./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/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 81d3a03e2badb1d355e733e1f917b69305964186 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:42:00,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:42:00,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:42:00,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:42:00,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:42:00,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:42:00,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:42:00,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:42:00,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:42:00,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:42:00,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:42:00,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:42:00,051 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:42:00,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:42:00,052 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:42:00,053 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:42:00,054 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:42:00,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:42:00,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:42:00,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:42:00,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:42:00,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:42:00,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:42:00,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:42:00,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:42:00,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:42:00,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:42:00,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:42:00,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:42:00,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:42:00,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:42:00,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:42:00,065 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:42:00,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:42:00,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:42:00,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:42:00,067 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 14:42:00,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:42:00,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:42:00,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:42:00,078 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:42:00,079 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:42:00,079 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 14:42:00,080 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 14:42:00,080 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:42:00,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:42:00,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:42:00,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:42:00,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:42:00,082 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:42:00,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:42:00,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:42:00,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:42:00,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:42:00,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:42:00,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:42:00,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:42:00,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:42:00,083 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 14:42:00,084 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:42:00,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:42:00,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 14:42:00,084 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_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-12-09 14:42:00,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:42:00,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:42:00,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:42:00,121 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:42:00,122 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:42:00,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-09 14:42:00,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/data/ae9cabcdd/be3519b56d744966a350cf896ad69f4c/FLAG784f45b7a [2018-12-09 14:42:00,583 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:42:00,584 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-09 14:42:00,590 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/data/ae9cabcdd/be3519b56d744966a350cf896ad69f4c/FLAG784f45b7a [2018-12-09 14:42:00,598 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/data/ae9cabcdd/be3519b56d744966a350cf896ad69f4c [2018-12-09 14:42:00,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:42:00,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:42:00,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:42:00,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:42:00,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:42:00,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00, skipping insertion in model container [2018-12-09 14:42:00,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:42:00,630 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:42:00,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:42:00,825 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:42:00,878 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:42:00,892 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:42:00,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00 WrapperNode [2018-12-09 14:42:00,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:42:00,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:42:00,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:42:00,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:42:00,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:42:00,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:42:00,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:42:00,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:42:00,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... [2018-12-09 14:42:00,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:42:00,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:42:00,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:42:00,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:42:00,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:42:00,973 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 14:42:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 14:42:00,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 14:42:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 14:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 14:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 14:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 14:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 14:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 14:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 14:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 14:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 14:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 14:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 14:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 14:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 14:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 14:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 14:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 14:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 14:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 14:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 14:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 14:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 14:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 14:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 14:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 14:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 14:42:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 14:42:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 14:42:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 14:42:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 14:42:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 14:42:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 14:42:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 14:42:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:42:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:42:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 14:42:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 14:42:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 14:42:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 14:42:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 14:42:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 14:42:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:42:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:42:01,279 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:42:01,279 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 14:42:01,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:01 BoogieIcfgContainer [2018-12-09 14:42:01,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:42:01,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:42:01,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:42:01,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:42:01,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:42:00" (1/3) ... [2018-12-09 14:42:01,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414497e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:42:01, skipping insertion in model container [2018-12-09 14:42:01,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:00" (2/3) ... [2018-12-09 14:42:01,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414497e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:42:01, skipping insertion in model container [2018-12-09 14:42:01,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:01" (3/3) ... [2018-12-09 14:42:01,284 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-09 14:42:01,290 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:42:01,295 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:42:01,304 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:42:01,323 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:42:01,323 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:42:01,323 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:42:01,323 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:42:01,323 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:42:01,324 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:42:01,324 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:42:01,324 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:42:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-09 14:42:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 14:42:01,341 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:01,341 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:01,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:01,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-12-09 14:42:01,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:01,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:01,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:01,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:01,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 14:42:01,484 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:01,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 14:42:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 14:42:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:42:01,496 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-09 14:42:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:01,519 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-09 14:42:01,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 14:42:01,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 14:42:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:01,527 INFO L225 Difference]: With dead ends: 268 [2018-12-09 14:42:01,527 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 14:42:01,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:42:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 14:42:01,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 14:42:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 14:42:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-12-09 14:42:01,559 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-12-09 14:42:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:01,559 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-12-09 14:42:01,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 14:42:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-12-09 14:42:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 14:42:01,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:01,561 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:01,561 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:01,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-12-09 14:42:01,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:01,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:01,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,562 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:01,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:01,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 14:42:01,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:01,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:42:01,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:42:01,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:42:01,614 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-12-09 14:42:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:01,627 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-12-09 14:42:01,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:42:01,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 14:42:01,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:01,628 INFO L225 Difference]: With dead ends: 217 [2018-12-09 14:42:01,628 INFO L226 Difference]: Without dead ends: 125 [2018-12-09 14:42:01,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:42:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-09 14:42:01,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-09 14:42:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-09 14:42:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-12-09 14:42:01,636 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-12-09 14:42:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:01,637 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-12-09 14:42:01,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:42:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-12-09 14:42:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 14:42:01,638 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:01,638 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:01,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:01,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:01,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-12-09 14:42:01,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:01,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:01,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:01,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:01,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 14:42:01,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:01,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 14:42:01,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 14:42:01,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:42:01,714 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-12-09 14:42:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:01,862 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-12-09 14:42:01,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:42:01,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 14:42:01,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:01,864 INFO L225 Difference]: With dead ends: 226 [2018-12-09 14:42:01,864 INFO L226 Difference]: Without dead ends: 125 [2018-12-09 14:42:01,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:42:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-09 14:42:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-09 14:42:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-09 14:42:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-12-09 14:42:01,872 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-12-09 14:42:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:01,872 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-12-09 14:42:01,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 14:42:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-12-09 14:42:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 14:42:01,874 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:01,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:01,874 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:01,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:01,875 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-12-09 14:42:01,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:01,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:01,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:01,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:01,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:01,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 14:42:01,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:01,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 14:42:01,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 14:42:01,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 14:42:01,931 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-12-09 14:42:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:02,265 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-12-09 14:42:02,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:42:02,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 14:42:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:02,267 INFO L225 Difference]: With dead ends: 332 [2018-12-09 14:42:02,267 INFO L226 Difference]: Without dead ends: 231 [2018-12-09 14:42:02,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 14:42:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-12-09 14:42:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-12-09 14:42:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-09 14:42:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-12-09 14:42:02,284 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-12-09 14:42:02,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:02,284 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-12-09 14:42:02,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 14:42:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-12-09 14:42:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 14:42:02,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:02,285 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:02,286 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:02,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:02,286 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-12-09 14:42:02,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:02,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:02,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:02,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:02,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 14:42:02,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:02,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 14:42:02,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 14:42:02,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 14:42:02,348 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-12-09 14:42:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:02,375 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-12-09 14:42:02,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:42:02,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-09 14:42:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:02,377 INFO L225 Difference]: With dead ends: 409 [2018-12-09 14:42:02,377 INFO L226 Difference]: Without dead ends: 220 [2018-12-09 14:42:02,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 14:42:02,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-09 14:42:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-12-09 14:42:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-09 14:42:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-12-09 14:42:02,390 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-12-09 14:42:02,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:02,390 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-12-09 14:42:02,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 14:42:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-12-09 14:42:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 14:42:02,391 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:02,391 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:02,391 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:02,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:02,392 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-12-09 14:42:02,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:02,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:02,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:02,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:02,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:02,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:02,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:02,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:02,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:02,457 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-12-09 14:42:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:02,570 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-12-09 14:42:02,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:42:02,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 14:42:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:02,572 INFO L225 Difference]: With dead ends: 522 [2018-12-09 14:42:02,572 INFO L226 Difference]: Without dead ends: 329 [2018-12-09 14:42:02,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:42:02,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-09 14:42:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-12-09 14:42:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-12-09 14:42:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-12-09 14:42:02,602 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-12-09 14:42:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:02,602 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-12-09 14:42:02,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-12-09 14:42:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 14:42:02,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:02,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:02,604 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:02,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:02,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-12-09 14:42:02,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:02,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:02,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:02,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:02,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:02,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:02,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:02,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:02,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:02,691 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-12-09 14:42:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:02,818 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-12-09 14:42:02,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:42:02,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 14:42:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:02,821 INFO L225 Difference]: With dead ends: 702 [2018-12-09 14:42:02,821 INFO L226 Difference]: Without dead ends: 509 [2018-12-09 14:42:02,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:42:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-12-09 14:42:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-12-09 14:42:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-12-09 14:42:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-12-09 14:42:02,843 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-12-09 14:42:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:02,843 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-12-09 14:42:02,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-12-09 14:42:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 14:42:02,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:02,845 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:02,845 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:02,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:02,845 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-12-09 14:42:02,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:02,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:02,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:02,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:02,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 14:42:02,906 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:02,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:42:02,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:42:02,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:42:02,906 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-12-09 14:42:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:02,954 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-12-09 14:42:02,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 14:42:02,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-09 14:42:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:02,957 INFO L225 Difference]: With dead ends: 866 [2018-12-09 14:42:02,958 INFO L226 Difference]: Without dead ends: 507 [2018-12-09 14:42:02,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:42:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-12-09 14:42:02,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-12-09 14:42:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-12-09 14:42:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-12-09 14:42:02,984 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-12-09 14:42:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:02,984 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-12-09 14:42:02,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:42:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-12-09 14:42:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 14:42:02,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:02,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:02,986 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:02,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:02,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-12-09 14:42:02,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:02,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:02,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:02,988 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:03,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:03,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 14:42:03,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:03,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 14:42:03,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 14:42:03,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 14:42:03,044 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-12-09 14:42:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:03,066 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-12-09 14:42:03,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 14:42:03,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-09 14:42:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:03,068 INFO L225 Difference]: With dead ends: 861 [2018-12-09 14:42:03,068 INFO L226 Difference]: Without dead ends: 489 [2018-12-09 14:42:03,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 14:42:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-09 14:42:03,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-09 14:42:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-09 14:42:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-12-09 14:42:03,090 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-12-09 14:42:03,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:03,090 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-12-09 14:42:03,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 14:42:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-12-09 14:42:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 14:42:03,092 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:03,092 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:03,092 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:03,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:03,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-12-09 14:42:03,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:03,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:03,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:03,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:03,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:03,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:03,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 14:42:03,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:03,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:42:03,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:42:03,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:42:03,171 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-12-09 14:42:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:03,281 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-12-09 14:42:03,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 14:42:03,281 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-09 14:42:03,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:03,282 INFO L225 Difference]: With dead ends: 960 [2018-12-09 14:42:03,283 INFO L226 Difference]: Without dead ends: 495 [2018-12-09 14:42:03,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:42:03,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-09 14:42:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-12-09 14:42:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-09 14:42:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-12-09 14:42:03,297 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-12-09 14:42:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:03,297 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-12-09 14:42:03,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:42:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-12-09 14:42:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 14:42:03,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:03,299 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:03,299 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:03,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:03,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1443278463, now seen corresponding path program 1 times [2018-12-09 14:42:03,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:03,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:03,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:03,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:03,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 14:42:03,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:03,342 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:03,342 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-09 14:42:03,344 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 14:42:03,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:03,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:03,820 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:42:03,821 INFO L272 AbstractInterpreter]: Visited 62 different actions 91 times. Merged at 5 different actions 5 times. Never widened. Performed 4658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 14:42:03,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:03,826 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:42:04,066 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-09 14:42:04,066 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:42:04,199 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-09 14:42:04,199 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:42:04,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:42:04,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-09 14:42:04,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:04,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 14:42:04,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 14:42:04,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-09 14:42:04,201 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 19 states. [2018-12-09 14:42:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:06,680 INFO L93 Difference]: Finished difference Result 1076 states and 1254 transitions. [2018-12-09 14:42:06,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 14:42:06,680 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2018-12-09 14:42:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:06,682 INFO L225 Difference]: With dead ends: 1076 [2018-12-09 14:42:06,682 INFO L226 Difference]: Without dead ends: 622 [2018-12-09 14:42:06,683 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-09 14:42:06,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-12-09 14:42:06,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 615. [2018-12-09 14:42:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-12-09 14:42:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 698 transitions. [2018-12-09 14:42:06,702 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 698 transitions. Word has length 138 [2018-12-09 14:42:06,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:06,702 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 698 transitions. [2018-12-09 14:42:06,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 14:42:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 698 transitions. [2018-12-09 14:42:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 14:42:06,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:06,704 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 14:42:06,704 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:06,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2132432997, now seen corresponding path program 1 times [2018-12-09 14:42:06,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:06,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:06,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:06,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:06,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 14:42:06,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:06,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:06,771 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-09 14:42:06,771 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [90], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [136], [138], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 14:42:06,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:06,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:07,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:42:07,099 INFO L272 AbstractInterpreter]: Visited 67 different actions 155 times. Merged at 7 different actions 12 times. Never widened. Performed 10436 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10436 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 14:42:07,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:07,101 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:42:07,256 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-09 14:42:07,256 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:42:07,413 INFO L418 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-12-09 14:42:07,413 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:42:07,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:42:07,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-12-09 14:42:07,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:07,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 14:42:07,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 14:42:07,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2018-12-09 14:42:07,414 INFO L87 Difference]: Start difference. First operand 615 states and 698 transitions. Second operand 22 states. [2018-12-09 14:42:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:11,982 INFO L93 Difference]: Finished difference Result 1595 states and 1904 transitions. [2018-12-09 14:42:11,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 14:42:11,983 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 142 [2018-12-09 14:42:11,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:11,985 INFO L225 Difference]: With dead ends: 1595 [2018-12-09 14:42:11,985 INFO L226 Difference]: Without dead ends: 1141 [2018-12-09 14:42:11,986 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=1685, Unknown=0, NotChecked=0, Total=1980 [2018-12-09 14:42:11,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-12-09 14:42:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1091. [2018-12-09 14:42:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-12-09 14:42:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1253 transitions. [2018-12-09 14:42:12,019 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1253 transitions. Word has length 142 [2018-12-09 14:42:12,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:12,019 INFO L480 AbstractCegarLoop]: Abstraction has 1091 states and 1253 transitions. [2018-12-09 14:42:12,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 14:42:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1253 transitions. [2018-12-09 14:42:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 14:42:12,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:12,021 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 14:42:12,021 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:12,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:12,021 INFO L82 PathProgramCache]: Analyzing trace with hash -641316962, now seen corresponding path program 1 times [2018-12-09 14:42:12,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:12,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:12,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:12,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:12,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 14:42:12,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:12,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:12,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:12,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:12,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:12,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:12,065 INFO L87 Difference]: Start difference. First operand 1091 states and 1253 transitions. Second operand 6 states. [2018-12-09 14:42:12,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:12,104 INFO L93 Difference]: Finished difference Result 1629 states and 1876 transitions. [2018-12-09 14:42:12,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:42:12,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-12-09 14:42:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:12,107 INFO L225 Difference]: With dead ends: 1629 [2018-12-09 14:42:12,107 INFO L226 Difference]: Without dead ends: 1106 [2018-12-09 14:42:12,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:42:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-12-09 14:42:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2018-12-09 14:42:12,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2018-12-09 14:42:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1268 transitions. [2018-12-09 14:42:12,139 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1268 transitions. Word has length 142 [2018-12-09 14:42:12,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:12,139 INFO L480 AbstractCegarLoop]: Abstraction has 1106 states and 1268 transitions. [2018-12-09 14:42:12,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1268 transitions. [2018-12-09 14:42:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 14:42:12,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:12,141 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:12,141 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:12,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:12,141 INFO L82 PathProgramCache]: Analyzing trace with hash 690411200, now seen corresponding path program 1 times [2018-12-09 14:42:12,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:12,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:12,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:12,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:12,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 14:42:12,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:12,200 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:12,200 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-09 14:42:12,200 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 14:42:12,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:12,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:12,423 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:42:12,423 INFO L272 AbstractInterpreter]: Visited 91 different actions 111 times. Merged at 5 different actions 5 times. Never widened. Performed 6040 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6040 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 14:42:12,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:12,430 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:42:12,610 INFO L227 lantSequenceWeakener]: Weakened 109 states. On average, predicates are now at 96.8% of their original sizes. [2018-12-09 14:42:12,610 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:42:12,870 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-09 14:42:12,870 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:42:12,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:42:12,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [33] imperfect sequences [7] total 38 [2018-12-09 14:42:12,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:12,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-09 14:42:12,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-09 14:42:12,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2018-12-09 14:42:12,871 INFO L87 Difference]: Start difference. First operand 1106 states and 1268 transitions. Second operand 33 states. [2018-12-09 14:42:18,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:18,555 INFO L93 Difference]: Finished difference Result 2014 states and 2377 transitions. [2018-12-09 14:42:18,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 14:42:18,555 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 138 [2018-12-09 14:42:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:18,558 INFO L225 Difference]: With dead ends: 2014 [2018-12-09 14:42:18,558 INFO L226 Difference]: Without dead ends: 1447 [2018-12-09 14:42:18,559 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=303, Invalid=2349, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 14:42:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2018-12-09 14:42:18,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1399. [2018-12-09 14:42:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2018-12-09 14:42:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1607 transitions. [2018-12-09 14:42:18,596 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1607 transitions. Word has length 138 [2018-12-09 14:42:18,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:18,597 INFO L480 AbstractCegarLoop]: Abstraction has 1399 states and 1607 transitions. [2018-12-09 14:42:18,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-09 14:42:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1607 transitions. [2018-12-09 14:42:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 14:42:18,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:18,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:18,599 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:18,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:18,599 INFO L82 PathProgramCache]: Analyzing trace with hash -2084880862, now seen corresponding path program 1 times [2018-12-09 14:42:18,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:18,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:18,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:18,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:18,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 14:42:18,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:18,636 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:18,636 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-12-09 14:42:18,636 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [87], [90], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [136], [138], [165], [166], [169], [172], [176], [182], [183], [185], [188], [190], [192], [195], [197], [202], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 14:42:18,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:18,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:18,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:42:18,897 INFO L272 AbstractInterpreter]: Visited 99 different actions 163 times. Merged at 8 different actions 8 times. Never widened. Performed 8517 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8517 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-09 14:42:18,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:18,899 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:42:19,101 INFO L227 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 96.81% of their original sizes. [2018-12-09 14:42:19,101 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:42:19,298 INFO L418 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-12-09 14:42:19,298 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:42:19,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:42:19,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [5] total 34 [2018-12-09 14:42:19,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:19,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-12-09 14:42:19,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-12-09 14:42:19,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2018-12-09 14:42:19,299 INFO L87 Difference]: Start difference. First operand 1399 states and 1607 transitions. Second operand 31 states. [2018-12-09 14:42:22,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:22,632 INFO L93 Difference]: Finished difference Result 2330 states and 2704 transitions. [2018-12-09 14:42:22,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 14:42:22,632 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 146 [2018-12-09 14:42:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:22,636 INFO L225 Difference]: With dead ends: 2330 [2018-12-09 14:42:22,636 INFO L226 Difference]: Without dead ends: 1518 [2018-12-09 14:42:22,639 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=289, Invalid=2681, Unknown=0, NotChecked=0, Total=2970 [2018-12-09 14:42:22,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2018-12-09 14:42:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1475. [2018-12-09 14:42:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2018-12-09 14:42:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1690 transitions. [2018-12-09 14:42:22,692 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1690 transitions. Word has length 146 [2018-12-09 14:42:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:22,693 INFO L480 AbstractCegarLoop]: Abstraction has 1475 states and 1690 transitions. [2018-12-09 14:42:22,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-12-09 14:42:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1690 transitions. [2018-12-09 14:42:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 14:42:22,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:22,694 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 14:42:22,694 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:22,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:22,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1409667036, now seen corresponding path program 1 times [2018-12-09 14:42:22,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:22,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:22,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,695 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 14:42:22,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:22,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 14:42:22,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:22,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:42:22,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:42:22,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:42:22,764 INFO L87 Difference]: Start difference. First operand 1475 states and 1690 transitions. Second operand 10 states. [2018-12-09 14:42:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:22,898 INFO L93 Difference]: Finished difference Result 2950 states and 3437 transitions. [2018-12-09 14:42:22,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 14:42:22,898 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-12-09 14:42:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:22,903 INFO L225 Difference]: With dead ends: 2950 [2018-12-09 14:42:22,904 INFO L226 Difference]: Without dead ends: 1977 [2018-12-09 14:42:22,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:42:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-12-09 14:42:22,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1943. [2018-12-09 14:42:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2018-12-09 14:42:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2217 transitions. [2018-12-09 14:42:22,962 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2217 transitions. Word has length 142 [2018-12-09 14:42:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:22,962 INFO L480 AbstractCegarLoop]: Abstraction has 1943 states and 2217 transitions. [2018-12-09 14:42:22,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:42:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2217 transitions. [2018-12-09 14:42:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 14:42:22,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:22,964 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:22,964 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:22,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash 639548944, now seen corresponding path program 1 times [2018-12-09 14:42:22,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:22,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:22,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 14:42:23,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:23,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:23,060 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-09 14:42:23,060 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [40], [41], [42], [45], [47], [50], [57], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [98], [113], [114], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [165], [166], [169], [172], [176], [182], [183], [185], [190], [192], [195], [197], [202], [206], [208], [211], [215], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [269], [270], [271], [272], [275], [276], [279], [280], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 14:42:23,061 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:23,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:23,817 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:42:23,817 INFO L272 AbstractInterpreter]: Visited 118 different actions 574 times. Merged at 18 different actions 56 times. Never widened. Performed 25265 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-09 14:42:23,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:23,823 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:42:23,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:23,823 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:42:23,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:23,831 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:42:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:23,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:42:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 14:42:24,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:42:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 14:42:24,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:42:24,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 20 [2018-12-09 14:42:24,278 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:42:24,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 14:42:24,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 14:42:24,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-12-09 14:42:24,279 INFO L87 Difference]: Start difference. First operand 1943 states and 2217 transitions. Second operand 15 states. [2018-12-09 14:42:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:25,002 INFO L93 Difference]: Finished difference Result 3979 states and 5033 transitions. [2018-12-09 14:42:25,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 14:42:25,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 144 [2018-12-09 14:42:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:25,003 INFO L225 Difference]: With dead ends: 3979 [2018-12-09 14:42:25,003 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:42:25,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 278 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=358, Invalid=832, Unknown=0, NotChecked=0, Total=1190 [2018-12-09 14:42:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:42:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:42:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:42:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:42:25,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2018-12-09 14:42:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:25,011 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:42:25,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 14:42:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:42:25,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:42:25,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:42:25,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:25,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:42:26,577 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2018-12-09 14:42:26,698 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2018-12-09 14:42:27,070 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 44 [2018-12-09 14:42:27,376 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2018-12-09 14:42:27,696 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2018-12-09 14:42:27,882 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 21 [2018-12-09 14:42:28,245 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 22 [2018-12-09 14:42:28,477 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2018-12-09 14:42:29,293 WARN L180 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 58 [2018-12-09 14:42:29,423 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2018-12-09 14:42:29,559 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,559 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-12-09 14:42:29,559 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,560 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,560 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-12-09 14:42:29,560 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-12-09 14:42:29,560 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (and (= processEnvironment_~tmp~1 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-12-09 14:42:29,561 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,561 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:42:29,561 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:42:29,562 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse0) (and (<= ~waterLevel~0 1) .cse1 .cse0) (and (= ~waterLevel~0 2) .cse1 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-12-09 14:42:29,562 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~methaneLevelCritical~0 1))) (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse9 (not (= ~waterLevel~0 2))) (.cse11 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse8 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (= ~waterLevel~0 0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (or .cse4 .cse10))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or (or .cse2 .cse3) .cse1 .cse4 .cse5) (or .cse6 (or .cse7 .cse1 .cse3) .cse8 .cse5) (or .cse0 .cse4 .cse1 .cse3 .cse9) (or (or .cse5 .cse1 .cse3 .cse9) .cse4) (or .cse10 .cse11 .cse0 .cse8 .cse1) (or .cse11 .cse10 .cse1 .cse8 .cse5) (or (< 1 ~waterLevel~0) (or .cse7 .cse3) .cse0 .cse1 .cse6)))) [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-12-09 14:42:29,563 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-12-09 14:42:29,564 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-12-09 14:42:29,564 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse14 (= ~systemActive~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (and .cse15 .cse12 .cse11 .cse14 .cse5)) (.cse7 (and .cse15 (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse12 .cse14)) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not .cse14)) (.cse8 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (let ((.cse1 (= |old(~waterLevel~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse2))) .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse7 .cse8 (and .cse9 .cse5) (and .cse10 .cse9)) (or .cse3 (and .cse11 .cse9) (< 2 |old(~waterLevel~0)|) (and .cse12 .cse9 .cse5) .cse4) (or (= ~waterLevel~0 1) (or .cse8 .cse4 .cse2 .cse13)) (or .cse6 .cse7 (and (or .cse4 .cse8 .cse13) (or (or (not (= |old(~waterLevel~0)| 1)) .cse2) .cse4 .cse8)))))) [2018-12-09 14:42:29,564 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse4 .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and .cse3 .cse4) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 2))))))) [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) .cse7 .cse6)) (.cse1 (not .cse7)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) .cse1) (or (= ~waterLevel~0 1) (or .cse2 .cse1 .cse3 .cse4)) (or .cse5 (and (or .cse1 .cse2 .cse4) (or (or (not (= |old(~waterLevel~0)| 1)) .cse3) .cse1 .cse2))) (or (< 1 |old(~waterLevel~0)|) .cse5 .cse1 .cse2 .cse0)))) [2018-12-09 14:42:29,564 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-12-09 14:42:29,564 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-12-09 14:42:29,564 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or .cse2 (= __utac_acc__Specification3_spec__1_~tmp~5 0) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) (< 2 ~waterLevel~0) .cse2 .cse1))) [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse1) (or .cse2 (= __utac_acc__Specification3_spec__1_~tmp~5 0) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) (or .cse0 (< 2 ~waterLevel~0) .cse2 .cse1))) [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse2 .cse1))) [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:42:29,565 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 14:42:29,565 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:42:29,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse2 (= ~waterLevel~0 0))) (and (or .cse1 .cse2) (or .cse2 .cse3))) .cse4 .cse5) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse5) (or .cse4 .cse6 .cse5 .cse3 .cse7) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4 (< 2 ~waterLevel~0) .cse5))) [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (= ~waterLevel~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) .cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) .cse3) (or .cse2 (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse3) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse3))) [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-09 14:42:29,566 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-12-09 14:42:29,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:42:29 BoogieIcfgContainer [2018-12-09 14:42:29,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:42:29,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:42:29,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:42:29,574 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:42:29,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:01" (3/4) ... [2018-12-09 14:42:29,577 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 14:42:29,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 14:42:29,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 14:42:29,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 14:42:29,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 14:42:29,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 14:42:29,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 14:42:29,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 14:42:29,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 14:42:29,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:42:29,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:42:29,626 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6ae0410-e7a5-4a58-a708-8c8407dc1f47/bin-2019/utaipan/witness.graphml [2018-12-09 14:42:29,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:42:29,627 INFO L168 Benchmark]: Toolchain (without parser) took 29026.51 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 14:42:29,627 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:42:29,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 14:42:29,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:42:29,627 INFO L168 Benchmark]: Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:42:29,628 INFO L168 Benchmark]: RCFGBuilder took 343.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:42:29,628 INFO L168 Benchmark]: TraceAbstraction took 28293.86 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -69.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 14:42:29,628 INFO L168 Benchmark]: Witness Printer took 52.16 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 192.8 kB). Peak memory consumption was 192.8 kB. Max. memory is 11.5 GB. [2018-12-09 14:42:29,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 343.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28293.86 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -69.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 52.16 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 192.8 kB). Peak memory consumption was 192.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 28.2s OverallTime, 17 OverallIterations, 2 TraceHistogramMax, 18.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3020 SDtfs, 3030 SDslu, 18250 SDs, 0 SdLazy, 6821 SolverSat, 1125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1073 GetRequests, 782 SyntacticMatches, 14 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1943occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9973216498848826 AbsIntWeakeningRatio, 0.9142857142857143 AbsIntAvgWeakeningVarsNumRemoved, 33.20892857142857 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 245 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 4071 PreInvPairs, 4630 NumberOfFragments, 1736 HoareAnnotationTreeSize, 4071 FomulaSimplifications, 22690 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 54806 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1889 NumberOfCodeBlocks, 1889 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2014 ConstructedInterpolants, 0 QuantifiedInterpolants, 371300 SizeOfPredicates, 7 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 210/238 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...