./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/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 b6539c3f80a02f7679497281344dc3da1a82da6c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:22:22,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:22:22,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:22:22,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:22:22,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:22:22,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:22:22,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:22:22,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:22:22,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:22:22,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:22:22,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:22:22,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:22:22,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:22:22,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:22:22,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:22:22,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:22:22,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:22:22,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:22:22,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:22:22,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:22:22,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:22:22,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:22:22,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:22:22,158 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:22:22,158 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:22:22,159 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:22:22,160 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:22:22,160 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:22:22,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:22:22,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:22:22,161 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:22:22,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:22:22,162 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:22:22,162 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:22:22,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:22:22,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:22:22,163 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:22:22,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:22:22,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:22:22,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:22:22,170 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:22:22,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:22:22,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:22:22,171 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:22:22,172 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:22:22,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:22:22,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:22:22,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:22:22,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:22:22,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:22:22,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:22:22,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:22:22,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:22:22,175 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:22:22,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:22:22,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:22:22,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:22:22,175 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_e40177c6-b53d-4a4b-a763-2301df890da5/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-12-09 19:22:22,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:22:22,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:22:22,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:22:22,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:22:22,200 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:22:22,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:22:22,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/data/602207580/66f0bbdcbe8b49f7b4a6c409cec42a72/FLAG96ad26e45 [2018-12-09 19:22:22,654 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:22:22,655 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:22:22,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/data/602207580/66f0bbdcbe8b49f7b4a6c409cec42a72/FLAG96ad26e45 [2018-12-09 19:22:22,670 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/data/602207580/66f0bbdcbe8b49f7b4a6c409cec42a72 [2018-12-09 19:22:22,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:22:22,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:22:22,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:22:22,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:22:22,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:22:22,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22, skipping insertion in model container [2018-12-09 19:22:22,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:22:22,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:22:22,849 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:22:22,891 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:22:22,933 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:22:22,949 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:22:22,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22 WrapperNode [2018-12-09 19:22:22,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:22:22,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:22:22,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:22:22,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:22:22,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:22:22,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:22:22,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:22:22,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:22:22,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... [2018-12-09 19:22:22,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:22:22,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:22:22,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:22:22,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:22:22,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:22:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:22:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:22:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:22:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:22:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:22:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:22:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:22:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:22:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:22:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:22:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:22:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:22:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:22:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:22:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:22:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:22:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:22:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:22:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:22:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:22:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:22:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:22:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:22:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:22:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:22:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:22:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:22:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:22:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:22:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:22:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:22:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:22:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:22:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:22:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:22:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:22:23,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:22:23,331 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:22:23,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:22:23 BoogieIcfgContainer [2018-12-09 19:22:23,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:22:23,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:22:23,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:22:23,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:22:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:22:22" (1/3) ... [2018-12-09 19:22:23,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d414f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:22:23, skipping insertion in model container [2018-12-09 19:22:23,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:22:22" (2/3) ... [2018-12-09 19:22:23,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d414f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:22:23, skipping insertion in model container [2018-12-09 19:22:23,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:22:23" (3/3) ... [2018-12-09 19:22:23,338 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:22:23,346 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:22:23,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:22:23,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:22:23,384 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:22:23,384 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:22:23,384 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:22:23,384 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:22:23,384 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:22:23,384 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:22:23,384 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:22:23,384 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:22:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-12-09 19:22:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:22:23,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:23,405 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:23,407 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:23,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:23,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-12-09 19:22:23,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:23,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:23,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:23,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:23,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:22:23,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:23,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:22:23,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:22:23,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:22:23,584 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-12-09 19:22:23,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:23,608 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-12-09 19:22:23,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:22:23,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 19:22:23,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:23,616 INFO L225 Difference]: With dead ends: 294 [2018-12-09 19:22:23,616 INFO L226 Difference]: Without dead ends: 149 [2018-12-09 19:22:23,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:22:23,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-09 19:22:23,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-09 19:22:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-09 19:22:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-12-09 19:22:23,650 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-12-09 19:22:23,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:23,650 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-12-09 19:22:23,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:22:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-12-09 19:22:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:22:23,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:23,652 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:23,652 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:23,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:23,652 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-12-09 19:22:23,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:23,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:23,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:23,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:23,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:22:23,706 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:23,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:22:23,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:22:23,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:22:23,707 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-12-09 19:22:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:23,723 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-09 19:22:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:22:23,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 19:22:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:23,725 INFO L225 Difference]: With dead ends: 239 [2018-12-09 19:22:23,726 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 19:22:23,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:22:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 19:22:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 19:22:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 19:22:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-12-09 19:22:23,737 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-12-09 19:22:23,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:23,738 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-12-09 19:22:23,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:22:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-12-09 19:22:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:22:23,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:23,739 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:23,739 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:23,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:23,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-12-09 19:22:23,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:23,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:23,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:23,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:23,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:23,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:22:23,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:23,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:22:23,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:22:23,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:22:23,815 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-12-09 19:22:23,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:23,992 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-12-09 19:22:23,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:22:23,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 19:22:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:23,994 INFO L225 Difference]: With dead ends: 252 [2018-12-09 19:22:23,994 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 19:22:23,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:22:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 19:22:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 19:22:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 19:22:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-12-09 19:22:24,002 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-12-09 19:22:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:24,002 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-12-09 19:22:24,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:22:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-12-09 19:22:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:22:24,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:24,003 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:24,003 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:24,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:24,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-12-09 19:22:24,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:24,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:24,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:24,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:24,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:22:24,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:24,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:22:24,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:22:24,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:22:24,069 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-12-09 19:22:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:24,363 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-12-09 19:22:24,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:22:24,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 19:22:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:24,365 INFO L225 Difference]: With dead ends: 355 [2018-12-09 19:22:24,365 INFO L226 Difference]: Without dead ends: 243 [2018-12-09 19:22:24,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:22:24,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-09 19:22:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-12-09 19:22:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-09 19:22:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-12-09 19:22:24,381 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-12-09 19:22:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:24,381 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-12-09 19:22:24,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:22:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-12-09 19:22:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:22:24,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:24,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:24,383 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:24,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:24,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-12-09 19:22:24,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:24,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:24,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:24,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:24,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:22:24,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:24,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:22:24,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:22:24,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:22:24,440 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-12-09 19:22:24,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:24,598 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-12-09 19:22:24,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:22:24,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-09 19:22:24,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:24,602 INFO L225 Difference]: With dead ends: 751 [2018-12-09 19:22:24,602 INFO L226 Difference]: Without dead ends: 555 [2018-12-09 19:22:24,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:22:24,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-12-09 19:22:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-12-09 19:22:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-09 19:22:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-12-09 19:22:24,637 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-12-09 19:22:24,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:24,637 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-12-09 19:22:24,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:22:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-12-09 19:22:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:22:24,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:24,639 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:24,639 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:24,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-12-09 19:22:24,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:24,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:24,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:22:24,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:24,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:22:24,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:22:24,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:22:24,700 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-12-09 19:22:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:24,828 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-12-09 19:22:24,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:22:24,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 19:22:24,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:24,832 INFO L225 Difference]: With dead ends: 1530 [2018-12-09 19:22:24,832 INFO L226 Difference]: Without dead ends: 1015 [2018-12-09 19:22:24,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:22:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-12-09 19:22:24,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-12-09 19:22:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-12-09 19:22:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-12-09 19:22:24,874 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-12-09 19:22:24,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:24,875 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-12-09 19:22:24,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:22:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-12-09 19:22:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:22:24,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:24,876 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:24,877 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:24,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:24,877 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-12-09 19:22:24,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:24,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:24,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:24,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:22:24,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:24,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:22:24,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:24,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:22:24,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:22:24,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:22:24,944 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-12-09 19:22:25,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:25,329 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-12-09 19:22:25,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 19:22:25,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-09 19:22:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:25,333 INFO L225 Difference]: With dead ends: 2059 [2018-12-09 19:22:25,333 INFO L226 Difference]: Without dead ends: 1088 [2018-12-09 19:22:25,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:22:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-12-09 19:22:25,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-12-09 19:22:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-12-09 19:22:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-12-09 19:22:25,366 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-12-09 19:22:25,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:25,367 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-12-09 19:22:25,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:22:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-12-09 19:22:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:22:25,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:25,368 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:25,368 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:25,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-12-09 19:22:25,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:25,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:25,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,369 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:22:25,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:25,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:22:25,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:25,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:22:25,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:22:25,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:22:25,409 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-12-09 19:22:25,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:25,448 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-12-09 19:22:25,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:22:25,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 19:22:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:25,451 INFO L225 Difference]: With dead ends: 2006 [2018-12-09 19:22:25,452 INFO L226 Difference]: Without dead ends: 1038 [2018-12-09 19:22:25,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:22:25,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-12-09 19:22:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-12-09 19:22:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-12-09 19:22:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-12-09 19:22:25,482 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-12-09 19:22:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:25,482 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-12-09 19:22:25,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:22:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-12-09 19:22:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:22:25,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:25,484 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:25,484 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:25,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:25,484 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-12-09 19:22:25,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:25,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:25,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:22:25,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:22:25,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:22:25,544 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:25,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:22:25,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:22:25,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:22:25,545 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-12-09 19:22:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:25,583 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-12-09 19:22:25,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:22:25,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-09 19:22:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:25,587 INFO L225 Difference]: With dead ends: 1822 [2018-12-09 19:22:25,587 INFO L226 Difference]: Without dead ends: 824 [2018-12-09 19:22:25,590 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:22:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-12-09 19:22:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-12-09 19:22:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-12-09 19:22:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-12-09 19:22:25,633 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-12-09 19:22:25,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:25,634 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-12-09 19:22:25,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:22:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-12-09 19:22:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:22:25,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:25,636 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:25,636 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:25,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:25,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-12-09 19:22:25,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:25,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:25,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:25,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:22:25,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:25,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:25,739 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 19:22:25,740 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [92], [95], [100], [106], [109], [119], [120], [123], [125], [128], [130], [133], [136], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [212], [216], [223], [224], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-09 19:22:25,766 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:25,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:26,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:22:26,093 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-09 19:22:26,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:26,104 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:22:26,336 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-09 19:22:26,336 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:22:26,477 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 19:22:26,477 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:22:26,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:22:26,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-09 19:22:26,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:26,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 19:22:26,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 19:22:26,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-09 19:22:26,479 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 22 states. [2018-12-09 19:22:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:29,641 INFO L93 Difference]: Finished difference Result 2074 states and 2441 transitions. [2018-12-09 19:22:29,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-09 19:22:29,641 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2018-12-09 19:22:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:29,646 INFO L225 Difference]: With dead ends: 2074 [2018-12-09 19:22:29,646 INFO L226 Difference]: Without dead ends: 1278 [2018-12-09 19:22:29,649 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-12-09 19:22:29,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2018-12-09 19:22:29,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1272. [2018-12-09 19:22:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-12-09 19:22:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1459 transitions. [2018-12-09 19:22:29,706 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1459 transitions. Word has length 108 [2018-12-09 19:22:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:29,706 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1459 transitions. [2018-12-09 19:22:29,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 19:22:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1459 transitions. [2018-12-09 19:22:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 19:22:29,710 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:29,710 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:29,710 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:29,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:29,711 INFO L82 PathProgramCache]: Analyzing trace with hash 2128918407, now seen corresponding path program 1 times [2018-12-09 19:22:29,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:29,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:29,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:29,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:29,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:22:29,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:29,792 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:29,793 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-12-09 19:22:29,793 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-09 19:22:29,797 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:29,797 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:30,801 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:22:30,801 INFO L272 AbstractInterpreter]: Visited 135 different actions 656 times. Merged at 17 different actions 49 times. Never widened. Performed 28962 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28962 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-09 19:22:30,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:30,804 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:22:31,022 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 97.86% of their original sizes. [2018-12-09 19:22:31,023 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:22:31,130 INFO L418 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-12-09 19:22:31,130 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:22:31,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:22:31,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [5] total 29 [2018-12-09 19:22:31,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:31,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-09 19:22:31,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-09 19:22:31,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2018-12-09 19:22:31,131 INFO L87 Difference]: Start difference. First operand 1272 states and 1459 transitions. Second operand 26 states. [2018-12-09 19:22:41,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:41,383 INFO L93 Difference]: Finished difference Result 3934 states and 4798 transitions. [2018-12-09 19:22:41,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-09 19:22:41,383 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 166 [2018-12-09 19:22:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:41,391 INFO L225 Difference]: With dead ends: 3934 [2018-12-09 19:22:41,391 INFO L226 Difference]: Without dead ends: 2972 [2018-12-09 19:22:41,394 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2557 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=965, Invalid=6867, Unknown=0, NotChecked=0, Total=7832 [2018-12-09 19:22:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2018-12-09 19:22:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2294. [2018-12-09 19:22:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2018-12-09 19:22:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2652 transitions. [2018-12-09 19:22:41,479 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2652 transitions. Word has length 166 [2018-12-09 19:22:41,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:41,480 INFO L480 AbstractCegarLoop]: Abstraction has 2294 states and 2652 transitions. [2018-12-09 19:22:41,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-09 19:22:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2652 transitions. [2018-12-09 19:22:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 19:22:41,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:41,484 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:41,484 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:41,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:41,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1991563754, now seen corresponding path program 1 times [2018-12-09 19:22:41,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:41,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:41,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:41,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:41,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 19:22:41,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:41,579 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:41,579 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 19:22:41,580 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-09 19:22:41,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:41,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:42,875 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:22:42,875 INFO L272 AbstractInterpreter]: Visited 139 different actions 1225 times. Merged at 23 different actions 135 times. Widened at 1 different actions 1 times. Performed 41274 root evaluator evaluations with a maximum evaluation depth of 5. Performed 41274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 33 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 19:22:42,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:42,878 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:22:42,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:42,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:22:42,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:42,884 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:22:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:42,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:22:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:22:43,120 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:22:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 19:22:43,480 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:22:43,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-12-09 19:22:43,480 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:22:43,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 19:22:43,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 19:22:43,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-12-09 19:22:43,481 INFO L87 Difference]: Start difference. First operand 2294 states and 2652 transitions. Second operand 16 states. [2018-12-09 19:22:44,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:44,678 INFO L93 Difference]: Finished difference Result 5425 states and 7107 transitions. [2018-12-09 19:22:44,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-09 19:22:44,678 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-12-09 19:22:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:44,687 INFO L225 Difference]: With dead ends: 5425 [2018-12-09 19:22:44,687 INFO L226 Difference]: Without dead ends: 3644 [2018-12-09 19:22:44,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=327, Invalid=1155, Unknown=0, NotChecked=0, Total=1482 [2018-12-09 19:22:44,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2018-12-09 19:22:44,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 3046. [2018-12-09 19:22:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3046 states. [2018-12-09 19:22:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 3527 transitions. [2018-12-09 19:22:44,798 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 3527 transitions. Word has length 223 [2018-12-09 19:22:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:44,798 INFO L480 AbstractCegarLoop]: Abstraction has 3046 states and 3527 transitions. [2018-12-09 19:22:44,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 19:22:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3527 transitions. [2018-12-09 19:22:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 19:22:44,803 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:44,803 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:22:44,803 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:44,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:44,835 INFO L82 PathProgramCache]: Analyzing trace with hash -457412648, now seen corresponding path program 1 times [2018-12-09 19:22:44,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:44,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:44,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:44,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:44,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 19:22:44,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:44,925 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:44,925 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-09 19:22:44,925 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [261], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-09 19:22:44,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:44,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:46,194 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:22:46,194 INFO L272 AbstractInterpreter]: Visited 141 different actions 1248 times. Merged at 28 different actions 150 times. Widened at 1 different actions 1 times. Performed 40150 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40150 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 43 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 19:22:46,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:46,196 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:22:46,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:46,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:22:46,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:46,202 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:22:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:46,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:22:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 19:22:46,384 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:22:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 19:22:46,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:22:46,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 19:22:46,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:46,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:22:46,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:22:46,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:22:46,584 INFO L87 Difference]: Start difference. First operand 3046 states and 3527 transitions. Second operand 6 states. [2018-12-09 19:22:46,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:46,643 INFO L93 Difference]: Finished difference Result 3978 states and 4593 transitions. [2018-12-09 19:22:46,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:22:46,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-09 19:22:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:46,648 INFO L225 Difference]: With dead ends: 3978 [2018-12-09 19:22:46,648 INFO L226 Difference]: Without dead ends: 1554 [2018-12-09 19:22:46,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 449 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:22:46,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-12-09 19:22:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1554. [2018-12-09 19:22:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2018-12-09 19:22:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1762 transitions. [2018-12-09 19:22:46,706 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1762 transitions. Word has length 227 [2018-12-09 19:22:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:46,707 INFO L480 AbstractCegarLoop]: Abstraction has 1554 states and 1762 transitions. [2018-12-09 19:22:46,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:22:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1762 transitions. [2018-12-09 19:22:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 19:22:46,710 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:46,711 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:22:46,711 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:46,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:46,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1279572304, now seen corresponding path program 1 times [2018-12-09 19:22:46,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:46,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:46,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:46,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:46,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 19:22:46,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:46,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:46,798 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-12-09 19:22:46,798 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [63], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [168], [170], [172], [173], [176], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [247], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [333], [334], [335], [336] [2018-12-09 19:22:46,799 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:46,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:49,742 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:22:49,742 INFO L272 AbstractInterpreter]: Visited 145 different actions 2659 times. Merged at 40 different actions 657 times. Widened at 1 different actions 1 times. Performed 87107 root evaluator evaluations with a maximum evaluation depth of 5. Performed 87107 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 119 fixpoints after 13 different actions. Largest state had 135 variables. [2018-12-09 19:22:49,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:49,745 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:22:49,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:49,745 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:22:49,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:49,751 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:22:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:49,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:22:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-09 19:22:49,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:22:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 19:22:50,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:22:50,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-12-09 19:22:50,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:22:50,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:22:50,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:22:50,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:22:50,147 INFO L87 Difference]: Start difference. First operand 1554 states and 1762 transitions. Second operand 6 states. [2018-12-09 19:22:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:50,300 INFO L93 Difference]: Finished difference Result 2945 states and 3383 transitions. [2018-12-09 19:22:50,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:22:50,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 283 [2018-12-09 19:22:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:50,303 INFO L225 Difference]: With dead ends: 2945 [2018-12-09 19:22:50,303 INFO L226 Difference]: Without dead ends: 1482 [2018-12-09 19:22:50,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 555 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:22:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-12-09 19:22:50,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1470. [2018-12-09 19:22:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2018-12-09 19:22:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1644 transitions. [2018-12-09 19:22:50,347 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1644 transitions. Word has length 283 [2018-12-09 19:22:50,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:50,348 INFO L480 AbstractCegarLoop]: Abstraction has 1470 states and 1644 transitions. [2018-12-09 19:22:50,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:22:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1644 transitions. [2018-12-09 19:22:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:22:50,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:22:50,351 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:22:50,351 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:22:50,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:50,351 INFO L82 PathProgramCache]: Analyzing trace with hash 106727938, now seen corresponding path program 1 times [2018-12-09 19:22:50,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:22:50,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:50,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:50,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:22:50,352 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:22:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 93 proven. 8 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 19:22:50,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:50,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:22:50,441 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-12-09 19:22:50,441 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [39], [40], [41], [44], [46], [49], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-09 19:22:50,442 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:22:50,442 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:22:52,366 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:22:52,366 INFO L272 AbstractInterpreter]: Visited 145 different actions 1724 times. Merged at 27 different actions 214 times. Widened at 1 different actions 1 times. Performed 63407 root evaluator evaluations with a maximum evaluation depth of 5. Performed 63407 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 53 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 19:22:52,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:22:52,368 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:22:52,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:22:52,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:22:52,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:22:52,374 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:22:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:22:52,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:22:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 198 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 19:22:52,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:22:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 96 proven. 23 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-12-09 19:22:52,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:22:52,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 25 [2018-12-09 19:22:52,929 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:22:52,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 19:22:52,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 19:22:52,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:22:52,930 INFO L87 Difference]: Start difference. First operand 1470 states and 1644 transitions. Second operand 20 states. [2018-12-09 19:22:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:22:54,785 INFO L93 Difference]: Finished difference Result 2453 states and 2948 transitions. [2018-12-09 19:22:54,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-09 19:22:54,785 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 286 [2018-12-09 19:22:54,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:22:54,786 INFO L225 Difference]: With dead ends: 2453 [2018-12-09 19:22:54,786 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:22:54,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 570 SyntacticMatches, 12 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=612, Invalid=2928, Unknown=0, NotChecked=0, Total=3540 [2018-12-09 19:22:54,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:22:54,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:22:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:22:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:22:54,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2018-12-09 19:22:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:22:54,790 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:22:54,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 19:22:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:22:54,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:22:54,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:22:54,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:54,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:22:55,692 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-09 19:22:55,912 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 30 [2018-12-09 19:22:56,119 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2018-12-09 19:22:56,276 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 34 [2018-12-09 19:22:56,405 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-12-09 19:22:56,515 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2018-12-09 19:22:56,773 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 42 [2018-12-09 19:22:56,955 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-12-09 19:22:57,135 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2018-12-09 19:22:57,390 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-12-09 19:22:57,587 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2018-12-09 19:22:57,774 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2018-12-09 19:22:58,086 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-12-09 19:22:58,588 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 42 [2018-12-09 19:22:58,917 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2018-12-09 19:22:59,124 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-12-09 19:22:59,580 WARN L180 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 46 [2018-12-09 19:22:59,817 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2018-12-09 19:22:59,954 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-12-09 19:23:00,187 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-12-09 19:23:00,208 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-12-09 19:23:00,208 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-12-09 19:23:00,208 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-12-09 19:23:00,209 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-12-09 19:23:00,210 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,210 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-12-09 19:23:00,210 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse3) (or .cse3 (not (= ~waterLevel~0 0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2))) [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-12-09 19:23:00,210 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not .cse2)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse1 .cse8) (or .cse5 .cse7 .cse6 .cse1 .cse8 .cse3) (or .cse4 .cse0 .cse1 .cse8 .cse2)))) [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse7)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (or .cse3 .cse7) .cse8 .cse5) (or .cse0 .cse6 .cse8 .cse3 .cse4)))) [2018-12-09 19:23:00,211 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse10)) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (<= 1 processEnvironment_~tmp~5)) (.cse6 (and (= 0 ~waterLevel~0) .cse8)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 (and .cse7 .cse8) .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or .cse5 (or .cse3 .cse10) (and .cse8 .cse7) .cse6 .cse9)))) [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse3 .cse5) .cse2 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3 .cse4) (or .cse7 .cse2 .cse8 .cse3 .cse4 .cse6)))) [2018-12-09 19:23:00,211 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse7)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse5 (or .cse3 .cse7) .cse6 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse8)))) [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-12-09 19:23:00,211 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-12-09 19:23:00,211 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 2) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse8 .cse4 .cse5) (and (and (and .cse6 .cse4 (not .cse8) .cse5) .cse1) .cse2) (and .cse0 .cse7 .cse3 .cse8 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 2) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse8 .cse4 .cse5) (and (and (and .cse6 .cse4 (not .cse8) .cse5) .cse1) .cse2) (and .cse0 .cse7 .cse3 .cse8 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (= ~waterLevel~0 2) (= ~methaneLevelCritical~0 0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 1) .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= ~waterLevel~0 2) .cse3 (= ~methaneLevelCritical~0 1) .cse1 .cse2))) [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4) .cse5))) [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:00,212 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-12-09 19:23:00,212 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse1 (< 2 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not .cse7)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse2 .cse4 .cse6) (or .cse2 (not (= ~waterLevel~0 0)) .cse3 .cse4 .cse7) (or .cse1 .cse5 (not (= 1 ~pumpRunning~0)) .cse3 .cse2 .cse4 .cse6) (or .cse0 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse6 .cse2)))) [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse1 (< 2 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not .cse7)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse2 .cse4 .cse6) (or .cse2 (not (= ~waterLevel~0 0)) .cse3 .cse4 .cse7) (or .cse1 .cse5 (not (= 1 ~pumpRunning~0)) .cse3 .cse2 .cse4 .cse6) (or .cse0 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse6 .cse2)))) [2018-12-09 19:23:00,213 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 2 ~waterLevel~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse1 .cse2 .cse3) (or .cse6 (or .cse1 .cse2)) (or .cse4 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse5) (or .cse7 (or .cse1 .cse2 .cse5)) (or (or .cse2 .cse5) .cse6))) [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0))) (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not .cse4)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse5 .cse6 .cse2 (and (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~9) .cse0) .cse3) (or .cse6 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse7) (or (< 1 ~waterLevel~0) (or .cse5 .cse2 .cse7)) (or (or .cse2 .cse7) .cse1)))) [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-12-09 19:23:00,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse2 (or .cse0 .cse3 .cse4) (= ~methaneLevelCritical~0 1)) (or .cse2 (< ~waterLevel~0 2) .cse1 (or .cse3 .cse4) .cse5))) [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-09 19:23:00,214 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse11)) (.cse1 (and .cse12 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse1 .cse3 .cse4) (or (and .cse7 .cse8 .cse9) .cse2 (or .cse10 (or .cse3 .cse11)) .cse5) (or .cse2 (and .cse12 .cse7 .cse8 .cse9) .cse10 (or .cse6 .cse3 .cse4 .cse11))))) [2018-12-09 19:23:00,215 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not .cse9)) (.cse10 (and .cse0 .cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~systemActive~0 1))) (.cse13 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (or .cse6 .cse7 .cse8 .cse9)) (or .cse10 (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse11) .cse12 .cse4 .cse7 .cse8 .cse13) (or .cse6 .cse12 .cse4 .cse10 .cse7 .cse8) (or (and .cse1 .cse2 .cse3) .cse4 (or .cse5 (or .cse7 .cse9)) .cse13)))) [2018-12-09 19:23:00,215 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse8 (not .cse5)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 (or .cse4 .cse5)) .cse6) (or .cse7 .cse8 .cse0 .cse4 .cse9) (or .cse8 .cse0 .cse4 .cse9 .cse6) (or .cse0 (and (= ~methAndRunningLastTime~0 0) .cse2 .cse1) .cse3 (or .cse7 .cse4 .cse9))))) [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not .cse5)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (and (= ~methAndRunningLastTime~0 0) .cse2 .cse1)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 (or .cse4 .cse5)) .cse6) (or .cse7 .cse8 .cse0 .cse4 .cse9 .cse6) (or .cse8 .cse10 (< 1 |old(~waterLevel~0)|) .cse7 .cse4 .cse9) (or .cse0 .cse8 .cse3 (or .cse10 .cse4 .cse9))))) [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-12-09 19:23:00,215 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-09 19:23:00,215 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (or (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) .cse4)) (or (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3) .cse0 .cse1 .cse4))) [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 19:23:00,216 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= ~waterLevel~0 2))) (.cse1 (not .cse6)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 (or .cse0 .cse1 .cse3 .cse4 .cse7)) (or .cse2 (or .cse1 .cse3 .cse4 .cse8 .cse7)) (or .cse1 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4 .cse8) (or (or .cse3 .cse8 .cse6) .cse5)))) [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~waterLevel~0 0))) (.cse5 (not .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse5 .cse6 .cse4 .cse0 .cse7) (or .cse4 .cse3 .cse0 .cse7 .cse2) (or .cse5 .cse4 .cse6 .cse0 .cse7 .cse1)))) [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~waterLevel~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or (and .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< 2 ~waterLevel~0) .cse1 .cse2 (and (<= 2 ~waterLevel~0) .cse6 .cse7)) (or (or .cse1 .cse3 .cse5) .cse4)))) [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (not .cse3)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse5 .cse6 .cse1 .cse2) (or .cse4 .cse6 .cse5 .cse1 .cse2 .cse7) (or (or .cse1 .cse7 .cse3) .cse0)))) [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-12-09 19:23:00,216 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse0 (not .cse5)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (or .cse2 .cse4 .cse5) .cse6 .cse7) (or .cse7 .cse6 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse7)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 (or .cse6 (or .cse3 .cse7)) .cse5) (or .cse2 .cse1 .cse6 (or .cse8 .cse3 .cse4)) (or .cse1 .cse8 (< 1 ~waterLevel~0) .cse0 .cse3 .cse4)))) [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse1 (or .cse6 .cse2 .cse3 .cse4)) (or .cse6 .cse1 .cse2 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) (or (or .cse3 .cse4) .cse0 (< |old(~waterLevel~0)| 2) .cse1 .cse5))) [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-09 19:23:00,217 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-12-09 19:23:00,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:23:00 BoogieIcfgContainer [2018-12-09 19:23:00,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:23:00,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:23:00,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:23:00,226 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:23:00,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:22:23" (3/4) ... [2018-12-09 19:23:00,228 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:23:00,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:23:00,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:23:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 19:23:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:23:00,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:23:00,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:23:00,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:23:00,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:23:00,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methAndRunningLastTime == 0 && waterLevel <= 2) && pumpRunning == 0) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && systemActive == 1) && waterLevel <= \old(waterLevel) + 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:23:00,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:23:00,279 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e40177c6-b53d-4a4b-a763-2301df890da5/bin-2019/utaipan/witness.graphml [2018-12-09 19:23:00,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:23:00,279 INFO L168 Benchmark]: Toolchain (without parser) took 37607.46 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 948.1 MB in the beginning and 1.6 GB in the end (delta: -690.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: Boogie Preprocessor took 22.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: RCFGBuilder took 339.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: TraceAbstraction took 36892.96 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -619.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-09 19:23:00,280 INFO L168 Benchmark]: Witness Printer took 53.33 ms. Allocated memory is still 3.1 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:00,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36892.96 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -619.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 53.33 ms. Allocated memory is still 3.1 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: (((((((((((methAndRunningLastTime == 0 && waterLevel <= 2) && pumpRunning == 0) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && systemActive == 1) && waterLevel <= \old(waterLevel) + 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 36.8s OverallTime, 15 OverallIterations, 6 TraceHistogramMax, 18.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3471 SDtfs, 4618 SDslu, 12550 SDs, 0 SdLazy, 10924 SolverSat, 3007 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2601 GetRequests, 2287 SyntacticMatches, 24 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3909 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3046occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.8s AbstIntTime, 6 AbstIntIterations, 2 AbstIntStrong, 0.9964058560088063 AbsIntWeakeningRatio, 0.9080882352941176 AbsIntAvgWeakeningVarsNumRemoved, 95.97058823529412 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1445 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 5582 PreInvPairs, 5890 NumberOfFragments, 3490 HoareAnnotationTreeSize, 5582 FomulaSimplifications, 38354 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 33826 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3006 NumberOfCodeBlocks, 3006 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4002 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276054 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4631 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 2248/2415 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...