./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/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 5a35b365de7365eb1088366c2b8165f4a523d787 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:14:15,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:14:15,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:14:15,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:14:15,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:14:15,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:14:15,036 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:14:15,037 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:14:15,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:14:15,039 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:14:15,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:14:15,040 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:14:15,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:14:15,041 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:14:15,042 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:14:15,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:14:15,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:14:15,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:14:15,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:14:15,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:14:15,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:14:15,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:14:15,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:14:15,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:14:15,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:14:15,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:14:15,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:14:15,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:14:15,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:14:15,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:14:15,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:14:15,055 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:14:15,055 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:14:15,055 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:14:15,056 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:14:15,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:14:15,056 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:14:15,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:14:15,065 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:14:15,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:14:15,065 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:14:15,066 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:14:15,066 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:14:15,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:14:15,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:14:15,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:14:15,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:14:15,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:14:15,068 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:14:15,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:14:15,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:14:15,070 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:14:15,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:14:15,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:14:15,070 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:14:15,070 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2018-11-10 10:14:15,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:14:15,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:14:15,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:14:15,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:14:15,110 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:14:15,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-10 10:14:15,150 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/data/7fcdb7baf/e1d6ebb5ccae4deea2c06c27458a4bed/FLAGff7fa3d17 [2018-11-10 10:14:15,587 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:14:15,587 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-10 10:14:15,597 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/data/7fcdb7baf/e1d6ebb5ccae4deea2c06c27458a4bed/FLAGff7fa3d17 [2018-11-10 10:14:15,607 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/data/7fcdb7baf/e1d6ebb5ccae4deea2c06c27458a4bed [2018-11-10 10:14:15,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:14:15,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:14:15,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:14:15,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:14:15,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:14:15,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:15,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15, skipping insertion in model container [2018-11-10 10:14:15,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:15,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:14:15,654 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:14:15,840 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:14:15,848 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:14:15,907 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:14:15,927 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:14:15,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15 WrapperNode [2018-11-10 10:14:15,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:14:15,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:14:15,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:14:15,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:14:15,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:15,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:14:16,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:14:16,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:14:16,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:14:16,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... [2018-11-10 10:14:16,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:14:16,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:14:16,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:14:16,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:14:16,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 10:14:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 10:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:14:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:14:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 10:14:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 10:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 10:14:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 10:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 10:14:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 10:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 10:14:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 10:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 10:14:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 10:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 10:14:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 10:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 10:14:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 10:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 10:14:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 10:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 10:14:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 10:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 10:14:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 10:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 10:14:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 10:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 10:14:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 10:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 10:14:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 10:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 10:14:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 10:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 10:14:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 10:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 10:14:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 10:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 10:14:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 10:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 10:14:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 10:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 10:14:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 10:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 10:14:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 10:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 10:14:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 10:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 10:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 10:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 10:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 10:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 10:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 10:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 10:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 10:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:14:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 10:14:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 10:14:16,683 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:14:16,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:14:16 BoogieIcfgContainer [2018-11-10 10:14:16,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:14:16,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:14:16,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:14:16,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:14:16,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:14:15" (1/3) ... [2018-11-10 10:14:16,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b406a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:14:16, skipping insertion in model container [2018-11-10 10:14:16,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:15" (2/3) ... [2018-11-10 10:14:16,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b406a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:14:16, skipping insertion in model container [2018-11-10 10:14:16,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:14:16" (3/3) ... [2018-11-10 10:14:16,689 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-10 10:14:16,695 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:14:16,701 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:14:16,711 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:14:16,733 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:14:16,733 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:14:16,734 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:14:16,734 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:14:16,734 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:14:16,734 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:14:16,734 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:14:16,734 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:14:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-11-10 10:14:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:14:16,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:16,756 INFO L375 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] [2018-11-10 10:14:16,758 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:16,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:16,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1608943319, now seen corresponding path program 1 times [2018-11-10 10:14:16,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:16,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:16,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:16,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:16,793 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:14:16,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:16,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:14:16,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:16,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:14:16,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:14:16,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:14:16,970 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-11-10 10:14:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:16,999 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2018-11-10 10:14:16,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:14:17,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 10:14:17,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:17,007 INFO L225 Difference]: With dead ends: 302 [2018-11-10 10:14:17,007 INFO L226 Difference]: Without dead ends: 151 [2018-11-10 10:14:17,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:14:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-10 10:14:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-10 10:14:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-10 10:14:17,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2018-11-10 10:14:17,048 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 46 [2018-11-10 10:14:17,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:17,049 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2018-11-10 10:14:17,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:14:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2018-11-10 10:14:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:14:17,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:17,052 INFO L375 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] [2018-11-10 10:14:17,052 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:17,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:17,052 INFO L82 PathProgramCache]: Analyzing trace with hash -417369954, now seen corresponding path program 1 times [2018-11-10 10:14:17,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:17,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:17,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,054 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:14:17,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:17,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:14:17,135 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:17,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:14:17,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:14:17,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:14:17,137 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2018-11-10 10:14:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:17,156 INFO L93 Difference]: Finished difference Result 243 states and 281 transitions. [2018-11-10 10:14:17,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:14:17,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 10:14:17,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:17,158 INFO L225 Difference]: With dead ends: 243 [2018-11-10 10:14:17,158 INFO L226 Difference]: Without dead ends: 141 [2018-11-10 10:14:17,159 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:14:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-10 10:14:17,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-10 10:14:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 10:14:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-10 10:14:17,172 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 48 [2018-11-10 10:14:17,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:17,172 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-10 10:14:17,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:14:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-10 10:14:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 10:14:17,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:17,174 INFO L375 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] [2018-11-10 10:14:17,174 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:17,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:17,174 INFO L82 PathProgramCache]: Analyzing trace with hash 79063924, now seen corresponding path program 1 times [2018-11-10 10:14:17,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:17,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:17,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,176 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:14:17,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:17,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:14:17,288 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:17,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:14:17,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:14:17,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:14:17,289 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-11-10 10:14:17,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:17,699 INFO L93 Difference]: Finished difference Result 426 states and 508 transitions. [2018-11-10 10:14:17,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:14:17,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 10:14:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:17,703 INFO L225 Difference]: With dead ends: 426 [2018-11-10 10:14:17,703 INFO L226 Difference]: Without dead ends: 309 [2018-11-10 10:14:17,704 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:14:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-11-10 10:14:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 301. [2018-11-10 10:14:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-11-10 10:14:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 359 transitions. [2018-11-10 10:14:17,732 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 359 transitions. Word has length 52 [2018-11-10 10:14:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:17,732 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 359 transitions. [2018-11-10 10:14:17,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:14:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 359 transitions. [2018-11-10 10:14:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:14:17,735 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:17,735 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:14:17,735 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:17,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:17,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1165607010, now seen corresponding path program 1 times [2018-11-10 10:14:17,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:17,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:17,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:17,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:14:17,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:17,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 10:14:17,846 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:17,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 10:14:17,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 10:14:17,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:14:17,847 INFO L87 Difference]: Start difference. First operand 301 states and 359 transitions. Second operand 10 states. [2018-11-10 10:14:18,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:18,305 INFO L93 Difference]: Finished difference Result 1084 states and 1384 transitions. [2018-11-10 10:14:18,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 10:14:18,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-10 10:14:18,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:18,310 INFO L225 Difference]: With dead ends: 1084 [2018-11-10 10:14:18,310 INFO L226 Difference]: Without dead ends: 807 [2018-11-10 10:14:18,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-10 10:14:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-11-10 10:14:18,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 795. [2018-11-10 10:14:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-10 10:14:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 981 transitions. [2018-11-10 10:14:18,359 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 981 transitions. Word has length 58 [2018-11-10 10:14:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:18,360 INFO L481 AbstractCegarLoop]: Abstraction has 795 states and 981 transitions. [2018-11-10 10:14:18,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 10:14:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 981 transitions. [2018-11-10 10:14:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 10:14:18,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:18,362 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:14:18,362 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:18,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash -639526616, now seen corresponding path program 1 times [2018-11-10 10:14:18,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:18,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:18,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:18,364 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:14:18,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:18,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:14:18,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:18,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:14:18,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:14:18,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:14:18,427 INFO L87 Difference]: Start difference. First operand 795 states and 981 transitions. Second operand 4 states. [2018-11-10 10:14:18,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:18,690 INFO L93 Difference]: Finished difference Result 1971 states and 2640 transitions. [2018-11-10 10:14:18,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 10:14:18,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-10 10:14:18,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:18,695 INFO L225 Difference]: With dead ends: 1971 [2018-11-10 10:14:18,695 INFO L226 Difference]: Without dead ends: 1200 [2018-11-10 10:14:18,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:14:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2018-11-10 10:14:18,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1056. [2018-11-10 10:14:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2018-11-10 10:14:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1313 transitions. [2018-11-10 10:14:18,743 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1313 transitions. Word has length 62 [2018-11-10 10:14:18,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:18,743 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1313 transitions. [2018-11-10 10:14:18,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:14:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1313 transitions. [2018-11-10 10:14:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 10:14:18,745 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:18,745 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:14:18,745 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:18,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:18,746 INFO L82 PathProgramCache]: Analyzing trace with hash -862650659, now seen corresponding path program 1 times [2018-11-10 10:14:18,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:18,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:18,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:18,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:18,747 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:14:18,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:14:18,829 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 10:14:18,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-10 10:14:18,830 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [94], [98], [104], [108], [112], [115], [120], [126], [128], [131], [133], [136], [151], [152], [164], [165], [189], [196], [199], [239], [261], [265], [266], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [289], [301], [302], [305], [306], [307], [308], [321], [322], [327], [328], [329] [2018-11-10 10:14:18,868 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 10:14:18,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 10:14:28,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 10:14:28,395 INFO L272 AbstractInterpreter]: Visited 60 different actions 124 times. Merged at 14 different actions 21 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-10 10:14:28,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:28,407 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 10:14:36,871 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 97.62% of their original sizes. [2018-11-10 10:14:36,871 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 10:14:37,477 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-10 10:14:37,477 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 10:14:37,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:14:37,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [7] total 34 [2018-11-10 10:14:37,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:37,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-10 10:14:37,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-10 10:14:37,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2018-11-10 10:14:37,479 INFO L87 Difference]: Start difference. First operand 1056 states and 1313 transitions. Second operand 29 states. [2018-11-10 10:14:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:59,208 INFO L93 Difference]: Finished difference Result 2263 states and 2861 transitions. [2018-11-10 10:14:59,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-10 10:14:59,208 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-11-10 10:14:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:59,212 INFO L225 Difference]: With dead ends: 2263 [2018-11-10 10:14:59,212 INFO L226 Difference]: Without dead ends: 1450 [2018-11-10 10:14:59,214 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=367, Invalid=2285, Unknown=0, NotChecked=0, Total=2652 [2018-11-10 10:14:59,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2018-11-10 10:14:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1390. [2018-11-10 10:14:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2018-11-10 10:14:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1703 transitions. [2018-11-10 10:14:59,266 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1703 transitions. Word has length 90 [2018-11-10 10:14:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:59,267 INFO L481 AbstractCegarLoop]: Abstraction has 1390 states and 1703 transitions. [2018-11-10 10:14:59,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-10 10:14:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1703 transitions. [2018-11-10 10:14:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:14:59,270 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:59,270 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:14:59,270 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:59,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:59,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1112184751, now seen corresponding path program 1 times [2018-11-10 10:14:59,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:59,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:59,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:59,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:59,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:14:59,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:59,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 10:14:59,332 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:59,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 10:14:59,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 10:14:59,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:14:59,333 INFO L87 Difference]: Start difference. First operand 1390 states and 1703 transitions. Second operand 5 states. [2018-11-10 10:14:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:14:59,381 INFO L93 Difference]: Finished difference Result 2329 states and 2936 transitions. [2018-11-10 10:14:59,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 10:14:59,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-10 10:14:59,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:14:59,385 INFO L225 Difference]: With dead ends: 2329 [2018-11-10 10:14:59,385 INFO L226 Difference]: Without dead ends: 1422 [2018-11-10 10:14:59,387 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:14:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2018-11-10 10:14:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1404. [2018-11-10 10:14:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1404 states. [2018-11-10 10:14:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1715 transitions. [2018-11-10 10:14:59,437 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1715 transitions. Word has length 133 [2018-11-10 10:14:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:14:59,437 INFO L481 AbstractCegarLoop]: Abstraction has 1404 states and 1715 transitions. [2018-11-10 10:14:59,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 10:14:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1715 transitions. [2018-11-10 10:14:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:14:59,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:14:59,439 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:14:59,440 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:14:59,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:14:59,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1352424497, now seen corresponding path program 1 times [2018-11-10 10:14:59,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:14:59,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:59,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:14:59,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:14:59,441 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:14:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:14:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 10:14:59,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:14:59,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 10:14:59,520 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:14:59,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 10:14:59,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 10:14:59,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:14:59,520 INFO L87 Difference]: Start difference. First operand 1404 states and 1715 transitions. Second operand 5 states. [2018-11-10 10:15:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:15:00,028 INFO L93 Difference]: Finished difference Result 2836 states and 3620 transitions. [2018-11-10 10:15:00,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:15:00,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-10 10:15:00,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:15:00,041 INFO L225 Difference]: With dead ends: 2836 [2018-11-10 10:15:00,041 INFO L226 Difference]: Without dead ends: 2065 [2018-11-10 10:15:00,045 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:15:00,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2018-11-10 10:15:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 1893. [2018-11-10 10:15:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2018-11-10 10:15:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2319 transitions. [2018-11-10 10:15:00,160 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2319 transitions. Word has length 133 [2018-11-10 10:15:00,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:15:00,161 INFO L481 AbstractCegarLoop]: Abstraction has 1893 states and 2319 transitions. [2018-11-10 10:15:00,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 10:15:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2319 transitions. [2018-11-10 10:15:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 10:15:00,166 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:15:00,166 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:15:00,166 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:15:00,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:15:00,166 INFO L82 PathProgramCache]: Analyzing trace with hash -902582683, now seen corresponding path program 1 times [2018-11-10 10:15:00,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:15:00,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:15:00,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:15:00,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:15:00,167 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:15:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:15:00,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:15:00,255 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 10:15:00,255 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-10 10:15:00,256 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [66], [67], [68], [71], [73], [76], [83], [86], [87], [90], [92], [94], [98], [104], [108], [112], [118], [120], [126], [128], [131], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [165], [166], [168], [171], [175], [176], [186], [189], [193], [199], [227], [228], [231], [235], [239], [240], [243], [245], [248], [258], [266], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [291], [292], [293], [294], [295], [296], [299], [300], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329], [331], [332], [333], [334] [2018-11-10 10:15:00,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 10:15:00,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 10:15:04,225 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 10:15:04,225 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 10:15:04,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:15:04,230 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 10:15:08,118 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 96.55% of their original sizes. [2018-11-10 10:15:08,118 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 10:15:08,510 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-10 10:15:08,510 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 10:15:08,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:15:08,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-11-10 10:15:08,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:15:08,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-10 10:15:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-10 10:15:08,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2018-11-10 10:15:08,511 INFO L87 Difference]: Start difference. First operand 1893 states and 2319 transitions. Second operand 24 states. [2018-11-10 10:15:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:15:32,142 INFO L93 Difference]: Finished difference Result 3841 states and 4719 transitions. [2018-11-10 10:15:32,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 10:15:32,142 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 145 [2018-11-10 10:15:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:15:32,147 INFO L225 Difference]: With dead ends: 3841 [2018-11-10 10:15:32,148 INFO L226 Difference]: Without dead ends: 1972 [2018-11-10 10:15:32,151 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=203, Invalid=987, Unknown=0, NotChecked=0, Total=1190 [2018-11-10 10:15:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2018-11-10 10:15:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1949. [2018-11-10 10:15:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2018-11-10 10:15:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2380 transitions. [2018-11-10 10:15:32,219 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2380 transitions. Word has length 145 [2018-11-10 10:15:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:15:32,219 INFO L481 AbstractCegarLoop]: Abstraction has 1949 states and 2380 transitions. [2018-11-10 10:15:32,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-10 10:15:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2380 transitions. [2018-11-10 10:15:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:15:32,223 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:15:32,223 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 10:15:32,223 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:15:32,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:15:32,223 INFO L82 PathProgramCache]: Analyzing trace with hash -399799775, now seen corresponding path program 1 times [2018-11-10 10:15:32,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:15:32,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:15:32,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:15:32,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:15:32,224 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:15:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:15:32,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:15:32,281 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 10:15:32,281 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-10 10:15:32,282 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [66], [67], [68], [71], [73], [76], [83], [86], [87], [90], [92], [94], [98], [104], [108], [112], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [165], [166], [168], [171], [175], [176], [181], [183], [186], [189], [193], [199], [227], [228], [231], [235], [239], [240], [243], [245], [248], [258], [266], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329], [331], [332], [333], [334] [2018-11-10 10:15:32,285 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 10:15:32,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 10:15:40,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 10:15:40,383 INFO L272 AbstractInterpreter]: Visited 63 different actions 90 times. Merged at 3 different actions 3 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 10:15:40,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:15:40,386 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 10:15:54,092 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 96.55% of their original sizes. [2018-11-10 10:15:54,092 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 10:15:54,684 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-10 10:15:54,684 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 10:15:54,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:15:54,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-10 10:15:54,685 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:15:54,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 10:15:54,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 10:15:54,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2018-11-10 10:15:54,685 INFO L87 Difference]: Start difference. First operand 1949 states and 2380 transitions. Second operand 27 states. [2018-11-10 10:16:22,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:16:22,583 INFO L93 Difference]: Finished difference Result 3585 states and 4384 transitions. [2018-11-10 10:16:22,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-10 10:16:22,583 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 149 [2018-11-10 10:16:22,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:16:22,589 INFO L225 Difference]: With dead ends: 3585 [2018-11-10 10:16:22,589 INFO L226 Difference]: Without dead ends: 1660 [2018-11-10 10:16:22,593 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=310, Invalid=1670, Unknown=0, NotChecked=0, Total=1980 [2018-11-10 10:16:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-11-10 10:16:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1639. [2018-11-10 10:16:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2018-11-10 10:16:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 1988 transitions. [2018-11-10 10:16:22,746 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 1988 transitions. Word has length 149 [2018-11-10 10:16:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:16:22,746 INFO L481 AbstractCegarLoop]: Abstraction has 1639 states and 1988 transitions. [2018-11-10 10:16:22,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 10:16:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1988 transitions. [2018-11-10 10:16:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:16:22,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:16:22,749 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 10:16:22,749 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:16:22,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:16:22,749 INFO L82 PathProgramCache]: Analyzing trace with hash -377343774, now seen corresponding path program 1 times [2018-11-10 10:16:22,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:16:22,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:22,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:16:22,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:22,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:16:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:16:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:16:22,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:16:22,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:16:22,815 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:16:22,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:16:22,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:16:22,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:16:22,816 INFO L87 Difference]: Start difference. First operand 1639 states and 1988 transitions. Second operand 6 states. [2018-11-10 10:16:22,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:16:22,873 INFO L93 Difference]: Finished difference Result 2745 states and 3387 transitions. [2018-11-10 10:16:22,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:16:22,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-10 10:16:22,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:16:22,877 INFO L225 Difference]: With dead ends: 2745 [2018-11-10 10:16:22,878 INFO L226 Difference]: Without dead ends: 1684 [2018-11-10 10:16:22,880 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:16:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2018-11-10 10:16:22,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1684. [2018-11-10 10:16:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2018-11-10 10:16:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2041 transitions. [2018-11-10 10:16:22,939 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2041 transitions. Word has length 149 [2018-11-10 10:16:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:16:22,939 INFO L481 AbstractCegarLoop]: Abstraction has 1684 states and 2041 transitions. [2018-11-10 10:16:22,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:16:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2041 transitions. [2018-11-10 10:16:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:16:22,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:16:22,942 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 10:16:22,942 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:16:22,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:16:22,942 INFO L82 PathProgramCache]: Analyzing trace with hash -886816864, now seen corresponding path program 1 times [2018-11-10 10:16:22,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:16:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:22,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:16:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:22,943 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:16:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:16:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:16:22,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:16:22,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:16:22,996 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:16:22,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:16:22,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:16:22,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:16:22,997 INFO L87 Difference]: Start difference. First operand 1684 states and 2041 transitions. Second operand 6 states. [2018-11-10 10:16:23,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:16:23,153 INFO L93 Difference]: Finished difference Result 1705 states and 2067 transitions. [2018-11-10 10:16:23,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:16:23,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-10 10:16:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:16:23,158 INFO L225 Difference]: With dead ends: 1705 [2018-11-10 10:16:23,158 INFO L226 Difference]: Without dead ends: 1702 [2018-11-10 10:16:23,160 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:16:23,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2018-11-10 10:16:23,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1684. [2018-11-10 10:16:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2018-11-10 10:16:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2036 transitions. [2018-11-10 10:16:23,221 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2036 transitions. Word has length 149 [2018-11-10 10:16:23,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:16:23,222 INFO L481 AbstractCegarLoop]: Abstraction has 1684 states and 2036 transitions. [2018-11-10 10:16:23,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:16:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2036 transitions. [2018-11-10 10:16:23,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:16:23,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:16:23,224 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:16:23,224 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:16:23,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:16:23,225 INFO L82 PathProgramCache]: Analyzing trace with hash 261044795, now seen corresponding path program 1 times [2018-11-10 10:16:23,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:16:23,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:23,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:16:23,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:16:23,226 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:16:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:16:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:16:23,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:16:23,324 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 10:16:23,324 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-10 10:16:23,324 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [71], [73], [79], [83], [86], [87], [91], [92], [93], [94], [98], [104], [108], [112], [115], [118], [120], [126], [128], [131], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [165], [166], [168], [173], [175], [176], [186], [189], [193], [199], [227], [228], [231], [235], [239], [240], [243], [245], [248], [255], [258], [261], [265], [266], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329], [331], [332], [333], [334], [337], [338] [2018-11-10 10:16:23,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 10:16:23,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 10:16:56,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 10:16:56,566 INFO L272 AbstractInterpreter]: Visited 112 different actions 405 times. Merged at 17 different actions 31 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-10 10:16:56,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:16:56,568 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 10:17:12,399 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 97.03% of their original sizes. [2018-11-10 10:17:12,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 10:17:14,455 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-10 10:17:14,456 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 10:17:14,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:17:14,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [10] total 60 [2018-11-10 10:17:14,456 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:17:14,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-11-10 10:17:14,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-11-10 10:17:14,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2391, Unknown=0, NotChecked=0, Total=2652 [2018-11-10 10:17:14,457 INFO L87 Difference]: Start difference. First operand 1684 states and 2036 transitions. Second operand 52 states. [2018-11-10 10:18:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:18:46,447 INFO L93 Difference]: Finished difference Result 3772 states and 4773 transitions. [2018-11-10 10:18:46,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-10 10:18:46,447 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 153 [2018-11-10 10:18:46,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:18:46,455 INFO L225 Difference]: With dead ends: 3772 [2018-11-10 10:18:46,455 INFO L226 Difference]: Without dead ends: 2806 [2018-11-10 10:18:46,459 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 95 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3424 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1016, Invalid=10114, Unknown=0, NotChecked=0, Total=11130 [2018-11-10 10:18:46,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2018-11-10 10:18:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2593. [2018-11-10 10:18:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2593 states. [2018-11-10 10:18:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 3089 transitions. [2018-11-10 10:18:46,641 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 3089 transitions. Word has length 153 [2018-11-10 10:18:46,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:18:46,641 INFO L481 AbstractCegarLoop]: Abstraction has 2593 states and 3089 transitions. [2018-11-10 10:18:46,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-11-10 10:18:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 3089 transitions. [2018-11-10 10:18:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:18:46,645 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:18:46,645 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:18:46,645 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:18:46,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:18:46,646 INFO L82 PathProgramCache]: Analyzing trace with hash 535804409, now seen corresponding path program 1 times [2018-11-10 10:18:46,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:18:46,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:46,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:18:46,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:46,646 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:18:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:18:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 10:18:46,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:18:46,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 10:18:46,751 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:18:46,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:18:46,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:18:46,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:18:46,752 INFO L87 Difference]: Start difference. First operand 2593 states and 3089 transitions. Second operand 9 states. [2018-11-10 10:18:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:18:46,998 INFO L93 Difference]: Finished difference Result 4548 states and 5510 transitions. [2018-11-10 10:18:46,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 10:18:46,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2018-11-10 10:18:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:18:47,006 INFO L225 Difference]: With dead ends: 4548 [2018-11-10 10:18:47,006 INFO L226 Difference]: Without dead ends: 2537 [2018-11-10 10:18:47,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:18:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2018-11-10 10:18:47,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2537. [2018-11-10 10:18:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2537 states. [2018-11-10 10:18:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3022 transitions. [2018-11-10 10:18:47,219 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3022 transitions. Word has length 153 [2018-11-10 10:18:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:18:47,219 INFO L481 AbstractCegarLoop]: Abstraction has 2537 states and 3022 transitions. [2018-11-10 10:18:47,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:18:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3022 transitions. [2018-11-10 10:18:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:18:47,222 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:18:47,222 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:18:47,222 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:18:47,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:18:47,223 INFO L82 PathProgramCache]: Analyzing trace with hash -2030031088, now seen corresponding path program 1 times [2018-11-10 10:18:47,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:18:47,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:18:47,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,224 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:18:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:18:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:18:47,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:18:47,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:18:47,280 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:18:47,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:18:47,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:18:47,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:18:47,281 INFO L87 Difference]: Start difference. First operand 2537 states and 3022 transitions. Second operand 4 states. [2018-11-10 10:18:47,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:18:47,511 INFO L93 Difference]: Finished difference Result 2779 states and 3325 transitions. [2018-11-10 10:18:47,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:18:47,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2018-11-10 10:18:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:18:47,514 INFO L225 Difference]: With dead ends: 2779 [2018-11-10 10:18:47,515 INFO L226 Difference]: Without dead ends: 1207 [2018-11-10 10:18:47,517 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:18:47,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-11-10 10:18:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1177. [2018-11-10 10:18:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-10 10:18:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1328 transitions. [2018-11-10 10:18:47,610 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1328 transitions. Word has length 155 [2018-11-10 10:18:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:18:47,611 INFO L481 AbstractCegarLoop]: Abstraction has 1177 states and 1328 transitions. [2018-11-10 10:18:47,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:18:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1328 transitions. [2018-11-10 10:18:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 10:18:47,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:18:47,614 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-10 10:18:47,614 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:18:47,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:18:47,614 INFO L82 PathProgramCache]: Analyzing trace with hash -236991530, now seen corresponding path program 1 times [2018-11-10 10:18:47,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:18:47,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:18:47,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:18:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:18:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:18:47,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:18:47,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:18:47,679 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:18:47,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:18:47,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:18:47,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:18:47,679 INFO L87 Difference]: Start difference. First operand 1177 states and 1328 transitions. Second operand 6 states. [2018-11-10 10:18:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:18:47,785 INFO L93 Difference]: Finished difference Result 2156 states and 2489 transitions. [2018-11-10 10:18:47,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:18:47,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-11-10 10:18:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:18:47,788 INFO L225 Difference]: With dead ends: 2156 [2018-11-10 10:18:47,788 INFO L226 Difference]: Without dead ends: 1204 [2018-11-10 10:18:47,790 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:18:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2018-11-10 10:18:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1192. [2018-11-10 10:18:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-11-10 10:18:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1344 transitions. [2018-11-10 10:18:47,875 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1344 transitions. Word has length 216 [2018-11-10 10:18:47,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:18:47,875 INFO L481 AbstractCegarLoop]: Abstraction has 1192 states and 1344 transitions. [2018-11-10 10:18:47,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:18:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1344 transitions. [2018-11-10 10:18:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 10:18:47,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:18:47,878 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-10 10:18:47,878 INFO L424 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:18:47,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:18:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash 656494808, now seen corresponding path program 1 times [2018-11-10 10:18:47,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:18:47,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:18:47,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:18:47,879 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:18:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:18:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-10 10:18:47,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:18:47,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 10:18:47,944 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:18:47,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 10:18:47,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 10:18:47,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:18:47,945 INFO L87 Difference]: Start difference. First operand 1192 states and 1344 transitions. Second operand 8 states. [2018-11-10 10:18:48,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:18:48,034 INFO L93 Difference]: Finished difference Result 1626 states and 1825 transitions. [2018-11-10 10:18:48,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:18:48,035 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-11-10 10:18:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:18:48,035 INFO L225 Difference]: With dead ends: 1626 [2018-11-10 10:18:48,036 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:18:48,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:18:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:18:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:18:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:18:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:18:48,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-11-10 10:18:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:18:48,039 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:18:48,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 10:18:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:18:48,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:18:48,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:18:48,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:48,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:48,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:48,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,354 WARN L179 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 411 [2018-11-10 10:18:49,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:49,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,453 WARN L179 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 406 [2018-11-10 10:18:50,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:50,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,142 WARN L179 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 398 [2018-11-10 10:18:51,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,611 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 402 [2018-11-10 10:18:51,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:51,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,525 WARN L179 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 413 [2018-11-10 10:18:52,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:52,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:18:53,181 WARN L179 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 35 [2018-11-10 10:18:53,339 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2018-11-10 10:18:53,494 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2018-11-10 10:18:53,748 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 39 [2018-11-10 10:18:53,868 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 17 [2018-11-10 10:18:54,203 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 1 [2018-11-10 10:18:55,663 WARN L179 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 509 DAG size of output: 74 [2018-11-10 10:18:55,834 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2018-11-10 10:18:56,065 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2018-11-10 10:18:56,600 WARN L179 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 54 [2018-11-10 10:18:57,029 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 70 [2018-11-10 10:18:57,152 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 38 [2018-11-10 10:18:57,277 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 38 [2018-11-10 10:18:57,478 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 26 [2018-11-10 10:18:58,060 WARN L179 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 48 [2018-11-10 10:18:58,323 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 1 [2018-11-10 10:18:59,117 WARN L179 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 68 [2018-11-10 10:18:59,333 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2018-11-10 10:18:59,563 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2018-11-10 10:18:59,766 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2018-11-10 10:19:00,925 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 506 DAG size of output: 34 [2018-11-10 10:19:01,520 WARN L179 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 43 [2018-11-10 10:19:01,691 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 24 [2018-11-10 10:19:01,938 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 1 [2018-11-10 10:19:02,274 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 29 [2018-11-10 10:19:04,004 WARN L179 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 497 DAG size of output: 85 [2018-11-10 10:19:04,125 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2018-11-10 10:19:05,666 WARN L179 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 499 DAG size of output: 68 [2018-11-10 10:19:06,123 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 29 [2018-11-10 10:19:07,061 WARN L179 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 77 [2018-11-10 10:19:07,466 WARN L179 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 45 [2018-11-10 10:19:07,784 WARN L179 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 53 [2018-11-10 10:19:08,032 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2018-11-10 10:19:10,318 WARN L179 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 509 DAG size of output: 108 [2018-11-10 10:19:10,753 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 25 [2018-11-10 10:19:11,123 WARN L179 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 35 [2018-11-10 10:19:11,425 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 26 [2018-11-10 10:19:11,528 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 17 [2018-11-10 10:19:12,225 WARN L179 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 29 [2018-11-10 10:19:12,227 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 10:19:12,227 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 10:19:12,227 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 10:19:12,227 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 10:19:12,227 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 10:19:12,228 INFO L421 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (and (let ((.cse0 (+ ~pumpRunning~0 1))) (or (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 .cse0) (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)))) [2018-11-10 10:19:12,228 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2018-11-10 10:19:12,228 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2018-11-10 10:19:12,228 INFO L421 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse6 (* 2 ~pumpRunning~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (< 0 .cse6)) (.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse7 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 ~systemActive~0))) (and (or .cse0 (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 .cse1)) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 .cse5 (< ~waterLevel~0 2)) (or .cse5 (< .cse6 0) .cse3 .cse4) (or (< .cse1 3) (< 3 .cse7) (< .cse6 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (or (< 1 .cse7) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-11-10 10:19:12,228 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-10 10:19:12,228 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2018-11-10 10:19:12,228 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2018-11-10 10:19:12,228 INFO L428 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2018-11-10 10:19:12,228 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,229 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,229 INFO L421 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,229 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 10:19:12,229 INFO L421 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,229 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,230 INFO L421 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L421 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) .cse0) (not (= |old(~systemActive~0)| 1))))) [2018-11-10 10:19:12,230 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and (not .cse2) .cse3)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2))) (or (and .cse2 .cse3) (not .cse1) .cse4) (or .cse0 .cse1 .cse4) (or (and (= ~systemActive~0 1) .cse3) (not (= |old(~systemActive~0)| 1)))))) [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2018-11-10 10:19:12,230 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2018-11-10 10:19:12,230 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L428 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 10:19:12,231 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L428 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-10 10:19:12,231 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (or (= ~systemActive~0 0) (< ~waterLevel~0 2))))) [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L421 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2018-11-10 10:19:12,232 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse1 .cse2 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0)))))) [2018-11-10 10:19:12,232 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< (* 2 ~systemActive~0) 2))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse2 .cse0 .cse1 .cse3) (or .cse3 (or .cse2 .cse0 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0)))))) [2018-11-10 10:19:12,232 INFO L425 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 10:19:12,233 INFO L421 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2018-11-10 10:19:12,233 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 169) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2018-11-10 10:19:12,233 INFO L421 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,234 INFO L421 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 10:19:12,234 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-10 10:19:12,234 INFO L421 ceAbstractionStarter]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 2147483647))) (let ((.cse0 (and (<= (+ ~waterLevel~0 test_~tmp___0~1) 2147483649) (<= 0 (+ ~systemActive~0 test_~tmp___0~1 2147483647)) (<= test_~tmp___0~1 .cse3))) (.cse1 (let ((.cse4 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (<= 0 (* 2 ~pumpRunning~0))) (.cse6 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= 2 (* 2 ~systemActive~0)) (<= .cse4 2) .cse5 (<= 2 .cse4) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse6) (let ((.cse7 (+ ~pumpRunning~0 1))) (and (<= .cse7 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse4 3) (<= ~waterLevel~0 .cse7) .cse5 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse6))))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 3 (+ ~systemActive~0 ~waterLevel~0)) .cse1 .cse2) (and .cse0 .cse1 (<= test_~tmp~1 .cse3) .cse2 (<= 0 (+ ~pumpRunning~0 test_~tmp~1 2147483648))) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-10 10:19:12,234 INFO L425 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2018-11-10 10:19:12,234 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2018-11-10 10:19:12,234 INFO L421 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse16 (+ ~pumpRunning~0 1)) (.cse15 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (+ ~pumpRunning~0 2147483647))) (let ((.cse9 (<= test_~tmp___0~1 .cse2)) (.cse4 (+ ~systemActive~0 ~waterLevel~0)) (.cse6 (<= (+ ~pumpRunning~0 ~systemActive~0) 1)) (.cse13 (<= 2 (* 2 ~systemActive~0))) (.cse8 (<= .cse15 2)) (.cse5 (<= 2 .cse15)) (.cse12 (<= .cse16 ~waterLevel~0)) (.cse10 (<= 0 (* 2 ~pumpRunning~0))) (.cse11 (+ ~systemActive~0 2147483646))) (let ((.cse1 (let ((.cse14 (<= test_~tmp___2~0 .cse11))) (or (and .cse6 .cse13 .cse8 .cse10 .cse5 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse14) (and .cse12 (= ~systemActive~0 1) (<= .cse15 3) (<= ~waterLevel~0 .cse16) .cse10 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse14)))) (.cse0 (and .cse12 (<= (+ ~waterLevel~0 test_~tmp___0~1) 2147483649) (<= ~systemActive~0 ~waterLevel~0) .cse13 (<= 0 (+ ~systemActive~0 test_~tmp___0~1 2147483647)) .cse9 (<= .cse4 3) .cse10)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (<= ~pumpRunning~0 (+ test_~tmp~1 2147483648)))) (or (and .cse0 .cse1 (<= test_~tmp~1 .cse2) .cse3 (<= 0 (+ ~pumpRunning~0 test_~tmp~1 2147483648))) (and .cse0 (<= 3 .cse4) .cse1 .cse3) (and .cse0 (= ~pumpRunning~0 1) .cse3) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~systemActive~0) (and .cse5 .cse6 .cse7 (<= test_~tmp~1 (+ test_~splverifierCounter~0 2147483647)) .cse8 .cse9 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) (= ~pumpRunning~0 0) .cse3)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (and (<= (+ ~systemActive~0 test_~splverifierCounter~0) 1) (<= 2 (* 2 ~waterLevel~0)) (<= 0 (* 2 test_~splverifierCounter~0)) (<= ~methaneLevelCritical~0 (+ test_~tmp___0~1 2147483648)) .cse7 (<= (+ ~systemActive~0 test_~tmp___0~1) 2147483648) (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~pumpRunning~0 ~methaneLevelCritical~0) (<= ~waterLevel~0 ~systemActive~0) .cse10 (<= test_~tmp~1 .cse11)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 10:19:12,234 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2018-11-10 10:19:12,235 INFO L425 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2018-11-10 10:19:12,235 INFO L421 ceAbstractionStarter]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (<= (+ ~waterLevel~0 test_~tmp___0~1) 2147483649) (<= 0 (+ ~systemActive~0 test_~tmp___0~1 2147483647)) (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= 2 (* 2 ~systemActive~0)) (<= .cse0 3) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) .cse1) (and (<= .cse0 2) (<= ~pumpRunning~0 ~methaneLevelCritical~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 2) (= ~pumpRunning~0 0) .cse1) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 10:19:12,235 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse15 (+ ~pumpRunning~0 1))) (let ((.cse2 (+ ~systemActive~0 ~waterLevel~0)) (.cse12 (<= 2 (* 2 ~systemActive~0))) (.cse11 (<= .cse15 ~waterLevel~0)) (.cse7 (= ~systemActive~0 1)) (.cse9 (<= 0 (* 2 ~pumpRunning~0))) (.cse10 (+ ~systemActive~0 2147483646))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (let ((.cse13 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse14 (<= test_~tmp___2~0 .cse10))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) .cse12 (<= .cse13 2) .cse9 (<= 2 .cse13) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse14) (and .cse11 .cse7 (<= .cse13 3) (<= ~waterLevel~0 .cse15) .cse9 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse14)))) (.cse0 (and .cse11 (<= (+ ~waterLevel~0 test_~tmp___0~1) 2147483649) (<= ~systemActive~0 ~waterLevel~0) .cse12 (<= 0 (+ ~systemActive~0 test_~tmp___0~1 2147483647)) (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (<= .cse2 3) .cse9)) (.cse5 (<= 0 (+ ~systemActive~0 test_~tmp~1 2147483647))) (.cse6 (<= test_~tmp~1 .cse10)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 3 .cse2) .cse3 .cse4) (and (= ~systemActive~0 0) .cse1 .cse4) (and .cse3 .cse5 .cse0 .cse6 .cse4) (let ((.cse8 (+ ~methaneLevelCritical~0 1))) (and .cse7 (<= ~waterLevel~0 .cse8) .cse5 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= .cse8 ~waterLevel~0) .cse9 .cse6 .cse4)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 10:19:12,235 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2018-11-10 10:19:12,235 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2018-11-10 10:19:12,235 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2018-11-10 10:19:12,235 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 10:19:12,235 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L421 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (= ~pumpRunning~0 0) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2018-11-10 10:19:12,236 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (= ~pumpRunning~0 0) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:19:12,236 INFO L421 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (let ((.cse0 (+ activatePump_~tmp~4 1))) (and (<= .cse0 ~systemActive~0) (<= ~systemActive~0 .cse0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 10:19:12,236 INFO L425 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L428 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2018-11-10 10:19:12,237 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: (let ((.cse9 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|))) (let ((.cse0 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0))) (.cse5 (+ ~methaneLevelCritical~0 1)) (.cse8 (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|)) (.cse4 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse7 (< .cse9 0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (+ ~systemActive~0 ~waterLevel~0))) (and (or .cse0 (or (< .cse1 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) .cse3) (or .cse4 (and .cse0 (<= .cse5 ~waterLevel~0)) .cse6 .cse7 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1))) (< 2 .cse8) (< (* 2 ~systemActive~0) 2) .cse6 (< .cse9 1) .cse2) (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~pumpRunning~0 .cse5)) (or (< .cse8 2) .cse4 .cse7 .cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 .cse1)))))) [2018-11-10 10:19:12,237 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2018-11-10 10:19:12,238 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse0 (or .cse1 .cse2 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (< 3 .cse3))) (or (< (+ |old(~pumpRunning~0)| 1) |old(~waterLevel~0)|) .cse1 .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse0) (or .cse0 (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse3 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))))) [2018-11-10 10:19:12,238 INFO L421 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse3 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (< 3 .cse3))) (or (and (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (<= ~pumpRunning~0 ~systemActive~0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse3 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (< (+ |old(~pumpRunning~0)| 1) |old(~waterLevel~0)|) .cse1 .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse0) (or .cse1 (not (= ~systemActive~0 0))))) [2018-11-10 10:19:12,238 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2018-11-10 10:19:12,238 INFO L421 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse10 (* 2 |old(~pumpRunning~0)|)) (.cse9 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (and .cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 3 .cse9)) (.cse4 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse6 (< 0 .cse10)) (.cse2 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or (< .cse4 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse5 .cse6)) (or (< (+ |old(~pumpRunning~0)| 1) |old(~waterLevel~0)|) .cse0 .cse1 .cse7 (< |old(~waterLevel~0)| ~systemActive~0)) (or (and .cse8 .cse3) .cse0 (or .cse1 .cse7 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse5)) (or (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= 0 ~pumpRunning~0) (<= 2 (+ ~systemActive~0 ~waterLevel~0))) (or (< 3 .cse4) (< .cse9 3) (< .cse10 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (or (< (* 2 |old(~waterLevel~0)|) 4) .cse6 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) .cse2)))) [2018-11-10 10:19:12,238 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2018-11-10 10:19:12,238 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (+ ~systemActive~0 |old(~waterLevel~0)|))) (and (or .cse0 (< (* 2 ~systemActive~0) 2) (< |old(~waterLevel~0)| ~systemActive~0) (< 3 .cse1)) (or .cse0 (not (= ~systemActive~0 0))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse1 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))))) [2018-11-10 10:19:12,238 INFO L425 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 428 442) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point L428-3(lines 428 442) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2018-11-10 10:19:12,239 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0)))) [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0)) [2018-11-10 10:19:12,240 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2018-11-10 10:19:12,240 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 ~systemActive~0) .cse2) (or .cse2 (or .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0)))))) [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2018-11-10 10:19:12,240 INFO L421 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 10:19:12,240 INFO L425 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse3)) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 ~systemActive~0)) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 10:19:12,241 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 .cse0) .cse1) (let ((.cse2 (* 2 processEnvironment__wrappee__highWaterSensor_~tmp~2))) (and (<= .cse2 2) (<= 2 .cse2)))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0)) (or (= ~pumpRunning~0 0) (or (< .cse0 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L421 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 ~systemActive~0) .cse2) (or .cse2 (or .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0)))))) [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse3 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse3) (or (< (+ ~pumpRunning~0 |old(~waterLevel~0)|) 3) (and (<= 3 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse2 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse3) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (< (+ ~pumpRunning~0 1) |old(~waterLevel~0)|) .cse1 .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse0))) [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2018-11-10 10:19:12,241 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2018-11-10 10:19:12,242 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2018-11-10 10:19:12,242 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2018-11-10 10:19:12,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:19:12 BoogieIcfgContainer [2018-11-10 10:19:12,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:19:12,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:19:12,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:19:12,257 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:19:12,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:14:16" (3/4) ... [2018-11-10 10:19:12,260 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:19:12,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 10:19:12,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 10:19:12,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:19:12,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 10:19:12,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 10:19:12,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 10:19:12,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 10:19:12,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 10:19:12,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 10:19:12,276 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-11-10 10:19:12,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 10:19:12,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 10:19:12,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel + tmp___0 <= 2147483649 && 0 <= systemActive + tmp___0 + 2147483647) && tmp___0 <= pumpRunning + 2147483647) && (((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && 2 <= 2 * systemActive) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && 0 <= systemActive + tmp___2 + 2147483647) && tmp___2 <= systemActive + 2147483646) && splverifierCounter == 0) || ((((((systemActive + waterLevel <= 2 && pumpRunning <= methaneLevelCritical) && 1 <= methaneLevelCritical + systemActive) && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 10:19:12,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 10:19:12,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55ce7bdc-9a6b-44a9-81c4-8f47397bee05/bin-2019/utaipan/witness.graphml [2018-11-10 10:19:12,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:19:12,341 INFO L168 Benchmark]: Toolchain (without parser) took 296730.91 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.0 GB). Free memory was 957.6 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 683.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,341 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:19:12,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.97 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 932.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 932.4 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,342 INFO L168 Benchmark]: Boogie Preprocessor took 33.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,342 INFO L168 Benchmark]: RCFGBuilder took 629.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,342 INFO L168 Benchmark]: TraceAbstraction took 295572.33 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,343 INFO L168 Benchmark]: Witness Printer took 83.59 ms. Allocated memory is still 4.1 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:19:12,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.97 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 932.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 932.4 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 629.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 295572.33 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 83.59 ms. Allocated memory is still 4.1 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((((((((waterLevel + tmp___0 <= 2147483649 && 0 <= systemActive + tmp___0 + 2147483647) && tmp___0 <= pumpRunning + 2147483647) && (((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && 2 <= 2 * systemActive) && systemActive + waterLevel <= 3) && 0 <= 2 * pumpRunning) && 0 <= systemActive + tmp___2 + 2147483647) && tmp___2 <= systemActive + 2147483646) && splverifierCounter == 0) || ((((((systemActive + waterLevel <= 2 && pumpRunning <= methaneLevelCritical) && 1 <= methaneLevelCritical + systemActive) && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 164 locations, 1 error locations. SAFE Result, 295.5s OverallTime, 17 OverallIterations, 3 TraceHistogramMax, 168.0s AutomataDifference, 0.0s DeadEndRemovalTime, 24.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3458 SDtfs, 4832 SDslu, 18214 SDs, 0 SdLazy, 10494 SolverSat, 1754 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 121.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 757 GetRequests, 447 SyntacticMatches, 9 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5043 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2593occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 54.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9939402708852496 AbsIntWeakeningRatio, 0.9512195121951219 AbsIntAvgWeakeningVarsNumRemoved, 5056.699812382739 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 731 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 6409 PreInvPairs, 6533 NumberOfFragments, 3469 HoareAnnotationTreeSize, 6409 FomulaSimplifications, 229902 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 453620 FormulaSimplificationTreeSizeReductionInter, 19.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2107 NumberOfCodeBlocks, 2107 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2090 ConstructedInterpolants, 0 QuantifiedInterpolants, 373233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 482/493 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...