./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:19:02,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:19:02,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:19:02,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:19:02,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:19:02,931 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:19:02,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:19:02,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:19:02,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:19:02,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:19:02,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:19:02,937 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:19:02,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:19:02,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:19:02,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:19:02,940 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:19:02,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:19:02,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:19:02,943 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:19:02,945 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:19:02,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:19:02,946 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:19:02,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:19:02,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:19:02,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:19:02,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:19:02,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:19:02,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:19:02,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:19:02,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:19:02,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:19:02,954 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:19:02,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:19:02,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:19:02,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:19:02,955 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:19:02,955 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:19:02,967 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:19:02,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:19:02,968 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:19:02,968 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:19:02,968 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:19:02,968 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:19:02,968 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:19:02,968 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:19:02,969 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:19:02,969 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:19:02,969 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:19:02,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:19:02,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:19:02,970 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:19:02,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:19:02,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:19:02,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:19:02,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:19:02,975 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_d09214ca-a276-493c-b286-5b05dfd7792e/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2018-10-26 22:19:03,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:19:03,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:19:03,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:19:03,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:19:03,015 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:19:03,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-10-26 22:19:03,062 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/data/208f34ec0/c335c549da08412a99b6297173f8dd90/FLAGfc4b4812b [2018-10-26 22:19:03,435 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:19:03,436 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-10-26 22:19:03,445 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/data/208f34ec0/c335c549da08412a99b6297173f8dd90/FLAGfc4b4812b [2018-10-26 22:19:03,457 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/data/208f34ec0/c335c549da08412a99b6297173f8dd90 [2018-10-26 22:19:03,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:19:03,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:19:03,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:19:03,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:19:03,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:19:03,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d620b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03, skipping insertion in model container [2018-10-26 22:19:03,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:19:03,520 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:19:03,727 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:19:03,736 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:19:03,811 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:19:03,827 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:19:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03 WrapperNode [2018-10-26 22:19:03,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:19:03,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:19:03,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:19:03,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:19:03,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:19:03,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:19:03,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:19:03,949 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:19:03,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... [2018-10-26 22:19:03,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:19:03,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:19:03,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:19:03,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:19:03,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/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 [2018-10-26 22:19:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:19:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:19:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:19:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:19:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:19:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:19:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 22:19:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 22:19:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:19:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:19:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 22:19:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 22:19:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:19:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:19:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:19:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:19:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:19:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:19:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 22:19:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 22:19:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 22:19:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 22:19:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:19:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:19:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 22:19:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 22:19:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:19:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:19:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:19:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:19:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:19:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:19:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:19:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:19:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:19:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:19:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:19:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:19:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:19:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:19:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:19:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:19:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:19:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:19:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:19:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:19:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:19:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:19:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:19:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:19:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:19:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:19:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:19:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:19:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:19:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:19:05,231 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:19:05,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:05 BoogieIcfgContainer [2018-10-26 22:19:05,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:19:05,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:19:05,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:19:05,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:19:05,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:19:03" (1/3) ... [2018-10-26 22:19:05,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3301f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:19:05, skipping insertion in model container [2018-10-26 22:19:05,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:03" (2/3) ... [2018-10-26 22:19:05,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3301f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:19:05, skipping insertion in model container [2018-10-26 22:19:05,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:05" (3/3) ... [2018-10-26 22:19:05,238 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-10-26 22:19:05,247 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:19:05,253 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:19:05,266 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:19:05,295 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:19:05,296 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:19:05,296 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:19:05,296 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:19:05,296 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:19:05,296 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:19:05,297 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:19:05,297 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:19:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-10-26 22:19:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:19:05,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:05,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:19:05,337 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:05,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:05,347 INFO L82 PathProgramCache]: Analyzing trace with hash 73964922, now seen corresponding path program 1 times [2018-10-26 22:19:05,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:05,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:05,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,384 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:05,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:19:05,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:19:05,608 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:05,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:19:05,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:19:05,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:19:05,629 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-10-26 22:19:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:05,672 INFO L93 Difference]: Finished difference Result 268 states and 329 transitions. [2018-10-26 22:19:05,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:19:05,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:19:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:05,687 INFO L225 Difference]: With dead ends: 268 [2018-10-26 22:19:05,687 INFO L226 Difference]: Without dead ends: 134 [2018-10-26 22:19:05,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:19:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-26 22:19:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-10-26 22:19:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-10-26 22:19:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-10-26 22:19:05,744 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 46 [2018-10-26 22:19:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:05,745 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-10-26 22:19:05,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:19:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-10-26 22:19:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:19:05,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:05,747 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:19:05,748 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:05,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:05,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1446510431, now seen corresponding path program 1 times [2018-10-26 22:19:05,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:05,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:05,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,749 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:05,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:19:05,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:19:05,853 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:05,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:19:05,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:19:05,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:19:05,855 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 3 states. [2018-10-26 22:19:05,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:05,892 INFO L93 Difference]: Finished difference Result 211 states and 245 transitions. [2018-10-26 22:19:05,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:19:05,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:19:05,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:05,894 INFO L225 Difference]: With dead ends: 211 [2018-10-26 22:19:05,895 INFO L226 Difference]: Without dead ends: 124 [2018-10-26 22:19:05,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:19:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-26 22:19:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-10-26 22:19:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-26 22:19:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-10-26 22:19:05,922 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 48 [2018-10-26 22:19:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:05,922 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-10-26 22:19:05,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:19:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-10-26 22:19:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:19:05,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:05,924 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] [2018-10-26 22:19:05,924 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:05,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1773873128, now seen corresponding path program 1 times [2018-10-26 22:19:05,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:05,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:05,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:05,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:06,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:19:06,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:19:06,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:06,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:19:06,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:19:06,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:19:06,507 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 7 states. [2018-10-26 22:19:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:07,395 INFO L93 Difference]: Finished difference Result 224 states and 263 transitions. [2018-10-26 22:19:07,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:19:07,395 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 22:19:07,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:07,396 INFO L225 Difference]: With dead ends: 224 [2018-10-26 22:19:07,397 INFO L226 Difference]: Without dead ends: 124 [2018-10-26 22:19:07,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:19:07,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-26 22:19:07,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-10-26 22:19:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-26 22:19:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2018-10-26 22:19:07,410 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 53 [2018-10-26 22:19:07,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:07,411 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2018-10-26 22:19:07,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:19:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2018-10-26 22:19:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:19:07,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:07,414 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] [2018-10-26 22:19:07,414 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:07,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:07,414 INFO L82 PathProgramCache]: Analyzing trace with hash -756219719, now seen corresponding path program 1 times [2018-10-26 22:19:07,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:07,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:07,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:07,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:07,417 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:07,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:19:07,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:19:07,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:07,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:19:07,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:19:07,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:19:07,713 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 5 states. [2018-10-26 22:19:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:08,598 INFO L93 Difference]: Finished difference Result 325 states and 389 transitions. [2018-10-26 22:19:08,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:19:08,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-10-26 22:19:08,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:08,602 INFO L225 Difference]: With dead ends: 325 [2018-10-26 22:19:08,602 INFO L226 Difference]: Without dead ends: 225 [2018-10-26 22:19:08,603 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:19:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-10-26 22:19:08,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 205. [2018-10-26 22:19:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-10-26 22:19:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 232 transitions. [2018-10-26 22:19:08,627 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 232 transitions. Word has length 66 [2018-10-26 22:19:08,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:08,628 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 232 transitions. [2018-10-26 22:19:08,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:19:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 232 transitions. [2018-10-26 22:19:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:19:08,630 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:08,630 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] [2018-10-26 22:19:08,630 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:08,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:08,631 INFO L82 PathProgramCache]: Analyzing trace with hash 607401486, now seen corresponding path program 1 times [2018-10-26 22:19:08,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:08,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:08,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:08,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:08,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:09,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:19:09,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 22:19:09,736 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:09,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:19:09,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:19:09,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:19:09,737 INFO L87 Difference]: Start difference. First operand 205 states and 232 transitions. Second operand 10 states. [2018-10-26 22:19:10,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:10,509 INFO L93 Difference]: Finished difference Result 658 states and 812 transitions. [2018-10-26 22:19:10,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 22:19:10,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2018-10-26 22:19:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:10,513 INFO L225 Difference]: With dead ends: 658 [2018-10-26 22:19:10,514 INFO L226 Difference]: Without dead ends: 477 [2018-10-26 22:19:10,515 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:19:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-10-26 22:19:10,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 467. [2018-10-26 22:19:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-10-26 22:19:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 547 transitions. [2018-10-26 22:19:10,557 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 547 transitions. Word has length 80 [2018-10-26 22:19:10,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:10,557 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 547 transitions. [2018-10-26 22:19:10,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:19:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 547 transitions. [2018-10-26 22:19:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 22:19:10,562 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:10,563 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:19:10,563 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:10,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:10,563 INFO L82 PathProgramCache]: Analyzing trace with hash -922707129, now seen corresponding path program 1 times [2018-10-26 22:19:10,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:10,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:10,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:10,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:10,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:19:10,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:10,752 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:19:10,752 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-10-26 22:19:10,754 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [54], [55], [58], [60], [61], [64], [66], [69], [76], [79], [81], [85], [91], [95], [99], [105], [107], [113], [115], [121], [124], [134], [135], [136], [137], [138], [139], [140], [141], [142], [144], [147], [151], [152], [189], [192], [196], [202], [205], [209], [213], [214], [217], [219], [222], [232], [242], [245], [246], [247], [248], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [279], [280], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-10-26 22:19:10,813 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:19:10,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:19:16,278 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:19:16,279 INFO L272 AbstractInterpreter]: Visited 59 different actions 59 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-26 22:19:16,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:16,296 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:19:21,434 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 97.2% of their original sizes. [2018-10-26 22:19:21,434 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:19:22,049 INFO L415 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-10-26 22:19:22,049 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:19:22,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:19:22,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-10-26 22:19:22,050 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:19:22,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-26 22:19:22,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-26 22:19:22,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:19:22,051 INFO L87 Difference]: Start difference. First operand 467 states and 547 transitions. Second operand 24 states. [2018-10-26 22:19:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:41,668 INFO L93 Difference]: Finished difference Result 889 states and 1057 transitions. [2018-10-26 22:19:41,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-26 22:19:41,668 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 132 [2018-10-26 22:19:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:41,671 INFO L225 Difference]: With dead ends: 889 [2018-10-26 22:19:41,671 INFO L226 Difference]: Without dead ends: 446 [2018-10-26 22:19:41,672 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=185, Invalid=937, Unknown=0, NotChecked=0, Total=1122 [2018-10-26 22:19:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-10-26 22:19:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 423. [2018-10-26 22:19:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-10-26 22:19:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 489 transitions. [2018-10-26 22:19:41,708 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 489 transitions. Word has length 132 [2018-10-26 22:19:41,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:41,709 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 489 transitions. [2018-10-26 22:19:41,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-26 22:19:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 489 transitions. [2018-10-26 22:19:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 22:19:41,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:41,714 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:19:41,714 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:41,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:41,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1699252685, now seen corresponding path program 1 times [2018-10-26 22:19:41,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:19:41,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:41,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:41,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:41,715 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:19:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:19:41,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:41,814 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:19:41,814 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-10-26 22:19:41,815 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [54], [55], [58], [60], [61], [64], [66], [69], [76], [79], [81], [85], [91], [95], [99], [102], [105], [107], [113], [115], [121], [124], [134], [135], [136], [137], [138], [139], [140], [141], [142], [144], [147], [151], [152], [189], [192], [196], [202], [205], [209], [213], [214], [217], [219], [222], [232], [237], [241], [242], [245], [246], [247], [248], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [279], [280], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-10-26 22:19:41,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:19:41,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:19:52,068 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:19:52,068 INFO L272 AbstractInterpreter]: Visited 64 different actions 94 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-26 22:19:52,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:52,080 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:20:05,369 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.21% of their original sizes. [2018-10-26 22:20:05,369 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:20:05,909 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-10-26 22:20:05,909 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:20:05,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:20:05,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-10-26 22:20:05,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:20:05,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-26 22:20:05,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-26 22:20:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2018-10-26 22:20:05,911 INFO L87 Difference]: Start difference. First operand 423 states and 489 transitions. Second operand 27 states. [2018-10-26 22:20:34,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:34,407 INFO L93 Difference]: Finished difference Result 1205 states and 1570 transitions. [2018-10-26 22:20:34,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-26 22:20:34,407 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 136 [2018-10-26 22:20:34,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:34,411 INFO L225 Difference]: With dead ends: 1205 [2018-10-26 22:20:34,411 INFO L226 Difference]: Without dead ends: 868 [2018-10-26 22:20:34,414 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=336, Invalid=1826, Unknown=0, NotChecked=0, Total=2162 [2018-10-26 22:20:34,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2018-10-26 22:20:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 704. [2018-10-26 22:20:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2018-10-26 22:20:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 834 transitions. [2018-10-26 22:20:34,487 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 834 transitions. Word has length 136 [2018-10-26 22:20:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:34,488 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 834 transitions. [2018-10-26 22:20:34,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-26 22:20:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 834 transitions. [2018-10-26 22:20:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:20:34,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:34,491 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 22:20:34,491 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:34,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:34,491 INFO L82 PathProgramCache]: Analyzing trace with hash 88460424, now seen corresponding path program 1 times [2018-10-26 22:20:34,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:20:34,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:34,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:34,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:34,494 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:20:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:20:34,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:20:34,632 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:20:34,632 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-10-26 22:20:34,632 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [54], [55], [59], [60], [61], [64], [66], [69], [76], [79], [81], [85], [91], [95], [99], [102], [107], [113], [115], [121], [124], [134], [135], [136], [137], [138], [139], [140], [141], [142], [144], [147], [151], [152], [189], [192], [196], [202], [205], [209], [213], [214], [217], [219], [222], [232], [237], [241], [242], [245], [246], [247], [248], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [279], [280], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-10-26 22:20:34,635 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:20:34,635 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:20:38,417 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:20:38,417 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-26 22:20:38,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:38,424 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:20:42,203 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.19% of their original sizes. [2018-10-26 22:20:42,203 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:20:42,496 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-10-26 22:20:42,497 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:20:42,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:20:42,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [5] total 25 [2018-10-26 22:20:42,497 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:20:42,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-26 22:20:42,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-26 22:20:42,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-10-26 22:20:42,498 INFO L87 Difference]: Start difference. First operand 704 states and 834 transitions. Second operand 22 states. [2018-10-26 22:20:54,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:54,735 INFO L93 Difference]: Finished difference Result 1221 states and 1494 transitions. [2018-10-26 22:20:54,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 22:20:54,735 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 140 [2018-10-26 22:20:54,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:54,738 INFO L225 Difference]: With dead ends: 1221 [2018-10-26 22:20:54,738 INFO L226 Difference]: Without dead ends: 603 [2018-10-26 22:20:54,740 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2018-10-26 22:20:54,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-10-26 22:20:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 533. [2018-10-26 22:20:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-10-26 22:20:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 616 transitions. [2018-10-26 22:20:54,791 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 616 transitions. Word has length 140 [2018-10-26 22:20:54,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:54,791 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 616 transitions. [2018-10-26 22:20:54,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-26 22:20:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 616 transitions. [2018-10-26 22:20:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 22:20:54,794 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:54,794 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:54,795 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:54,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:54,795 INFO L82 PathProgramCache]: Analyzing trace with hash -567827632, now seen corresponding path program 1 times [2018-10-26 22:20:54,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:20:54,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:54,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:54,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:54,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:20:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:20:54,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:20:54,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:20:54,991 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:20:54,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:20:54,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:20:54,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:20:54,992 INFO L87 Difference]: Start difference. First operand 533 states and 616 transitions. Second operand 6 states. [2018-10-26 22:20:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:55,068 INFO L93 Difference]: Finished difference Result 880 states and 1031 transitions. [2018-10-26 22:20:55,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:20:55,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-26 22:20:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:55,072 INFO L225 Difference]: With dead ends: 880 [2018-10-26 22:20:55,072 INFO L226 Difference]: Without dead ends: 543 [2018-10-26 22:20:55,073 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:20:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-10-26 22:20:55,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2018-10-26 22:20:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-10-26 22:20:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 626 transitions. [2018-10-26 22:20:55,125 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 626 transitions. Word has length 136 [2018-10-26 22:20:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:55,127 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 626 transitions. [2018-10-26 22:20:55,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:20:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 626 transitions. [2018-10-26 22:20:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 22:20:55,129 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:55,129 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:55,129 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:55,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:55,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1077300722, now seen corresponding path program 1 times [2018-10-26 22:20:55,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:20:55,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:55,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:55,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:55,133 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:20:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:20:55,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:20:55,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:20:55,544 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:20:55,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:20:55,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:20:55,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:20:55,545 INFO L87 Difference]: Start difference. First operand 543 states and 626 transitions. Second operand 6 states. [2018-10-26 22:20:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:20:55,876 INFO L93 Difference]: Finished difference Result 552 states and 635 transitions. [2018-10-26 22:20:55,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:20:55,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-26 22:20:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:20:55,883 INFO L225 Difference]: With dead ends: 552 [2018-10-26 22:20:55,883 INFO L226 Difference]: Without dead ends: 549 [2018-10-26 22:20:55,884 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:20:55,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-10-26 22:20:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 543. [2018-10-26 22:20:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-10-26 22:20:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 625 transitions. [2018-10-26 22:20:55,930 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 625 transitions. Word has length 136 [2018-10-26 22:20:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:20:55,932 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 625 transitions. [2018-10-26 22:20:55,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:20:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 625 transitions. [2018-10-26 22:20:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:20:55,935 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:55,935 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:55,936 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:55,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash 776130768, now seen corresponding path program 1 times [2018-10-26 22:20:55,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:20:55,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:55,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:55,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:55,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:20:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:20:56,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:20:56,060 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:20:56,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-10-26 22:20:56,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [55], [59], [60], [61], [64], [66], [72], [76], [79], [80], [81], [85], [91], [95], [99], [102], [105], [107], [113], [115], [121], [124], [134], [135], [136], [137], [138], [139], [140], [141], [142], [144], [149], [151], [152], [189], [192], [196], [202], [205], [209], [213], [214], [217], [219], [222], [229], [232], [237], [241], [242], [245], [246], [247], [248], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [269], [270], [271], [272], [273], [274], [279], [280], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [305], [306] [2018-10-26 22:20:56,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:20:56,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:21:26,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:21:26,571 INFO L272 AbstractInterpreter]: Visited 98 different actions 334 times. Merged at 18 different actions 34 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 133 variables. [2018-10-26 22:21:26,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:21:26,584 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:21:41,416 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 97.37% of their original sizes. [2018-10-26 22:21:41,416 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:21:42,832 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-10-26 22:21:42,832 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:21:42,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:21:42,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [44] imperfect sequences [10] total 52 [2018-10-26 22:21:42,833 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:21:42,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-10-26 22:21:42,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-10-26 22:21:42,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1680, Unknown=0, NotChecked=0, Total=1892 [2018-10-26 22:21:42,834 INFO L87 Difference]: Start difference. First operand 543 states and 625 transitions. Second operand 44 states. [2018-10-26 22:22:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:38,833 INFO L93 Difference]: Finished difference Result 1412 states and 1814 transitions. [2018-10-26 22:22:38,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-26 22:22:38,833 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 140 [2018-10-26 22:22:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:38,836 INFO L225 Difference]: With dead ends: 1412 [2018-10-26 22:22:38,836 INFO L226 Difference]: Without dead ends: 955 [2018-10-26 22:22:38,840 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 88 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1990 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=694, Invalid=5468, Unknown=0, NotChecked=0, Total=6162 [2018-10-26 22:22:38,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-10-26 22:22:38,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 691. [2018-10-26 22:22:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-10-26 22:22:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 786 transitions. [2018-10-26 22:22:38,918 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 786 transitions. Word has length 140 [2018-10-26 22:22:38,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:38,919 INFO L481 AbstractCegarLoop]: Abstraction has 691 states and 786 transitions. [2018-10-26 22:22:38,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-10-26 22:22:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 786 transitions. [2018-10-26 22:22:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:22:38,922 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:38,922 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:22:38,922 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:38,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:38,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1050890382, now seen corresponding path program 1 times [2018-10-26 22:22:38,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:38,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:38,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:38,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:38,924 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:22:39,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:39,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:22:39,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:39,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:22:39,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:22:39,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:22:39,549 INFO L87 Difference]: Start difference. First operand 691 states and 786 transitions. Second operand 9 states. [2018-10-26 22:22:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:39,692 INFO L93 Difference]: Finished difference Result 1270 states and 1461 transitions. [2018-10-26 22:22:39,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:22:39,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2018-10-26 22:22:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:39,695 INFO L225 Difference]: With dead ends: 1270 [2018-10-26 22:22:39,695 INFO L226 Difference]: Without dead ends: 663 [2018-10-26 22:22:39,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:22:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-10-26 22:22:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2018-10-26 22:22:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-10-26 22:22:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 753 transitions. [2018-10-26 22:22:39,768 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 753 transitions. Word has length 140 [2018-10-26 22:22:39,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:39,769 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 753 transitions. [2018-10-26 22:22:39,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:22:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 753 transitions. [2018-10-26 22:22:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:22:39,772 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:39,772 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:22:39,773 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:39,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:39,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1631107448, now seen corresponding path program 1 times [2018-10-26 22:22:39,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:39,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:39,774 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 22:22:39,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:39,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:22:39,862 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:39,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:22:39,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:22:39,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:22:39,862 INFO L87 Difference]: Start difference. First operand 663 states and 753 transitions. Second operand 6 states. [2018-10-26 22:22:39,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:39,956 INFO L93 Difference]: Finished difference Result 1257 states and 1451 transitions. [2018-10-26 22:22:39,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:22:39,957 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-10-26 22:22:39,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:39,959 INFO L225 Difference]: With dead ends: 1257 [2018-10-26 22:22:39,959 INFO L226 Difference]: Without dead ends: 678 [2018-10-26 22:22:39,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:22:39,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-10-26 22:22:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2018-10-26 22:22:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-10-26 22:22:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 769 transitions. [2018-10-26 22:22:40,034 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 769 transitions. Word has length 189 [2018-10-26 22:22:40,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:40,034 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 769 transitions. [2018-10-26 22:22:40,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:22:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 769 transitions. [2018-10-26 22:22:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:22:40,038 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:40,038 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:22:40,038 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:40,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:40,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1653739702, now seen corresponding path program 1 times [2018-10-26 22:22:40,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:40,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:40,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:40,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:40,039 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 22:22:40,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:40,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:22:40,299 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:40,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:22:40,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:22:40,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:22:40,300 INFO L87 Difference]: Start difference. First operand 678 states and 769 transitions. Second operand 8 states. [2018-10-26 22:22:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:40,353 INFO L93 Difference]: Finished difference Result 858 states and 973 transitions. [2018-10-26 22:22:40,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:22:40,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2018-10-26 22:22:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:40,354 INFO L225 Difference]: With dead ends: 858 [2018-10-26 22:22:40,354 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:22:40,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:22:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:22:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:22:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:22:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:22:40,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2018-10-26 22:22:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:40,356 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:22:40,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:22:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:22:40,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:22:40,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:22:41,019 WARN L179 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 281 [2018-10-26 22:22:41,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:22:41,989 WARN L179 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 314 [2018-10-26 22:22:42,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:22:42,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:22:42,480 WARN L179 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 282 [2018-10-26 22:22:43,509 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 346 DAG size of output: 333 [2018-10-26 22:22:43,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:22:44,001 WARN L179 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 313 [2018-10-26 22:22:44,351 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2018-10-26 22:22:44,702 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-10-26 22:22:44,877 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-10-26 22:22:45,075 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 51 [2018-10-26 22:22:45,965 WARN L179 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 60 [2018-10-26 22:22:46,387 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 30 [2018-10-26 22:22:46,566 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-10-26 22:22:46,789 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 56 [2018-10-26 22:22:47,223 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2018-10-26 22:22:47,354 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 43 [2018-10-26 22:22:48,397 WARN L179 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 83 [2018-10-26 22:22:48,531 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-10-26 22:22:48,741 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 55 [2018-10-26 22:22:49,557 WARN L179 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 51 [2018-10-26 22:22:50,959 WARN L179 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 383 DAG size of output: 51 [2018-10-26 22:22:52,479 WARN L179 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 83 [2018-10-26 22:22:52,938 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2018-10-26 22:22:53,131 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-10-26 22:22:53,247 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 43 [2018-10-26 22:22:53,289 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2018-10-26 22:22:53,289 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-10-26 22:22:53,289 INFO L428 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-10-26 22:22:53,289 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-10-26 22:22:53,289 INFO L425 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-10-26 22:22:53,290 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-10-26 22:22:53,290 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (and (or (< 3 (+ ~pumpRunning~0 ~waterLevel~0)) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< .cse0 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) (< 0 .cse0)))) [2018-10-26 22:22:53,290 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-10-26 22:22:53,290 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (and (or (< 3 (+ ~pumpRunning~0 ~waterLevel~0)) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< .cse0 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) (< 0 .cse0)))) [2018-10-26 22:22:53,290 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-10-26 22:22:53,290 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,290 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-10-26 22:22:53,290 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (let ((.cse0 (+ main_~tmp~4 ~pumpRunning~0))) (and (<= .cse0 1) (= main_~tmp~4 ~systemActive~0) (<= main_~tmp~4 ~waterLevel~0) (<= ~waterLevel~0 main_~tmp~4) (<= 1 .cse0) (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,291 INFO L421 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (let ((.cse0 (+ main_~tmp~4 ~pumpRunning~0))) (and (<= .cse0 1) (= main_~tmp~4 ~systemActive~0) (<= main_~tmp~4 ~waterLevel~0) (<= ~waterLevel~0 main_~tmp~4) (<= 1 .cse0) (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,291 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-10-26 22:22:53,291 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-10-26 22:22:53,291 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-10-26 22:22:53,291 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-26 22:22:53,291 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,291 INFO L421 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,291 INFO L421 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,291 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2018-10-26 22:22:53,291 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2018-10-26 22:22:53,294 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2018-10-26 22:22:53,294 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-10-26 22:22:53,294 INFO L428 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-10-26 22:22:53,294 INFO L425 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2018-10-26 22:22:53,295 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2018-10-26 22:22:53,295 INFO L425 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L421 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:22:53,296 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-10-26 22:22:53,296 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 .cse0 (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) .cse1))) [2018-10-26 22:22:53,297 INFO L421 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) .cse1))) [2018-10-26 22:22:53,297 INFO L425 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-10-26 22:22:53,297 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-10-26 22:22:53,297 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-10-26 22:22:53,297 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-10-26 22:22:53,297 INFO L425 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2018-10-26 22:22:53,297 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,297 INFO L421 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= .cse0 2) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (= ~pumpRunning~0 0) .cse1) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (let ((.cse2 (+ ~systemActive~0 2147483646))) (and (and (<= test_~tmp___0~3 .cse2) (<= 0 (+ ~systemActive~0 test_~tmp___0~3 2147483647))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= 2 (* 2 ~systemActive~0)) (<= .cse0 3) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 .cse2)) (= ~pumpRunning~0 1) .cse1)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:22:53,297 INFO L421 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (<= ~systemActive~0 (+ test_~tmp~9 2147483649))) (.cse3 (= test_~splverifierCounter~0 0))) (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (let ((.cse0 (+ ~systemActive~0 2147483646))) (and (and (<= test_~tmp___0~3 .cse0) (<= 0 (+ ~systemActive~0 test_~tmp___0~3 2147483647))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 .cse0)) (<= (+ ~systemActive~0 test_~tmp~9) 2147483648) (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse1 3) (= ~pumpRunning~0 1) .cse2 .cse3)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)) (and (<= .cse1 2) (<= (+ ~pumpRunning~0 test_~tmp~9) 2147483647) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (= ~pumpRunning~0 0) .cse2 .cse3))) [2018-10-26 22:22:53,297 INFO L425 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L909-1(lines 909 956) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L421 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L421 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and (and (<= ~pumpRunning~0 (+ test_~tmp___2~0 2147483648)) (and (<= test_~tmp___0~3 (+ ~waterLevel~0 2147483646)) (<= ~pumpRunning~0 (+ test_~tmp___0~3 2147483648)) (<= 1 .cse0) (<= (+ ~systemActive~0 ~waterLevel~0) 2)) (<= (+ ~waterLevel~0 test_~tmp___2~0) 2147483648)) (<= ~waterLevel~0 (+ test_~splverifierCounter~0 1)) (<= (+ ~systemActive~0 test_~tmp~9) 2147483648) (<= ~waterLevel~0 ~systemActive~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) (= ~pumpRunning~0 0) (<= ~systemActive~0 (+ test_~tmp~9 2147483649))) (let ((.cse1 (+ ~systemActive~0 2147483646))) (and (and (<= test_~tmp___0~3 .cse1) (<= 0 (+ ~systemActive~0 test_~tmp___0~3 2147483647))) (let ((.cse2 (<= test_~tmp___2~0 .cse1))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= 2 (* 2 ~systemActive~0)) (<= .cse0 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse2) (let ((.cse3 (+ ~pumpRunning~0 1))) (and (<= .cse3 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse0 3) (<= ~waterLevel~0 .cse3) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse2)))) (<= 2 .cse0) (= test_~splverifierCounter~0 0))) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2018-10-26 22:22:53,298 INFO L421 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and (and (<= ~pumpRunning~0 (+ test_~tmp___2~0 2147483648)) (and (<= test_~tmp___0~3 (+ ~waterLevel~0 2147483646)) (<= ~pumpRunning~0 (+ test_~tmp___0~3 2147483648)) (<= 1 .cse0) (<= (+ ~systemActive~0 ~waterLevel~0) 2)) (<= (+ ~waterLevel~0 test_~tmp___2~0) 2147483648)) (<= ~waterLevel~0 (+ test_~splverifierCounter~0 1)) (<= (+ ~systemActive~0 test_~tmp~9) 2147483648) (<= ~waterLevel~0 ~systemActive~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) (= ~pumpRunning~0 0) (<= ~systemActive~0 (+ test_~tmp~9 2147483649))) (let ((.cse1 (+ ~systemActive~0 2147483646))) (and (and (<= test_~tmp___0~3 .cse1) (<= 0 (+ ~systemActive~0 test_~tmp___0~3 2147483647))) (let ((.cse2 (<= test_~tmp___2~0 .cse1))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= 2 (* 2 ~systemActive~0)) (<= .cse0 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse2) (let ((.cse3 (+ ~pumpRunning~0 1))) (and (<= .cse3 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse0 3) (<= ~waterLevel~0 .cse3) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse2)))) (<= 2 .cse0) (= test_~splverifierCounter~0 0))) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:22:53,298 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L421 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (<= (+ ~systemActive~0 test_~tmp___0~3) 2147483648)) (.cse2 (<= ~systemActive~0 (+ test_~tmp___0~3 2147483649))) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse0 (<= 1 .cse1) (<= ~waterLevel~0 ~systemActive~0) .cse2 .cse3) (<= (+ ~systemActive~0 test_~tmp~9) 2147483648) (= ~pumpRunning~0 0) (<= ~systemActive~0 (+ test_~tmp~9 2147483649))) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 .cse1) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (= ~systemActive~0 1) (<= ~waterLevel~0 (+ test_~splverifierCounter~0 2)) .cse0 .cse2 .cse3)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-10-26 22:22:53,299 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 0 (* 2 |old(~pumpRunning~0)|)) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 22:22:53,301 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2018-10-26 22:22:53,301 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2018-10-26 22:22:53,301 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2018-10-26 22:22:53,301 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-10-26 22:22:53,302 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 447 461) no Hoare annotation was computed. [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-10-26 22:22:53,302 INFO L428 ceAbstractionStarter]: At program point L447-3(lines 447 461) the Hoare annotation is: true [2018-10-26 22:22:53,303 INFO L428 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-10-26 22:22:53,303 INFO L425 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-10-26 22:22:53,303 INFO L428 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-10-26 22:22:53,303 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 22:22:53,303 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3)) (.cse2 (< 0 .cse1))) (and (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) .cse0 (< .cse1 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (or .cse0 (< |old(~waterLevel~0)| (+ ~systemActive~0 1))) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-10-26 22:22:53,303 INFO L425 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-10-26 22:22:53,303 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse5 (+ ~systemActive~0 ~waterLevel~0)) (.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3)) (.cse6 (< 0 .cse3)) (.cse0 (<= .cse5 3)) (.cse4 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) .cse0 .cse1) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) .cse2 (< .cse3 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (and (<= 1 .cse4) (<= .cse5 2) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or (or .cse2 (< |old(~waterLevel~0)| (+ ~systemActive~0 1))) .cse6 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (and .cse0 (<= 2 .cse4) .cse1))))) [2018-10-26 22:22:53,303 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-10-26 22:22:53,303 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-10-26 22:22:53,303 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse4 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse3 (* 2 |old(~pumpRunning~0)|)) (.cse7 (+ ~systemActive~0 ~waterLevel~0))) (let ((.cse1 (<= .cse7 2)) (.cse2 (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3)) (.cse6 (< 0 .cse3)) (.cse0 (<= 2 .cse4)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1 (<= ~pumpRunning~0 ~systemActive~0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) .cse2 (< .cse3 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (and (<= 1 .cse4) .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or (or .cse2 (< |old(~waterLevel~0)| (+ ~systemActive~0 1))) .cse6 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (and (<= .cse7 3) .cse0 .cse5))))) [2018-10-26 22:22:53,304 INFO L421 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse4 (* 2 |old(~pumpRunning~0)|)) (.cse5 (+ ~systemActive~0 ~waterLevel~0))) (let ((.cse0 (<= 1 (+ ~pumpRunning~0 ~waterLevel~0))) (.cse1 (<= .cse5 2)) (.cse3 (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3)) (.cse2 (< 0 .cse4))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (and .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and .cse0 .cse1 (= ~pumpRunning~0 0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) .cse3 (< .cse4 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (or (or .cse3 (< |old(~waterLevel~0)| (+ ~systemActive~0 1))) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse5 3) (= ~pumpRunning~0 1)))))) [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2018-10-26 22:22:53,304 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:22:53,304 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) [2018-10-26 22:22:53,304 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-10-26 22:22:53,304 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-10-26 22:22:53,304 INFO L425 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (let ((.cse1 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) .cse0))) [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse1 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) .cse0))) [2018-10-26 22:22:53,305 INFO L425 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:22:53,305 INFO L425 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (and (= 0 ~pumpRunning~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~5 1)) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 22:22:53,305 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2018-10-26 22:22:53,305 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 1)) (.cse2 (+ ~systemActive~0 ~waterLevel~0)) (.cse6 (* 2 ~pumpRunning~0))) (let ((.cse5 (< (+ ~waterLevel~0 |old(~systemActive~0)|) 3)) (.cse3 (< 0 .cse6)) (.cse4 (<= .cse2 3)) (.cse1 (<= .cse0 ~systemActive~0))) (and (or (< .cse0 |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse1 (<= .cse2 2)) (not (= ~waterLevel~0 1)) .cse3) (or (and .cse4 (<= ~pumpRunning~0 ~systemActive~0)) (or (< 3 (+ ~pumpRunning~0 ~waterLevel~0)) .cse5 (< .cse6 2) (< 2 (+ ~pumpRunning~0 |old(~systemActive~0)|)))) (or (or (or .cse5 (< ~waterLevel~0 (+ |old(~systemActive~0)| 1))) .cse3 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (and .cse4 .cse1))))) [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-10-26 22:22:53,306 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse0 (+ ~pumpRunning~0 1)) (.cse2 (* 2 ~pumpRunning~0))) (and (or (and (<= .cse0 ~waterLevel~0) (<= .cse1 3)) (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< .cse2 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0)))) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= .cse1 2)) (or (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 .cse2))))) [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-10-26 22:22:53,306 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-10-26 22:22:53,306 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-10-26 22:22:53,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:22:53 BoogieIcfgContainer [2018-10-26 22:22:53,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:22:53,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:22:53,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:22:53,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:22:53,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:05" (3/4) ... [2018-10-26 22:22:53,358 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:22:53,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:22:53,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:22:53,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:22:53,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:22:53,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:22:53,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:22:53,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:22:53,375 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 22:22:53,375 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:22:53,375 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:22:53,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((systemActive + waterLevel <= 2 && 1 <= pumpRunning + waterLevel) && waterLevel <= systemActive) && pumpRunning == 0) && splverifierCounter == 0) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || ((((tmp___0 <= systemActive + 2147483646 && 0 <= systemActive + tmp___0 + 2147483647) && (((pumpRunning + 1 <= waterLevel && 2 <= 2 * systemActive) && systemActive + waterLevel <= 3) && 0 <= systemActive + tmp___2 + 2147483647) && tmp___2 <= systemActive + 2147483646) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:22:53,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:22:53,473 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d09214ca-a276-493c-b286-5b05dfd7792e/bin-2019/utaipan/witness.graphml [2018-10-26 22:22:53,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:22:53,474 INFO L168 Benchmark]: Toolchain (without parser) took 230013.67 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 956.4 MB in the beginning and 4.2 GB in the end (delta: -3.3 GB). Peak memory consumption was 672.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,474 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:22:53,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.53 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 934.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,475 INFO L168 Benchmark]: Boogie Preprocessor took 30.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,478 INFO L168 Benchmark]: RCFGBuilder took 1252.43 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: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,478 INFO L168 Benchmark]: TraceAbstraction took 228114.92 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,478 INFO L168 Benchmark]: Witness Printer took 124.87 ms. Allocated memory is still 5.0 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 22:22:53,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.53 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 934.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1252.43 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: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 228114.92 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 124.87 ms. Allocated memory is still 5.0 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((((((systemActive + waterLevel <= 2 && 1 <= pumpRunning + waterLevel) && waterLevel <= systemActive) && pumpRunning == 0) && splverifierCounter == 0) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || ((((tmp___0 <= systemActive + 2147483646 && 0 <= systemActive + tmp___0 + 2147483647) && (((pumpRunning + 1 <= waterLevel && 2 <= 2 * systemActive) && systemActive + waterLevel <= 3) && 0 <= systemActive + tmp___2 + 2147483647) && tmp___2 <= systemActive + 2147483646) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 228.0s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 119.7s AutomataDifference, 0.0s DeadEndRemovalTime, 12.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2255 SDtfs, 3087 SDslu, 11745 SDs, 0 SdLazy, 6441 SolverSat, 1229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 719 GetRequests, 462 SyntacticMatches, 13 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3020 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=704occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 50.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941155044541974 AbsIntWeakeningRatio, 0.9485294117647058 AbsIntAvgWeakeningVarsNumRemoved, 4696.590073529412 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 557 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1887 PreInvPairs, 1917 NumberOfFragments, 2506 HoareAnnotationTreeSize, 1887 FomulaSimplifications, 353898 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 188088 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1631 NumberOfCodeBlocks, 1631 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1617 ConstructedInterpolants, 0 QuantifiedInterpolants, 264940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 393/404 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...