./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/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 8271090c98217a098933d4a7a6aa5b00a536c5c8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:00:59,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:00:59,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:00:59,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:00:59,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:00:59,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:00:59,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:00:59,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:00:59,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:00:59,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:00:59,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:00:59,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:00:59,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:00:59,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:00:59,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:00:59,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:00:59,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:00:59,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:01:00,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:01:00,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:01:00,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:01:00,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:01:00,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:01:00,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:01:00,005 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:01:00,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:01:00,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:01:00,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:01:00,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:01:00,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:01:00,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:01:00,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:01:00,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:01:00,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:01:00,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:01:00,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:01:00,010 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:01:00,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:01:00,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:01:00,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:01:00,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:01:00,021 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:01:00,021 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:01:00,021 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:01:00,021 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:01:00,022 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:01:00,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:01:00,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:01:00,022 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:01:00,022 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:01:00,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:01:00,023 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:01:00,024 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:01:00,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:01:00,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:01:00,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:01:00,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:01:00,026 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_8aa707ed-1181-48cf-9774-9c449423bb6f/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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-11-18 16:01:00,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:01:00,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:01:00,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:01:00,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:01:00,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:01:00,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:00,105 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/data/8632ca925/598749e38b584be2901bfac151beb9fd/FLAG334d4aa4f [2018-11-18 16:01:00,525 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:01:00,525 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:00,532 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/data/8632ca925/598749e38b584be2901bfac151beb9fd/FLAG334d4aa4f [2018-11-18 16:01:00,539 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/data/8632ca925/598749e38b584be2901bfac151beb9fd [2018-11-18 16:01:00,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:01:00,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:01:00,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:00,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:01:00,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:01:00,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bea0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00, skipping insertion in model container [2018-11-18 16:01:00,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:01:00,589 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:01:00,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:00,800 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:01:00,906 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:00,928 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:01:00,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00 WrapperNode [2018-11-18 16:01:00,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:00,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:00,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:01:00,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:01:00,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:00,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:01:00,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:01:00,954 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:01:00,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... [2018-11-18 16:01:00,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:01:00,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:01:00,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:01:00,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:01:00,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:01:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:01:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:01:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:01:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:01:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:01:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:01:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:01:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:01:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:01:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:01:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:01:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:01:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:01:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:01:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:01:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:01:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:01:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:01:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:01:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:01:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:01:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:01:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:01:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:01:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:01:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:01:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:01:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:01:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:01:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:01:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:01:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:01:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:01:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:01:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:01:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:01:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:01:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:01:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:01:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:01:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:01:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:01:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:01:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 16:01:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 16:01:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:01:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:01:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:01:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:01:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:01:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:01:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:01:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:01:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:01:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:01:01,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:01:01,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:01 BoogieIcfgContainer [2018-11-18 16:01:01,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:01:01,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:01:01,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:01:01,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:01:01,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:01:00" (1/3) ... [2018-11-18 16:01:01,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1a7c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:01:01, skipping insertion in model container [2018-11-18 16:01:01,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:00" (2/3) ... [2018-11-18 16:01:01,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1a7c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:01:01, skipping insertion in model container [2018-11-18 16:01:01,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:01" (3/3) ... [2018-11-18 16:01:01,511 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:01,519 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:01:01,525 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:01:01,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:01:01,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:01:01,559 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:01:01,560 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:01:01,560 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:01:01,560 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:01:01,560 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:01:01,560 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:01:01,560 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:01:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-18 16:01:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:01:01,581 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:01,581 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:01,583 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:01,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:01,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1134524522, now seen corresponding path program 1 times [2018-11-18 16:01:01,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:01,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:01,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:01,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:01,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:01:01,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:01,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:01:01,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:01:01,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:01:01,799 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-18 16:01:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:01,828 INFO L93 Difference]: Finished difference Result 276 states and 343 transitions. [2018-11-18 16:01:01,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:01:01,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 16:01:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:01,836 INFO L225 Difference]: With dead ends: 276 [2018-11-18 16:01:01,837 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 16:01:01,839 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:01:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 16:01:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 16:01:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 16:01:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-11-18 16:01:01,869 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 52 [2018-11-18 16:01:01,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:01,870 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-11-18 16:01:01,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:01:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-11-18 16:01:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 16:01:01,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:01,872 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:01,872 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:01,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:01,872 INFO L82 PathProgramCache]: Analyzing trace with hash 917782928, now seen corresponding path program 1 times [2018-11-18 16:01:01,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:01,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:01,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:01,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:01,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:01:01,960 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:01,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:01:01,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:01:01,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:01:01,962 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2018-11-18 16:01:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:01,979 INFO L93 Difference]: Finished difference Result 223 states and 263 transitions. [2018-11-18 16:01:01,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:01:01,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 16:01:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:01,982 INFO L225 Difference]: With dead ends: 223 [2018-11-18 16:01:01,982 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:01:01,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:01:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:01:01,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 16:01:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 16:01:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2018-11-18 16:01:01,995 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 54 [2018-11-18 16:01:01,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:01,995 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2018-11-18 16:01:01,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:01:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2018-11-18 16:01:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:01:01,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:01,997 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:01,997 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:01,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:01,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1806671933, now seen corresponding path program 1 times [2018-11-18 16:01:01,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:01,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:01,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:01,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:02,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:02,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:01:02,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:02,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:01:02,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:01:02,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:01:02,108 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 7 states. [2018-11-18 16:01:02,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:02,432 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-11-18 16:01:02,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:01:02,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:01:02,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:02,434 INFO L225 Difference]: With dead ends: 232 [2018-11-18 16:01:02,434 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:01:02,435 INFO L604 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 [2018-11-18 16:01:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:01:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 16:01:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 16:01:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-18 16:01:02,449 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 58 [2018-11-18 16:01:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:02,449 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-18 16:01:02,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:01:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-18 16:01:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:01:02,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:02,452 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:02,452 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:02,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:02,452 INFO L82 PathProgramCache]: Analyzing trace with hash -888614366, now seen corresponding path program 1 times [2018-11-18 16:01:02,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:02,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:02,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:02,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:02,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:02,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:02,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:01:02,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:02,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:01:02,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:01:02,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:01:02,536 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 5 states. [2018-11-18 16:01:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:03,096 INFO L93 Difference]: Finished difference Result 347 states and 418 transitions. [2018-11-18 16:01:03,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:01:03,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 16:01:03,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:03,098 INFO L225 Difference]: With dead ends: 347 [2018-11-18 16:01:03,098 INFO L226 Difference]: Without dead ends: 243 [2018-11-18 16:01:03,099 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:01:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-18 16:01:03,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-11-18 16:01:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-18 16:01:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-18 16:01:03,121 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 71 [2018-11-18 16:01:03,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:03,123 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-18 16:01:03,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:01:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-18 16:01:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:01:03,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:03,124 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:03,125 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:03,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1319429796, now seen corresponding path program 1 times [2018-11-18 16:01:03,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:03,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:03,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:03,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:03,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:01:03,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:03,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:01:03,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:01:03,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:01:03,204 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 6 states. [2018-11-18 16:01:03,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:03,335 INFO L93 Difference]: Finished difference Result 552 states and 663 transitions. [2018-11-18 16:01:03,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:01:03,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 16:01:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:03,339 INFO L225 Difference]: With dead ends: 552 [2018-11-18 16:01:03,340 INFO L226 Difference]: Without dead ends: 352 [2018-11-18 16:01:03,340 INFO L604 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 [2018-11-18 16:01:03,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-18 16:01:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 348. [2018-11-18 16:01:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-11-18 16:01:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 404 transitions. [2018-11-18 16:01:03,365 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 404 transitions. Word has length 85 [2018-11-18 16:01:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:03,365 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 404 transitions. [2018-11-18 16:01:03,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:01:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 404 transitions. [2018-11-18 16:01:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:01:03,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:03,367 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:03,367 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:03,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:03,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2050988446, now seen corresponding path program 1 times [2018-11-18 16:01:03,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:03,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:03,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:03,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:03,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:01:03,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:03,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:01:03,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:01:03,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:01:03,494 INFO L87 Difference]: Start difference. First operand 348 states and 404 transitions. Second operand 6 states. [2018-11-18 16:01:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:03,690 INFO L93 Difference]: Finished difference Result 743 states and 897 transitions. [2018-11-18 16:01:03,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:01:03,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 16:01:03,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:03,695 INFO L225 Difference]: With dead ends: 743 [2018-11-18 16:01:03,695 INFO L226 Difference]: Without dead ends: 543 [2018-11-18 16:01:03,696 INFO L604 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 [2018-11-18 16:01:03,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-11-18 16:01:03,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 525. [2018-11-18 16:01:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-11-18 16:01:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 623 transitions. [2018-11-18 16:01:03,727 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 623 transitions. Word has length 89 [2018-11-18 16:01:03,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:03,728 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 623 transitions. [2018-11-18 16:01:03,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:01:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 623 transitions. [2018-11-18 16:01:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:01:03,729 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:03,729 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:03,730 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:03,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:03,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1128304863, now seen corresponding path program 1 times [2018-11-18 16:01:03,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:03,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:03,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:03,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:03,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:01:03,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:03,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:01:03,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:01:03,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:01:03,800 INFO L87 Difference]: Start difference. First operand 525 states and 623 transitions. Second operand 5 states. [2018-11-18 16:01:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:03,835 INFO L93 Difference]: Finished difference Result 912 states and 1104 transitions. [2018-11-18 16:01:03,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:01:03,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-18 16:01:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:03,841 INFO L225 Difference]: With dead ends: 912 [2018-11-18 16:01:03,841 INFO L226 Difference]: Without dead ends: 535 [2018-11-18 16:01:03,842 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:01:03,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-11-18 16:01:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 529. [2018-11-18 16:01:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-18 16:01:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 626 transitions. [2018-11-18 16:01:03,870 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 626 transitions. Word has length 89 [2018-11-18 16:01:03,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:03,870 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 626 transitions. [2018-11-18 16:01:03,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:01:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 626 transitions. [2018-11-18 16:01:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:01:03,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:03,872 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:03,873 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:03,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:03,873 INFO L82 PathProgramCache]: Analyzing trace with hash 284299361, now seen corresponding path program 1 times [2018-11-18 16:01:03,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:03,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:03,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:03,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:03,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:03,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:01:03,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:03,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:01:03,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:01:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:01:03,966 INFO L87 Difference]: Start difference. First operand 529 states and 626 transitions. Second operand 9 states. [2018-11-18 16:01:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:04,027 INFO L93 Difference]: Finished difference Result 1051 states and 1270 transitions. [2018-11-18 16:01:04,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:01:04,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-18 16:01:04,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:04,031 INFO L225 Difference]: With dead ends: 1051 [2018-11-18 16:01:04,031 INFO L226 Difference]: Without dead ends: 546 [2018-11-18 16:01:04,032 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:01:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2018-11-18 16:01:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 536. [2018-11-18 16:01:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-18 16:01:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 633 transitions. [2018-11-18 16:01:04,058 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 633 transitions. Word has length 89 [2018-11-18 16:01:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:04,059 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 633 transitions. [2018-11-18 16:01:04,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:01:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2018-11-18 16:01:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 16:01:04,060 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:04,061 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:04,061 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:04,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:04,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1049529498, now seen corresponding path program 1 times [2018-11-18 16:01:04,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:04,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:04,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:04,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:04,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:04,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:04,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:01:04,160 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-11-18 16:01:04,161 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [78], [84], [88], [92], [95], [100], [106], [108], [111], [128], [129], [130], [132], [135], [140], [141], [143], [148], [150], [151], [152], [153], [166], [170], [204], [205], [206], [208], [213], [215], [218], [220], [225], [239], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [263], [264], [265], [266], [271], [273], [274], [281], [282], [283], [284], [287], [291], [292], [295], [296], [299], [300], [301], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317] [2018-11-18 16:01:04,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:01:04,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:01:04,596 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:01:04,597 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2381 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2381 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:01:04,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:04,615 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:01:04,891 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.7% of their original sizes. [2018-11-18 16:01:04,891 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:01:05,012 INFO L415 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-11-18 16:01:05,013 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:01:05,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:01:05,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2018-11-18 16:01:05,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:05,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 16:01:05,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 16:01:05,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:01:05,014 INFO L87 Difference]: Start difference. First operand 536 states and 633 transitions. Second operand 15 states. [2018-11-18 16:01:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:06,935 INFO L93 Difference]: Finished difference Result 1176 states and 1413 transitions. [2018-11-18 16:01:06,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 16:01:06,935 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 101 [2018-11-18 16:01:06,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:06,937 INFO L225 Difference]: With dead ends: 1176 [2018-11-18 16:01:06,937 INFO L226 Difference]: Without dead ends: 664 [2018-11-18 16:01:06,938 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-11-18 16:01:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-11-18 16:01:06,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 660. [2018-11-18 16:01:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2018-11-18 16:01:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 779 transitions. [2018-11-18 16:01:06,956 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 779 transitions. Word has length 101 [2018-11-18 16:01:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:06,956 INFO L480 AbstractCegarLoop]: Abstraction has 660 states and 779 transitions. [2018-11-18 16:01:06,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 16:01:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 779 transitions. [2018-11-18 16:01:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 16:01:06,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:06,959 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:06,959 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:06,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:06,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1864508918, now seen corresponding path program 1 times [2018-11-18 16:01:06,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:06,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:06,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:06,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:06,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:07,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:07,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:01:07,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:07,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:01:07,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:01:07,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:01:07,033 INFO L87 Difference]: Start difference. First operand 660 states and 779 transitions. Second operand 10 states. [2018-11-18 16:01:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:07,231 INFO L93 Difference]: Finished difference Result 1633 states and 1991 transitions. [2018-11-18 16:01:07,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:01:07,231 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-18 16:01:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:07,234 INFO L225 Difference]: With dead ends: 1633 [2018-11-18 16:01:07,234 INFO L226 Difference]: Without dead ends: 1121 [2018-11-18 16:01:07,235 INFO L604 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 [2018-11-18 16:01:07,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2018-11-18 16:01:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1103. [2018-11-18 16:01:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2018-11-18 16:01:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1306 transitions. [2018-11-18 16:01:07,265 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1306 transitions. Word has length 105 [2018-11-18 16:01:07,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:07,265 INFO L480 AbstractCegarLoop]: Abstraction has 1103 states and 1306 transitions. [2018-11-18 16:01:07,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:01:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1306 transitions. [2018-11-18 16:01:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 16:01:07,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:07,267 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:07,267 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:07,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:07,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1162547108, now seen corresponding path program 1 times [2018-11-18 16:01:07,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:07,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:07,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:07,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:07,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:01:07,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:07,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:01:07,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:07,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:01:07,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:01:07,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:01:07,336 INFO L87 Difference]: Start difference. First operand 1103 states and 1306 transitions. Second operand 10 states. [2018-11-18 16:01:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:07,548 INFO L93 Difference]: Finished difference Result 2064 states and 2449 transitions. [2018-11-18 16:01:07,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:01:07,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-18 16:01:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:07,552 INFO L225 Difference]: With dead ends: 2064 [2018-11-18 16:01:07,552 INFO L226 Difference]: Without dead ends: 1109 [2018-11-18 16:01:07,553 INFO L604 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 [2018-11-18 16:01:07,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2018-11-18 16:01:07,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1081. [2018-11-18 16:01:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-11-18 16:01:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1244 transitions. [2018-11-18 16:01:07,583 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1244 transitions. Word has length 105 [2018-11-18 16:01:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:07,583 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1244 transitions. [2018-11-18 16:01:07,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:01:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1244 transitions. [2018-11-18 16:01:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 16:01:07,586 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:07,586 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-11-18 16:01:07,586 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:07,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:07,587 INFO L82 PathProgramCache]: Analyzing trace with hash -235878589, now seen corresponding path program 1 times [2018-11-18 16:01:07,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:07,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:07,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:07,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:07,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:01:07,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:07,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:01:07,639 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 16:01:07,640 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [78], [84], [88], [92], [95], [98], [100], [106], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [146], [150], [151], [152], [153], [163], [166], [170], [176], [204], [205], [206], [208], [211], [213], [215], [218], [220], [225], [231], [234], [238], [239], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [263], [264], [265], [266], [271], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317] [2018-11-18 16:01:07,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:01:07,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:01:07,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:01:07,932 INFO L272 AbstractInterpreter]: Visited 99 different actions 168 times. Merged at 5 different actions 5 times. Never widened. Performed 7149 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7149 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:01:07,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:07,943 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:01:08,197 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 96.72% of their original sizes. [2018-11-18 16:01:08,198 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:01:08,437 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-18 16:01:08,437 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:01:08,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:01:08,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [6] total 35 [2018-11-18 16:01:08,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:08,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-18 16:01:08,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-18 16:01:08,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2018-11-18 16:01:08,438 INFO L87 Difference]: Start difference. First operand 1081 states and 1244 transitions. Second operand 31 states. [2018-11-18 16:01:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:12,891 INFO L93 Difference]: Finished difference Result 2240 states and 2600 transitions. [2018-11-18 16:01:12,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 16:01:12,892 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 153 [2018-11-18 16:01:12,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:12,895 INFO L225 Difference]: With dead ends: 2240 [2018-11-18 16:01:12,896 INFO L226 Difference]: Without dead ends: 1183 [2018-11-18 16:01:12,897 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=240, Invalid=1740, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 16:01:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-11-18 16:01:12,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1162. [2018-11-18 16:01:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2018-11-18 16:01:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1324 transitions. [2018-11-18 16:01:12,997 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1324 transitions. Word has length 153 [2018-11-18 16:01:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:12,997 INFO L480 AbstractCegarLoop]: Abstraction has 1162 states and 1324 transitions. [2018-11-18 16:01:12,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-18 16:01:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1324 transitions. [2018-11-18 16:01:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:01:12,999 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:12,999 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:13,000 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:13,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:13,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1045263739, now seen corresponding path program 1 times [2018-11-18 16:01:13,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:13,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:13,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:13,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:13,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:01:13,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:13,059 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:01:13,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 16:01:13,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [78], [84], [88], [92], [95], [98], [100], [103], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [146], [150], [151], [152], [153], [156], [158], [160], [163], [166], [170], [176], [204], [205], [206], [208], [211], [213], [215], [218], [220], [225], [231], [234], [238], [239], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [263], [264], [265], [266], [271], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317] [2018-11-18 16:01:13,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:01:13,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:01:13,273 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:01:13,273 INFO L272 AbstractInterpreter]: Visited 81 different actions 128 times. Merged at 6 different actions 6 times. Never widened. Performed 6366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:01:13,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:13,283 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:01:13,444 INFO L227 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 96.56% of their original sizes. [2018-11-18 16:01:13,444 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:01:13,556 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-18 16:01:13,556 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:01:13,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:01:13,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-18 16:01:13,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:13,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 16:01:13,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 16:01:13,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:01:13,558 INFO L87 Difference]: Start difference. First operand 1162 states and 1324 transitions. Second operand 21 states. [2018-11-18 16:01:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:17,012 INFO L93 Difference]: Finished difference Result 2424 states and 2860 transitions. [2018-11-18 16:01:17,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 16:01:17,012 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 161 [2018-11-18 16:01:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:17,016 INFO L225 Difference]: With dead ends: 2424 [2018-11-18 16:01:17,016 INFO L226 Difference]: Without dead ends: 1491 [2018-11-18 16:01:17,018 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 16:01:17,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2018-11-18 16:01:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1458. [2018-11-18 16:01:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2018-11-18 16:01:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1675 transitions. [2018-11-18 16:01:17,064 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1675 transitions. Word has length 161 [2018-11-18 16:01:17,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:17,065 INFO L480 AbstractCegarLoop]: Abstraction has 1458 states and 1675 transitions. [2018-11-18 16:01:17,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 16:01:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1675 transitions. [2018-11-18 16:01:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 16:01:17,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:17,068 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-11-18 16:01:17,068 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:17,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:17,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1270757306, now seen corresponding path program 1 times [2018-11-18 16:01:17,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:17,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:17,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:17,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:17,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 16:01:17,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:17,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:01:17,140 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 16:01:17,141 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [71], [72], [74], [78], [84], [88], [92], [95], [98], [100], [106], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [152], [153], [163], [166], [170], [176], [204], [205], [206], [208], [211], [213], [215], [218], [220], [225], [231], [234], [238], [239], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [263], [264], [265], [266], [271], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317] [2018-11-18 16:01:17,143 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:01:17,143 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:01:17,528 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:01:17,528 INFO L272 AbstractInterpreter]: Visited 107 different actions 129 times. Merged at 5 different actions 5 times. Never widened. Performed 6477 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6477 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:01:17,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:17,536 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:01:17,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:17,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:01:17,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:17,543 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:01:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:01:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:01:17,800 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:01:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:01:18,348 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:01:18,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 16:01:18,348 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:01:18,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 16:01:18,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 16:01:18,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:01:18,350 INFO L87 Difference]: Start difference. First operand 1458 states and 1675 transitions. Second operand 15 states. [2018-11-18 16:01:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:20,000 INFO L93 Difference]: Finished difference Result 3425 states and 4393 transitions. [2018-11-18 16:01:20,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 16:01:20,001 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-11-18 16:01:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:20,009 INFO L225 Difference]: With dead ends: 3425 [2018-11-18 16:01:20,009 INFO L226 Difference]: Without dead ends: 1991 [2018-11-18 16:01:20,013 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 16:01:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2018-11-18 16:01:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1471. [2018-11-18 16:01:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1471 states. [2018-11-18 16:01:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1659 transitions. [2018-11-18 16:01:20,098 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1659 transitions. Word has length 153 [2018-11-18 16:01:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:20,098 INFO L480 AbstractCegarLoop]: Abstraction has 1471 states and 1659 transitions. [2018-11-18 16:01:20,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 16:01:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1659 transitions. [2018-11-18 16:01:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:01:20,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:01:20,102 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 16:01:20,102 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:01:20,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:20,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1894578647, now seen corresponding path program 1 times [2018-11-18 16:01:20,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:01:20,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:20,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:20,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:20,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:01:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:01:20,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:20,191 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:01:20,191 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 16:01:20,192 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [70], [71], [72], [73], [74], [78], [84], [88], [92], [95], [98], [100], [103], [108], [111], [128], [129], [130], [132], [135], [140], [141], [143], [146], [148], [150], [151], [152], [153], [156], [158], [160], [166], [170], [176], [204], [205], [206], [208], [211], [213], [215], [218], [220], [225], [231], [239], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [263], [264], [265], [266], [267], [268], [271], [273], [274], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [315], [316], [317] [2018-11-18 16:01:20,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:01:20,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:01:21,336 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:01:21,336 INFO L272 AbstractInterpreter]: Visited 116 different actions 680 times. Merged at 35 different actions 151 times. Widened at 1 different actions 2 times. Performed 27843 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 28 fixpoints after 9 different actions. Largest state had 132 variables. [2018-11-18 16:01:21,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:21,342 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:01:21,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:01:21,343 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:01:21,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:21,349 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:01:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:21,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:01:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:01:21,539 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:01:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:01:21,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:01:21,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-18 16:01:21,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:01:21,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:01:21,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:01:21,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:01:21,778 INFO L87 Difference]: Start difference. First operand 1471 states and 1659 transitions. Second operand 8 states. [2018-11-18 16:01:22,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:22,099 INFO L93 Difference]: Finished difference Result 2642 states and 3020 transitions. [2018-11-18 16:01:22,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:01:22,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-18 16:01:22,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:01:22,101 INFO L225 Difference]: With dead ends: 2642 [2018-11-18 16:01:22,101 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:01:22,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:01:22,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:01:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:01:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:01:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:01:22,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-18 16:01:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:01:22,105 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:01:22,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:01:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:01:22,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:01:22,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:01:22,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:01:22,957 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-18 16:01:23,103 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2018-11-18 16:01:23,263 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-11-18 16:01:23,430 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2018-11-18 16:01:23,559 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2018-11-18 16:01:24,037 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-11-18 16:01:24,408 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 63 [2018-11-18 16:01:24,582 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-18 16:01:24,734 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2018-11-18 16:01:25,162 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 63 [2018-11-18 16:01:25,325 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-11-18 16:01:25,448 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2018-11-18 16:01:25,704 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-11-18 16:01:25,874 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2018-11-18 16:01:26,146 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-11-18 16:01:27,039 WARN L180 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 64 [2018-11-18 16:01:27,162 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2018-11-18 16:01:27,162 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2018-11-18 16:01:27,162 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2018-11-18 16:01:27,162 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2018-11-18 16:01:27,162 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,163 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:01:27,163 INFO L421 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:01:27,163 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L425 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L425 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-18 16:01:27,163 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,163 INFO L421 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,164 INFO L421 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,164 INFO L425 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2018-11-18 16:01:27,164 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2018-11-18 16:01:27,164 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse6 (not (= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse4 .cse6) .cse7 .cse8) (or .cse6 .cse0 .cse5 .cse4 .cse8) (or .cse8 (or .cse1 .cse5 .cse4) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or (or .cse0 .cse1 .cse5 .cse4) .cse8))) [2018-11-18 16:01:27,164 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 .cse5 .cse4) .cse6) (or .cse0 .cse5 (< 2 ~waterLevel~0) .cse4) (or (or .cse5 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-18 16:01:27,164 INFO L425 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2018-11-18 16:01:27,164 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2018-11-18 16:01:27,164 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3))) [2018-11-18 16:01:27,164 INFO L421 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= processEnvironment__wrappee__methaneQuery_~tmp~2 1)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 1)) (and .cse2 .cse3) (< 2 ~waterLevel~0) .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse2 (or .cse5 .cse1 .cse4) .cse7) (or (or .cse1 .cse4 (not (= ~waterLevel~0 2))) .cse7 (and .cse3 (= ~pumpRunning~0 0))) (or .cse0 .cse5 .cse6 .cse4))) [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L421 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= 0 ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3) (or .cse2 .cse7 .cse0 .cse1 .cse4) (or .cse4 (or .cse5 .cse0 .cse1) .cse3) (or .cse7 .cse5 .cse6 .cse1) (or (or .cse7 .cse5 .cse0 .cse1) .cse4))) [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2018-11-18 16:01:27,165 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2018-11-18 16:01:27,165 INFO L428 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L421 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 .cse5 .cse4) .cse6) (or .cse0 .cse5 (< 2 ~waterLevel~0) .cse4) (or (or .cse5 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L421 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 .cse5 .cse4) .cse6) (or .cse0 .cse5 (< 2 ~waterLevel~0) .cse4) (or (or .cse5 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2018-11-18 16:01:27,166 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse6 (not (= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse4 .cse6) .cse7 .cse8) (or .cse6 .cse0 .cse5 .cse4 .cse8) (or .cse8 (or .cse1 .cse5 .cse4) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or (or .cse0 .cse1 .cse5 .cse4) .cse8))) [2018-11-18 16:01:27,167 INFO L421 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= 0 ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3) (or .cse2 .cse7 .cse0 .cse1 .cse4) (or .cse4 (or .cse5 .cse0 .cse1) .cse3) (or .cse7 .cse5 .cse6 .cse1) (or (or .cse7 .cse5 .cse0 .cse1) .cse4))) [2018-11-18 16:01:27,167 INFO L425 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L421 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 .cse5 .cse4) .cse6) (or .cse0 .cse5 (< 2 ~waterLevel~0) .cse4) (or (or .cse5 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-18 16:01:27,167 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2018-11-18 16:01:27,167 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-18 16:01:27,167 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2018-11-18 16:01:27,167 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-11-18 16:01:27,167 INFO L421 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and .cse1 .cse5 .cse3)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L421 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (<= ~waterLevel~0 1) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:01:27,168 INFO L421 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (<= ~waterLevel~0 1) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 486 531) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L421 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:01:27,168 INFO L425 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2018-11-18 16:01:27,168 INFO L421 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and .cse5 .cse6 .cse3)) (not (= ~systemActive~0 1)) (and .cse6 .cse2 .cse7 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 (and .cse7 .cse6 .cse3)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse3 .cse4)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) .cse1 .cse0 .cse2) (or (or .cse3 .cse4 .cse2 (not (= ~waterLevel~0 2))) .cse0)))) [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2018-11-18 16:01:27,169 INFO L425 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 16:01:27,170 INFO L421 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse3 .cse2) (or .cse1 (< 2 ~waterLevel~0) .cse3 (not (= ~methaneLevelCritical~0 0)) (and .cse2 (= ~methaneLevelCritical~0 activatePump_~tmp~4))) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))))) [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L428 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2018-11-18 16:01:27,170 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2018-11-18 16:01:27,171 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (= ~methaneLevelCritical~0 1))) (and (or .cse0 (or (or .cse1 .cse2) .cse3) .cse4) (or .cse5 .cse0 .cse3 .cse2 .cse4) (or (or .cse6 (< 1 ~waterLevel~0) .cse5 .cse2) .cse7) (or .cse7 (or (or .cse6 .cse1 .cse2) .cse3)) (or (not (= ~waterLevel~0 2)) .cse6 .cse5 .cse2 .cse7))) [2018-11-18 16:01:27,171 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2018-11-18 16:01:27,171 INFO L425 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2018-11-18 16:01:27,171 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse18 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse14 (= ~waterLevel~0 2)) (.cse13 (= ~waterLevel~0 1)) (.cse17 (= 0 ~pumpRunning~0)) (.cse16 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= ~pumpRunning~0 1))) (let ((.cse5 (and .cse16 .cse15)) (.cse10 (and (or .cse14 .cse13) .cse17)) (.cse12 (and .cse8 .cse9)) (.cse11 (or .cse0 .cse18 .cse3)) (.cse6 (or .cse18 .cse3)) (.cse4 (and .cse16 .cse17)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6) .cse7) (or (and (or .cse2 .cse3 .cse8) (or .cse2 .cse3 .cse9)) .cse7 .cse10) (or (or .cse1 .cse11) .cse5) (or .cse12 .cse0 .cse2 .cse3 .cse10) (or (and (or .cse13 .cse14) .cse15) (or .cse12 .cse11)) (or .cse2 .cse14 .cse3 .cse7 .cse8) (or (or (and .cse9 .cse8) .cse6) .cse7 (or (and .cse15 .cse14) (and (= 1 ~waterLevel~0) .cse15))) (or .cse4 (or .cse1 .cse2 .cse3) .cse7)))) [2018-11-18 16:01:27,171 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2018-11-18 16:01:27,171 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse17 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse15 (= ~waterLevel~0 2)) (.cse16 (= 0 ~pumpRunning~0))) (let ((.cse8 (and (or .cse15 (= ~waterLevel~0 1)) .cse16)) (.cse14 (and .cse5 .cse6)) (.cse9 (or .cse0 .cse17 .cse3)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (or .cse17 .cse3)) (.cse11 (= ~pumpRunning~0 1)) (.cse4 (and .cse10 .cse16)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or (and (or .cse2 .cse3 .cse5) (or .cse2 .cse3 .cse6)) .cse7 .cse8) (or (or .cse1 .cse9) (and .cse10 .cse11)) (or (or .cse6 .cse12) .cse13 .cse7) (or .cse14 .cse0 .cse2 .cse3 .cse8) (or (or .cse14 .cse9) (and .cse13 .cse11)) (or .cse2 .cse15 .cse3 .cse7 .cse5) (or (or .cse12 (< 2 |old(~waterLevel~0)|)) .cse7 (and .cse10 (<= ~waterLevel~0 1) .cse11)) (or .cse4 (or .cse1 .cse2 .cse3) .cse7)))) [2018-11-18 16:01:27,172 INFO L421 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse19 (= 0 ~pumpRunning~0)) (.cse22 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse20 (= ~pumpRunning~0 1)) (.cse15 (not (= ~methaneLevelCritical~0 1))) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse15 .cse21 .cse2)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (and .cse22 .cse20)) (.cse8 (and .cse22 .cse19)) (.cse1 (and .cse22 (<= ~waterLevel~0 2) .cse20)) (.cse16 (< 2 |old(~waterLevel~0)|)) (.cse12 (and .cse4 .cse17)) (.cse10 (= ~waterLevel~0 1)) (.cse9 (= ~waterLevel~0 2)) (.cse14 (or .cse21 .cse2)) (.cse13 (and .cse18 .cse20)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse11 (and .cse18 .cse19)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse6) .cse7 .cse8) (or .cse0 (or .cse9 .cse10) .cse2 .cse3 .cse4) (or .cse11 (or .cse12 .cse6) .cse13) (or .cse8 (or .cse5 .cse14) .cse3 .cse7) (or .cse15 .cse0 .cse8 .cse7 .cse16 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 .cse17 .cse3) (or .cse0 .cse8 .cse1 .cse16 .cse2 .cse3) (or .cse12 .cse15 .cse0 (or .cse10 .cse9) .cse2) (or (or (and .cse17 .cse4) .cse14) .cse13 .cse3 .cse11) (or .cse15 .cse0 (= ~pumpRunning~0 0) .cse2 .cse17)))) [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L421 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 1))) (let ((.cse12 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~pumpRunning~0 1)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not .cse13))) (let ((.cse2 (or .cse14 .cse10)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse7 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse11 (or .cse12 .cse14 .cse10)) (.cse4 (and (= ~waterLevel~0 2) .cse13)) (.cse5 (and (= 1 ~waterLevel~0) .cse3)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (and .cse0 .cse1) .cse2) (or (and .cse3 .cse4) .cse5) .cse6) (or .cse7 (or .cse8 .cse2) .cse6) (or (or .cse8 .cse9 .cse10) .cse6) (or (or .cse8 .cse11) .cse7) (or (or (and .cse1 .cse0) .cse11) (or (and .cse4 .cse3) .cse5)) (or .cse12 .cse9 (< 2 |old(~waterLevel~0)|) .cse10) (or (or .cse9 .cse10 .cse1) .cse6))))) [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L428 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-11-18 16:01:27,172 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 189 203) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L428 ceAbstractionStarter]: At program point L189-3(lines 189 203) the Hoare annotation is: true [2018-11-18 16:01:27,172 INFO L428 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-18 16:01:27,172 INFO L428 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-11-18 16:01:27,172 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L421 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse6 .cse3 .cse5) (or .cse2 .cse6 .cse3 .cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse6 .cse3))) [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-11-18 16:01:27,173 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-18 16:01:27,173 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L428 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2) (or (< 1 ~waterLevel~0) .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-18 16:01:27,174 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 1))) (let ((.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not .cse8)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (or (and (= ~waterLevel~0 2) .cse8) (= 1 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 (< 1 |old(~waterLevel~0)|) .cse2) .cse3) (or (or .cse1 .cse4 (< 2 |old(~waterLevel~0)|) .cse2) .cse0) (or .cse5 (and (or (or .cse4 .cse1 .cse6) .cse2) (or .cse4 .cse2 .cse1 .cse7))) (or (or (and (or .cse1 .cse7) (or .cse1 .cse6)) .cse2) .cse5 .cse3)))) [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:01:27,174 INFO L421 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)) [2018-11-18 16:01:27,174 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:01:27,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:01:27,175 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2018-11-18 16:01:27,175 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2018-11-18 16:01:27,175 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse11 (= ~waterLevel~0 2)) (.cse10 (= ~waterLevel~0 1))) (let ((.cse7 (or .cse11 .cse10)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (and .cse5 .cse6) .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4 (= 1 ~waterLevel~0)) (or (and .cse6 .cse5) .cse9 .cse8 .cse3 .cse7) (or (< 2 |old(~waterLevel~0)|) (or .cse9 .cse2 .cse3) .cse0) (or (and (or .cse9 .cse6) (or .cse9 .cse5)) .cse2 .cse3 (or .cse10 .cse11)) (or (or .cse9 .cse1 .cse8 .cse3) .cse0) (or .cse0 (or .cse1 .cse8 .cse3) .cse4)))) [2018-11-18 16:01:27,175 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2018-11-18 16:01:27,175 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-11-18 16:01:27,175 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2018-11-18 16:01:27,175 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2018-11-18 16:01:27,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:01:27 BoogieIcfgContainer [2018-11-18 16:01:27,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:01:27,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:01:27,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:01:27,193 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:01:27,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:01" (3/4) ... [2018-11-18 16:01:27,200 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:01:27,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:01:27,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:01:27,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:01:27,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:01:27,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:01:27,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:01:27,212 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 16:01:27,212 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:01:27,213 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:01:27,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:01:27,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:01:27,267 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8aa707ed-1181-48cf-9774-9c449423bb6f/bin-2019/utaipan/witness.graphml [2018-11-18 16:01:27,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:01:27,268 INFO L168 Benchmark]: Toolchain (without parser) took 26725.98 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 955.7 MB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 278.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,268 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:01:27,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 955.7 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:01:27,269 INFO L168 Benchmark]: Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,269 INFO L168 Benchmark]: RCFGBuilder took 526.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,269 INFO L168 Benchmark]: TraceAbstraction took 25685.15 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,270 INFO L168 Benchmark]: Witness Printer took 74.66 ms. Allocated memory is still 2.8 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 242.6 kB). Peak memory consumption was 242.6 kB. Max. memory is 11.5 GB. [2018-11-18 16:01:27,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 955.7 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25685.15 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 74.66 ms. Allocated memory is still 2.8 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 242.6 kB). Peak memory consumption was 242.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 151 locations, 1 error locations. SAFE Result, 25.6s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 13.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2948 SDtfs, 2761 SDslu, 12897 SDs, 0 SdLazy, 6068 SolverSat, 1161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1229 GetRequests, 988 SyntacticMatches, 19 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1471occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9971160148448562 AbsIntWeakeningRatio, 0.9174757281553398 AbsIntAvgWeakeningVarsNumRemoved, 53.480582524271846 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 681 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4032 PreInvPairs, 4178 NumberOfFragments, 3640 HoareAnnotationTreeSize, 4032 FomulaSimplifications, 11668 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 29280 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1838 NumberOfCodeBlocks, 1838 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2132 ConstructedInterpolants, 0 QuantifiedInterpolants, 422885 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1563 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 372/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...