0) (or (or .cse0 .cse1) .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse6 .cse7) (or .cse6 .cse5 .cse4 .cse0 .cse7)))) [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2018-11-18 08:43:05,245 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2018-11-18 08:43:05,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2018-11-18 08:43:05,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:43:05 BoogieIcfgContainer [2018-11-18 08:43:05,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:43:05,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:43:05,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:43:05,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:43:05,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:56" (3/4) ... [2018-11-18 08:43:05,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:43:05,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:43:05,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:43:05,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:43:05,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:43:05,269 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 08:43:05,270 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:43:05,270 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:43:05,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-18 08:43:05,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 08:43:05,328 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5e67761-e445-4e40-9f03-efa0b712ef32/bin-2019/utaipan/witness.graphml [2018-11-18 08:43:05,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:43:05,328 INFO L168 Benchmark]: Toolchain (without parser) took 9737.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.2 MB). Free memory was 956.4 MB in the beginning and 863.5 MB in the end (delta: 93.0 MB). Peak memory consumption was 518.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:43:05,329 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:43:05,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:43:05,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.14 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. [2018-11-18 08:43:05,330 INFO L168 Benchmark]: Boogie Preprocessor took 23.10 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. [2018-11-18 08:43:05,330 INFO L168 Benchmark]: RCFGBuilder took 440.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:43:05,330 INFO L168 Benchmark]: TraceAbstraction took 8807.52 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 875.7 MB in the end (delta: 133.7 MB). Peak memory consumption was 476.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:43:05,330 INFO L168 Benchmark]: Witness Printer took 71.65 ms. Allocated memory is still 1.5 GB. Free memory was 875.7 MB in the beginning and 863.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:43:05,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.14 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. * Boogie Preprocessor took 23.10 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 440.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8807.52 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 875.7 MB in the end (delta: 133.7 MB). Peak memory consumption was 476.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.65 ms. Allocated memory is still 1.5 GB. Free memory was 875.7 MB in the beginning and 863.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 154 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1891 SDtfs, 1480 SDslu, 5341 SDs, 0 SdLazy, 2431 SolverSat, 467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 332 SyntacticMatches, 6 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1539occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 715 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1797 PreInvPairs, 1874 NumberOfFragments, 2037 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 4572 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7654 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1249 NumberOfCodeBlocks, 1249 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1388 ConstructedInterpolants, 0 QuantifiedInterpolants, 291252 SizeOfPredicates, 4 NumberOfNonLiveVariables, 806 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 380/403 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...