./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_10_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_10_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/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 f26efe6943beb9bd444f2fe65e72a92241f10e89 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:13:13,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:13:13,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:13:13,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:13:13,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:13:13,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:13:13,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:13:13,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:13:13,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:13:13,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:13:13,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:13:13,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:13:13,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:13:13,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:13:13,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:13:13,940 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:13:13,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:13:13,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:13:13,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:13:13,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:13:13,943 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:13:13,944 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:13:13,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:13:13,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:13:13,945 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:13:13,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:13:13,946 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:13:13,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:13:13,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:13:13,948 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:13:13,948 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:13:13,948 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:13:13,948 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:13:13,948 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:13:13,949 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:13:13,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:13:13,949 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:13:13,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:13:13,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:13:13,957 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:13:13,957 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:13:13,957 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:13:13,957 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:13:13,957 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:13:13,958 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:13:13,959 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:13:13,959 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:13:13,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:13:13,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:13:13,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:13:13,961 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:13:13,961 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_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/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 -> f26efe6943beb9bd444f2fe65e72a92241f10e89 [2018-12-03 03:13:13,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:13:13,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:13:13,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:13:13,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:13:13,989 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:13:13,990 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/../../sv-benchmarks/c/recursive-simple/fibo_2calls_10_true-unreach-call.c [2018-12-03 03:13:14,027 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/data/93b4c6094/ff8e831511ec49efb9faec4782dd0704/FLAGb9ccda2e3 [2018-12-03 03:13:14,319 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:13:14,320 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/sv-benchmarks/c/recursive-simple/fibo_2calls_10_true-unreach-call.c [2018-12-03 03:13:14,323 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/data/93b4c6094/ff8e831511ec49efb9faec4782dd0704/FLAGb9ccda2e3 [2018-12-03 03:13:14,333 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/data/93b4c6094/ff8e831511ec49efb9faec4782dd0704 [2018-12-03 03:13:14,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:13:14,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:13:14,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:13:14,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:13:14,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:13:14,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9bdcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14, skipping insertion in model container [2018-12-03 03:13:14,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:13:14,355 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:13:14,445 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:13:14,448 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:13:14,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:13:14,464 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:13:14,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14 WrapperNode [2018-12-03 03:13:14,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:13:14,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:13:14,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:13:14,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:13:14,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:13:14,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:13:14,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:13:14,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:13:14,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... [2018-12-03 03:13:14,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:13:14,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:13:14,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:13:14,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:13:14,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:13:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:13:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:13:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:13:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:13:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:13:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:13:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2018-12-03 03:13:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2018-12-03 03:13:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2018-12-03 03:13:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2018-12-03 03:13:14,633 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:13:14,633 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 03:13:14,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:14 BoogieIcfgContainer [2018-12-03 03:13:14,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:13:14,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:13:14,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:13:14,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:13:14,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:13:14" (1/3) ... [2018-12-03 03:13:14,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f074ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:13:14, skipping insertion in model container [2018-12-03 03:13:14,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:14" (2/3) ... [2018-12-03 03:13:14,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f074ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:13:14, skipping insertion in model container [2018-12-03 03:13:14,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:14" (3/3) ... [2018-12-03 03:13:14,637 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10_true-unreach-call.c [2018-12-03 03:13:14,643 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:13:14,646 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:13:14,655 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:13:14,673 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:13:14,673 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:13:14,673 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:13:14,673 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:13:14,673 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:13:14,673 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:13:14,673 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:13:14,673 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:13:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-12-03 03:13:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-03 03:13:14,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:14,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:13:14,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:14,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:14,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2018-12-03 03:13:14,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:14,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:14,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,722 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:13:14,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:13:14,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 03:13:14,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:14,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 03:13:14,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 03:13:14,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 03:13:14,800 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2018-12-03 03:13:14,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:14,851 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2018-12-03 03:13:14,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 03:13:14,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-03 03:13:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:14,858 INFO L225 Difference]: With dead ends: 44 [2018-12-03 03:13:14,859 INFO L226 Difference]: Without dead ends: 30 [2018-12-03 03:13:14,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:13:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-03 03:13:14,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-12-03 03:13:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-03 03:13:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2018-12-03 03:13:14,886 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2018-12-03 03:13:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:14,886 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2018-12-03 03:13:14,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 03:13:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2018-12-03 03:13:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-03 03:13:14,888 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:14,888 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:13:14,888 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:14,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2018-12-03 03:13:14,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:14,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:14,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:13:14,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:13:14,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 03:13:14,925 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:14,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 03:13:14,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 03:13:14,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 03:13:14,926 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2018-12-03 03:13:14,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:14,977 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-12-03 03:13:14,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 03:13:14,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-03 03:13:14,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:14,979 INFO L225 Difference]: With dead ends: 36 [2018-12-03 03:13:14,979 INFO L226 Difference]: Without dead ends: 32 [2018-12-03 03:13:14,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:13:14,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-03 03:13:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2018-12-03 03:13:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-03 03:13:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2018-12-03 03:13:14,983 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2018-12-03 03:13:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:14,984 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2018-12-03 03:13:14,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 03:13:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2018-12-03 03:13:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 03:13:14,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:14,985 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:13:14,985 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:14,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:14,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2018-12-03 03:13:14,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:14,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:14,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:14,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 03:13:15,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:15,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:15,026 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-12-03 03:13:15,027 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [21], [31], [32], [36], [40], [42], [44], [45], [46], [47], [48], [50], [51], [56], [57], [58], [59] [2018-12-03 03:13:15,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:13:15,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:13:15,107 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:13:15,107 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 5 variables. [2018-12-03 03:13:15,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:15,112 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:13:15,138 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 50% of their original sizes. [2018-12-03 03:13:15,139 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:13:15,161 INFO L418 sIntCurrentIteration]: We unified 25 AI predicates to 25 [2018-12-03 03:13:15,162 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:13:15,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:13:15,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-12-03 03:13:15,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:15,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:13:15,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:13:15,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:13:15,163 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2018-12-03 03:13:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:15,278 INFO L93 Difference]: Finished difference Result 72 states and 95 transitions. [2018-12-03 03:13:15,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:13:15,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-03 03:13:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:15,279 INFO L225 Difference]: With dead ends: 72 [2018-12-03 03:13:15,279 INFO L226 Difference]: Without dead ends: 48 [2018-12-03 03:13:15,280 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-03 03:13:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-03 03:13:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2018-12-03 03:13:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-03 03:13:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2018-12-03 03:13:15,288 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 26 [2018-12-03 03:13:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:15,288 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2018-12-03 03:13:15,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:13:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2018-12-03 03:13:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 03:13:15,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:15,290 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-03 03:13:15,290 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:15,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:15,290 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2018-12-03 03:13:15,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:15,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:15,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:15,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:15,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 03:13:15,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:15,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:15,340 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-12-03 03:13:15,341 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [21], [22], [26], [28], [30], [31], [32], [35], [36], [40], [42], [44], [45], [46], [47], [48], [50], [51], [52], [53], [54], [55], [56], [57], [58], [59] [2018-12-03 03:13:15,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:13:15,342 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:13:15,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:13:15,589 INFO L272 AbstractInterpreter]: Visited 28 different actions 896 times. Never merged. Widened at 4 different actions 65 times. Performed 1872 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1872 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 95 fixpoints after 6 different actions. Largest state had 5 variables. [2018-12-03 03:13:15,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:15,592 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:13:15,604 INFO L227 lantSequenceWeakener]: Weakened 7 states. On average, predicates are now at 50% of their original sizes. [2018-12-03 03:13:15,605 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:13:15,637 INFO L418 sIntCurrentIteration]: We unified 38 AI predicates to 38 [2018-12-03 03:13:15,637 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:13:15,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:13:15,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-03 03:13:15,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:15,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 03:13:15,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 03:13:15,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 03:13:15,638 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand 9 states. [2018-12-03 03:13:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:15,775 INFO L93 Difference]: Finished difference Result 87 states and 106 transitions. [2018-12-03 03:13:15,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 03:13:15,775 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-12-03 03:13:15,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:15,776 INFO L225 Difference]: With dead ends: 87 [2018-12-03 03:13:15,776 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 03:13:15,777 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-12-03 03:13:15,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 03:13:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-03 03:13:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-03 03:13:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2018-12-03 03:13:15,782 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 39 [2018-12-03 03:13:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:15,782 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2018-12-03 03:13:15,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 03:13:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2018-12-03 03:13:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 03:13:15,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:15,783 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2018-12-03 03:13:15,783 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:15,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:15,783 INFO L82 PathProgramCache]: Analyzing trace with hash -209212298, now seen corresponding path program 2 times [2018-12-03 03:13:15,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:15,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:15,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:15,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:15,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 03:13:15,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:15,839 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:15,839 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:13:15,839 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:13:15,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:15,840 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:13:15,848 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:13:15,848 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:13:15,862 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-12-03 03:13:15,863 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:13:15,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:13:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 03:13:15,925 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:13:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-03 03:13:16,151 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:13:16,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2018-12-03 03:13:16,151 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:13:16,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 03:13:16,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 03:13:16,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-03 03:13:16,151 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 11 states. [2018-12-03 03:13:16,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:16,303 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2018-12-03 03:13:16,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 03:13:16,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2018-12-03 03:13:16,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:16,305 INFO L225 Difference]: With dead ends: 121 [2018-12-03 03:13:16,305 INFO L226 Difference]: Without dead ends: 76 [2018-12-03 03:13:16,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 92 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-12-03 03:13:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-03 03:13:16,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 59. [2018-12-03 03:13:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-03 03:13:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2018-12-03 03:13:16,315 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 52 [2018-12-03 03:13:16,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:16,316 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2018-12-03 03:13:16,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 03:13:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-12-03 03:13:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 03:13:16,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:16,317 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2018-12-03 03:13:16,318 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:16,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:16,318 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2018-12-03 03:13:16,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:16,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:16,319 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:13:16,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:16,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-03 03:13:16,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:16,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:16,365 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 56 with the following transitions: [2018-12-03 03:13:16,365 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [21], [22], [25], [26], [28], [30], [31], [32], [36], [39], [40], [42], [44], [45], [46], [47], [48], [50], [51], [52], [53], [54], [55], [56], [57], [58], [59] [2018-12-03 03:13:16,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:13:16,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:13:21,783 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:13:21,783 INFO L272 AbstractInterpreter]: Visited 29 different actions 61447 times. Merged at 11 different actions 16389 times. Widened at 4 different actions 3048 times. Performed 145554 root evaluator evaluations with a maximum evaluation depth of 4. Performed 145554 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 7200 fixpoints after 10 different actions. Largest state had 5 variables. [2018-12-03 03:13:21,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:21,785 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:13:21,794 INFO L227 lantSequenceWeakener]: Weakened 16 states. On average, predicates are now at 56.25% of their original sizes. [2018-12-03 03:13:21,794 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:13:21,858 INFO L418 sIntCurrentIteration]: We unified 54 AI predicates to 54 [2018-12-03 03:13:21,858 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:13:21,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:13:21,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [7] total 18 [2018-12-03 03:13:21,859 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:21,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-03 03:13:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-03 03:13:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-12-03 03:13:21,859 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand 13 states. [2018-12-03 03:13:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:22,109 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2018-12-03 03:13:22,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 03:13:22,109 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2018-12-03 03:13:22,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:22,110 INFO L225 Difference]: With dead ends: 118 [2018-12-03 03:13:22,110 INFO L226 Difference]: Without dead ends: 77 [2018-12-03 03:13:22,111 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-12-03 03:13:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-12-03 03:13:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-03 03:13:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-03 03:13:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions. [2018-12-03 03:13:22,120 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 55 [2018-12-03 03:13:22,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:22,120 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions. [2018-12-03 03:13:22,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-03 03:13:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2018-12-03 03:13:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-03 03:13:22,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:22,122 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:13:22,122 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:22,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1937391112, now seen corresponding path program 1 times [2018-12-03 03:13:22,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:22,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:22,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:22,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:22,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 27 proven. 26 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-03 03:13:22,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:22,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:22,175 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 81 with the following transitions: [2018-12-03 03:13:22,175 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [22], [25], [26], [28], [30], [31], [32], [35], [36], [39], [40], [42], [44], [45], [46], [47], [48], [50], [51], [52], [53], [54], [55], [56], [57], [58], [59] [2018-12-03 03:13:22,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:13:22,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:13:23,587 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:13:23,587 INFO L272 AbstractInterpreter]: Visited 29 different actions 20375 times. Merged at 11 different actions 5233 times. Widened at 3 different actions 1140 times. Performed 47351 root evaluator evaluations with a maximum evaluation depth of 4. Performed 47351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2539 fixpoints after 9 different actions. Largest state had 5 variables. [2018-12-03 03:13:23,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:23,589 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:13:23,597 INFO L227 lantSequenceWeakener]: Weakened 13 states. On average, predicates are now at 50% of their original sizes. [2018-12-03 03:13:23,597 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:13:23,645 INFO L418 sIntCurrentIteration]: We unified 79 AI predicates to 79 [2018-12-03 03:13:23,645 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:13:23,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:13:23,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-03 03:13:23,645 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:13:23,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-03 03:13:23,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-03 03:13:23,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-12-03 03:13:23,646 INFO L87 Difference]: Start difference. First operand 77 states and 93 transitions. Second operand 13 states. [2018-12-03 03:13:23,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:13:23,949 INFO L93 Difference]: Finished difference Result 141 states and 176 transitions. [2018-12-03 03:13:23,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 03:13:23,949 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 80 [2018-12-03 03:13:23,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:13:23,950 INFO L225 Difference]: With dead ends: 141 [2018-12-03 03:13:23,950 INFO L226 Difference]: Without dead ends: 86 [2018-12-03 03:13:23,950 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-12-03 03:13:23,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-03 03:13:23,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-03 03:13:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-03 03:13:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions. [2018-12-03 03:13:23,958 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 80 [2018-12-03 03:13:23,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:13:23,958 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions. [2018-12-03 03:13:23,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-03 03:13:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-12-03 03:13:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 03:13:23,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:13:23,960 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:13:23,960 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:13:23,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:13:23,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1541382103, now seen corresponding path program 1 times [2018-12-03 03:13:23,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:13:23,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:23,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:13:23,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:13:23,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:13:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:13:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-03 03:13:24,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:13:24,012 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:13:24,012 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 95 with the following transitions: [2018-12-03 03:13:24,012 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [21], [22], [25], [26], [28], [30], [31], [32], [35], [36], [39], [40], [42], [44], [45], [46], [47], [48], [50], [51], [52], [53], [54], [55], [56], [57], [58], [59] [2018-12-03 03:13:24,013 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:13:24,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:16:27,901 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:16:27,901 INFO L272 AbstractInterpreter]: Visited 34 different actions 2187354 times. Merged at 16 different actions 690606 times. Widened at 4 different actions 72333 times. Performed 5379148 root evaluator evaluations with a maximum evaluation depth of 4. Performed 5379148 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 310049 fixpoints after 10 different actions. Largest state had 5 variables. [2018-12-03 03:16:27,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:27,903 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:16:27,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:27,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:28,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:28,346 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:16:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:28,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 23 proven. 81 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-03 03:16:28,428 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 23 proven. 97 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-03 03:16:29,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:29,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 15] total 21 [2018-12-03 03:16:29,120 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:29,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-03 03:16:29,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-03 03:16:29,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-12-03 03:16:29,120 INFO L87 Difference]: Start difference. First operand 86 states and 103 transitions. Second operand 14 states. [2018-12-03 03:16:29,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:29,309 INFO L93 Difference]: Finished difference Result 231 states and 393 transitions. [2018-12-03 03:16:29,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 03:16:29,310 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2018-12-03 03:16:29,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:29,311 INFO L225 Difference]: With dead ends: 231 [2018-12-03 03:16:29,311 INFO L226 Difference]: Without dead ends: 143 [2018-12-03 03:16:29,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 13 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2018-12-03 03:16:29,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-03 03:16:29,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 98. [2018-12-03 03:16:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-03 03:16:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2018-12-03 03:16:29,322 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 94 [2018-12-03 03:16:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:29,322 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2018-12-03 03:16:29,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-03 03:16:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2018-12-03 03:16:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-03 03:16:29,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:29,324 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 11, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:29,324 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:29,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:29,324 INFO L82 PathProgramCache]: Analyzing trace with hash -334045017, now seen corresponding path program 1 times [2018-12-03 03:16:29,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:29,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:29,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:29,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:29,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 99 proven. 184 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-03 03:16:29,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:29,421 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:29,421 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-12-03 03:16:29,421 INFO L205 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [18], [21], [22], [26], [28], [30], [31], [32], [35], [36], [39], [40], [42], [44], [45], [46], [47], [48], [50], [51], [52], [53], [54], [55], [56], [57], [58], [59] [2018-12-03 03:16:29,422 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:16:29,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:16:31,125 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:16:31,125 INFO L272 AbstractInterpreter]: Visited 29 different actions 27751 times. Merged at 11 different actions 6717 times. Widened at 4 different actions 1741 times. Performed 67659 root evaluator evaluations with a maximum evaluation depth of 4. Performed 67659 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 3522 fixpoints after 9 different actions. Largest state had 5 variables. [2018-12-03 03:16:31,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:31,127 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:16:31,145 INFO L227 lantSequenceWeakener]: Weakened 37 states. On average, predicates are now at 57.21% of their original sizes. [2018-12-03 03:16:31,145 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:16:31,714 INFO L418 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2018-12-03 03:16:31,715 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:16:31,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:16:31,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [11] total 32 [2018-12-03 03:16:31,715 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:16:31,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-03 03:16:31,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-03 03:16:31,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2018-12-03 03:16:31,716 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand 23 states. [2018-12-03 03:16:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:32,389 INFO L93 Difference]: Finished difference Result 223 states and 325 transitions. [2018-12-03 03:16:32,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-03 03:16:32,389 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 175 [2018-12-03 03:16:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:32,390 INFO L225 Difference]: With dead ends: 223 [2018-12-03 03:16:32,390 INFO L226 Difference]: Without dead ends: 153 [2018-12-03 03:16:32,391 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=1056, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 03:16:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-03 03:16:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 127. [2018-12-03 03:16:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-03 03:16:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2018-12-03 03:16:32,400 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 175 [2018-12-03 03:16:32,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:32,400 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2018-12-03 03:16:32,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-03 03:16:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2018-12-03 03:16:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-03 03:16:32,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:32,401 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 13, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:32,402 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:32,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:32,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1327733822, now seen corresponding path program 2 times [2018-12-03 03:16:32,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:32,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:32,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:32,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:32,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 286 proven. 12 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2018-12-03 03:16:32,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:32,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:32,521 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:32,521 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:32,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:32,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:32,527 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:16:32,528 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:16:32,541 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-03 03:16:32,541 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:32,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 301 proven. 3 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2018-12-03 03:16:32,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 223 proven. 5 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2018-12-03 03:16:32,918 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:32,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 19 [2018-12-03 03:16:32,918 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:32,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-03 03:16:32,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-03 03:16:32,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-12-03 03:16:32,919 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand 16 states. [2018-12-03 03:16:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:33,085 INFO L93 Difference]: Finished difference Result 255 states and 402 transitions. [2018-12-03 03:16:33,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 03:16:33,085 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 215 [2018-12-03 03:16:33,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:33,087 INFO L225 Difference]: With dead ends: 255 [2018-12-03 03:16:33,087 INFO L226 Difference]: Without dead ends: 152 [2018-12-03 03:16:33,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 418 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2018-12-03 03:16:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-03 03:16:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2018-12-03 03:16:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-03 03:16:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 199 transitions. [2018-12-03 03:16:33,098 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 199 transitions. Word has length 215 [2018-12-03 03:16:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:33,099 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 199 transitions. [2018-12-03 03:16:33,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-03 03:16:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 199 transitions. [2018-12-03 03:16:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-03 03:16:33,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:33,102 INFO L402 BasicCegarLoop]: trace histogram [21, 21, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:33,102 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:33,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:33,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1584661804, now seen corresponding path program 2 times [2018-12-03 03:16:33,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:33,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:33,103 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:33,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:33,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 137 proven. 322 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2018-12-03 03:16:33,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:33,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:33,198 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:33,198 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:33,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:33,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:33,204 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:16:33,204 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:16:33,225 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-03 03:16:33,225 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:33,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 433 proven. 37 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2018-12-03 03:16:33,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 433 proven. 38 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2018-12-03 03:16:33,895 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:33,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 23 [2018-12-03 03:16:33,895 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:33,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-03 03:16:33,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-03 03:16:33,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-12-03 03:16:33,896 INFO L87 Difference]: Start difference. First operand 140 states and 199 transitions. Second operand 18 states. [2018-12-03 03:16:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:34,247 INFO L93 Difference]: Finished difference Result 330 states and 563 transitions. [2018-12-03 03:16:34,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 03:16:34,247 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 245 [2018-12-03 03:16:34,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:34,248 INFO L225 Difference]: With dead ends: 330 [2018-12-03 03:16:34,248 INFO L226 Difference]: Without dead ends: 207 [2018-12-03 03:16:34,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 469 SyntacticMatches, 11 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=1359, Unknown=0, NotChecked=0, Total=1640 [2018-12-03 03:16:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-12-03 03:16:34,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 186. [2018-12-03 03:16:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-12-03 03:16:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 258 transitions. [2018-12-03 03:16:34,259 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 258 transitions. Word has length 245 [2018-12-03 03:16:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:34,260 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 258 transitions. [2018-12-03 03:16:34,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-03 03:16:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 258 transitions. [2018-12-03 03:16:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-03 03:16:34,262 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:34,262 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 14, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:34,262 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:34,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:34,262 INFO L82 PathProgramCache]: Analyzing trace with hash -207855780, now seen corresponding path program 2 times [2018-12-03 03:16:34,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:34,263 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:34,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 138 proven. 263 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2018-12-03 03:16:34,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:34,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:34,330 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:34,330 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:34,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:34,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:34,337 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:16:34,337 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:16:34,358 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-12-03 03:16:34,358 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:34,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 267 proven. 52 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2018-12-03 03:16:34,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 269 proven. 55 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-12-03 03:16:34,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:34,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2018-12-03 03:16:34,886 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:34,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 03:16:34,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 03:16:34,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2018-12-03 03:16:34,886 INFO L87 Difference]: Start difference. First operand 186 states and 258 transitions. Second operand 15 states. [2018-12-03 03:16:35,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:35,129 INFO L93 Difference]: Finished difference Result 414 states and 664 transitions. [2018-12-03 03:16:35,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 03:16:35,130 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2018-12-03 03:16:35,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:35,132 INFO L225 Difference]: With dead ends: 414 [2018-12-03 03:16:35,132 INFO L226 Difference]: Without dead ends: 251 [2018-12-03 03:16:35,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 470 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2018-12-03 03:16:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-12-03 03:16:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 203. [2018-12-03 03:16:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-12-03 03:16:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 295 transitions. [2018-12-03 03:16:35,149 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 295 transitions. Word has length 244 [2018-12-03 03:16:35,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:35,149 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 295 transitions. [2018-12-03 03:16:35,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 03:16:35,150 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions. [2018-12-03 03:16:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-03 03:16:35,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:35,151 INFO L402 BasicCegarLoop]: trace histogram [34, 34, 27, 27, 27, 24, 17, 17, 17, 17, 17, 17, 17, 14, 13, 13, 13, 13, 13, 13, 13, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:35,151 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:35,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash 634163973, now seen corresponding path program 3 times [2018-12-03 03:16:35,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:35,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:35,152 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:35,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:35,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 333 proven. 327 refuted. 0 times theorem prover too weak. 4471 trivial. 0 not checked. [2018-12-03 03:16:35,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:35,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:35,534 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:35,534 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:35,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:35,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:35,540 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-03 03:16:35,540 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-03 03:16:35,582 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-03 03:16:35,582 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:35,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 145 proven. 1042 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2018-12-03 03:16:35,707 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 145 proven. 1075 refuted. 0 times theorem prover too weak. 3911 trivial. 0 not checked. [2018-12-03 03:16:37,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:37,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 19] total 25 [2018-12-03 03:16:37,145 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:37,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-03 03:16:37,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-03 03:16:37,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-12-03 03:16:37,145 INFO L87 Difference]: Start difference. First operand 203 states and 295 transitions. Second operand 16 states. [2018-12-03 03:16:37,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:37,405 INFO L93 Difference]: Finished difference Result 549 states and 1039 transitions. [2018-12-03 03:16:37,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 03:16:37,405 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 424 [2018-12-03 03:16:37,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:37,409 INFO L225 Difference]: With dead ends: 549 [2018-12-03 03:16:37,409 INFO L226 Difference]: Without dead ends: 334 [2018-12-03 03:16:37,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 815 SyntacticMatches, 16 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260 [2018-12-03 03:16:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-12-03 03:16:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 229. [2018-12-03 03:16:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-12-03 03:16:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 344 transitions. [2018-12-03 03:16:37,436 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 344 transitions. Word has length 424 [2018-12-03 03:16:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:37,436 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 344 transitions. [2018-12-03 03:16:37,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-03 03:16:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 344 transitions. [2018-12-03 03:16:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2018-12-03 03:16:37,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:37,440 INFO L402 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 38, 36, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 15, 13, 11, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:37,440 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:37,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:37,441 INFO L82 PathProgramCache]: Analyzing trace with hash -2049906179, now seen corresponding path program 4 times [2018-12-03 03:16:37,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:37,441 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:37,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11821 backedges. 397 proven. 1488 refuted. 0 times theorem prover too weak. 9936 trivial. 0 not checked. [2018-12-03 03:16:37,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:37,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:37,673 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:37,673 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:37,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:37,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:37,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:37,679 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:16:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:37,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11821 backedges. 293 proven. 1808 refuted. 0 times theorem prover too weak. 9720 trivial. 0 not checked. [2018-12-03 03:16:38,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 11821 backedges. 293 proven. 1852 refuted. 0 times theorem prover too weak. 9676 trivial. 0 not checked. [2018-12-03 03:16:40,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:40,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 21] total 32 [2018-12-03 03:16:40,332 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:40,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-03 03:16:40,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-03 03:16:40,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=872, Unknown=0, NotChecked=0, Total=992 [2018-12-03 03:16:40,333 INFO L87 Difference]: Start difference. First operand 229 states and 344 transitions. Second operand 23 states. [2018-12-03 03:16:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:41,085 INFO L93 Difference]: Finished difference Result 697 states and 1387 transitions. [2018-12-03 03:16:41,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-03 03:16:41,085 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 639 [2018-12-03 03:16:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:41,089 INFO L225 Difference]: With dead ends: 697 [2018-12-03 03:16:41,089 INFO L226 Difference]: Without dead ends: 429 [2018-12-03 03:16:41,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1324 GetRequests, 1243 SyntacticMatches, 19 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=650, Invalid=3382, Unknown=0, NotChecked=0, Total=4032 [2018-12-03 03:16:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-12-03 03:16:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 393. [2018-12-03 03:16:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-12-03 03:16:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 680 transitions. [2018-12-03 03:16:41,129 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 680 transitions. Word has length 639 [2018-12-03 03:16:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:41,129 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 680 transitions. [2018-12-03 03:16:41,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-03 03:16:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 680 transitions. [2018-12-03 03:16:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2018-12-03 03:16:41,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:41,139 INFO L402 BasicCegarLoop]: trace histogram [86, 86, 67, 67, 63, 62, 43, 43, 43, 43, 43, 43, 43, 33, 33, 33, 33, 33, 33, 33, 29, 24, 20, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:41,139 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:41,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash 136127089, now seen corresponding path program 5 times [2018-12-03 03:16:41,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:41,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:41,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:41,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:41,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 33032 backedges. 523 proven. 2366 refuted. 0 times theorem prover too weak. 30143 trivial. 0 not checked. [2018-12-03 03:16:41,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:41,840 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:41,840 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:41,840 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:41,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:41,840 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:41,847 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:16:41,847 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:16:41,889 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-12-03 03:16:41,889 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:41,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 33032 backedges. 5311 proven. 13 refuted. 0 times theorem prover too weak. 27708 trivial. 0 not checked. [2018-12-03 03:16:42,434 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 33032 backedges. 2195 proven. 96 refuted. 0 times theorem prover too weak. 30741 trivial. 0 not checked. [2018-12-03 03:16:43,963 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:43,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 17 [2018-12-03 03:16:43,964 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:43,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-03 03:16:43,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-03 03:16:43,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-12-03 03:16:43,965 INFO L87 Difference]: Start difference. First operand 393 states and 680 transitions. Second operand 13 states. [2018-12-03 03:16:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:44,098 INFO L93 Difference]: Finished difference Result 748 states and 1392 transitions. [2018-12-03 03:16:44,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 03:16:44,099 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 1050 [2018-12-03 03:16:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:44,101 INFO L225 Difference]: With dead ends: 748 [2018-12-03 03:16:44,101 INFO L226 Difference]: Without dead ends: 382 [2018-12-03 03:16:44,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2114 GetRequests, 2087 SyntacticMatches, 8 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-12-03 03:16:44,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-12-03 03:16:44,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 376. [2018-12-03 03:16:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-12-03 03:16:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 624 transitions. [2018-12-03 03:16:44,122 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 624 transitions. Word has length 1050 [2018-12-03 03:16:44,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:44,122 INFO L480 AbstractCegarLoop]: Abstraction has 376 states and 624 transitions. [2018-12-03 03:16:44,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-03 03:16:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 624 transitions. [2018-12-03 03:16:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2218 [2018-12-03 03:16:44,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:44,140 INFO L402 BasicCegarLoop]: trace histogram [172, 172, 153, 153, 135, 125, 86, 86, 86, 86, 86, 86, 86, 76, 76, 76, 76, 76, 76, 76, 49, 49, 47, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:44,140 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:44,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:44,140 INFO L82 PathProgramCache]: Analyzing trace with hash 602923259, now seen corresponding path program 6 times [2018-12-03 03:16:44,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:44,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:44,141 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:44,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:44,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 148151 backedges. 6197 proven. 2037 refuted. 0 times theorem prover too weak. 139917 trivial. 0 not checked. [2018-12-03 03:16:46,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:46,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:46,061 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:46,061 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:46,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:46,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:46,068 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-03 03:16:46,068 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-03 03:16:46,281 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-03 03:16:46,281 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:46,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 148151 backedges. 1049 proven. 6002 refuted. 0 times theorem prover too weak. 141100 trivial. 0 not checked. [2018-12-03 03:16:47,499 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 148151 backedges. 1051 proven. 6033 refuted. 0 times theorem prover too weak. 141067 trivial. 0 not checked. [2018-12-03 03:16:52,042 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:52,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 19] total 36 [2018-12-03 03:16:52,042 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:52,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-03 03:16:52,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-03 03:16:52,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1129, Unknown=0, NotChecked=0, Total=1260 [2018-12-03 03:16:52,044 INFO L87 Difference]: Start difference. First operand 376 states and 624 transitions. Second operand 28 states. [2018-12-03 03:16:52,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:52,909 INFO L93 Difference]: Finished difference Result 779 states and 1464 transitions. [2018-12-03 03:16:52,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-03 03:16:52,909 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2217 [2018-12-03 03:16:52,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:52,912 INFO L225 Difference]: With dead ends: 779 [2018-12-03 03:16:52,913 INFO L226 Difference]: Without dead ends: 420 [2018-12-03 03:16:52,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4491 GetRequests, 4405 SyntacticMatches, 17 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=660, Invalid=4310, Unknown=0, NotChecked=0, Total=4970 [2018-12-03 03:16:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-03 03:16:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 374. [2018-12-03 03:16:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-12-03 03:16:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 540 transitions. [2018-12-03 03:16:52,946 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 540 transitions. Word has length 2217 [2018-12-03 03:16:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:52,946 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 540 transitions. [2018-12-03 03:16:52,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-03 03:16:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 540 transitions. [2018-12-03 03:16:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1050 [2018-12-03 03:16:52,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:52,951 INFO L402 BasicCegarLoop]: trace histogram [78, 78, 75, 75, 64, 60, 39, 39, 39, 39, 39, 39, 39, 37, 37, 37, 37, 37, 37, 37, 27, 21, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:52,952 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:52,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:52,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1198913797, now seen corresponding path program 7 times [2018-12-03 03:16:52,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:52,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:52,952 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:16:52,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:52,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 32526 backedges. 1341 proven. 2388 refuted. 0 times theorem prover too weak. 28797 trivial. 0 not checked. [2018-12-03 03:16:53,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:53,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:53,384 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:53,384 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:53,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:53,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:53,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:53,391 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:16:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:53,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32526 backedges. 732 proven. 2491 refuted. 0 times theorem prover too weak. 29303 trivial. 0 not checked. [2018-12-03 03:16:53,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:16:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 32526 backedges. 734 proven. 2522 refuted. 0 times theorem prover too weak. 29270 trivial. 0 not checked. [2018-12-03 03:16:56,235 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:16:56,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 19] total 34 [2018-12-03 03:16:56,236 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:16:56,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-03 03:16:56,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-03 03:16:56,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 03:16:56,236 INFO L87 Difference]: Start difference. First operand 374 states and 540 transitions. Second operand 26 states. [2018-12-03 03:16:57,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:16:57,119 INFO L93 Difference]: Finished difference Result 986 states and 1744 transitions. [2018-12-03 03:16:57,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-12-03 03:16:57,119 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1049 [2018-12-03 03:16:57,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:16:57,124 INFO L225 Difference]: With dead ends: 986 [2018-12-03 03:16:57,124 INFO L226 Difference]: Without dead ends: 573 [2018-12-03 03:16:57,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2153 GetRequests, 2067 SyntacticMatches, 17 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=735, Invalid=4235, Unknown=0, NotChecked=0, Total=4970 [2018-12-03 03:16:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-12-03 03:16:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 518. [2018-12-03 03:16:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-12-03 03:16:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 800 transitions. [2018-12-03 03:16:57,170 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 800 transitions. Word has length 1049 [2018-12-03 03:16:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:16:57,171 INFO L480 AbstractCegarLoop]: Abstraction has 518 states and 800 transitions. [2018-12-03 03:16:57,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-03 03:16:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 800 transitions. [2018-12-03 03:16:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1267 [2018-12-03 03:16:57,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:16:57,183 INFO L402 BasicCegarLoop]: trace histogram [97, 97, 88, 88, 76, 73, 48, 48, 48, 48, 48, 48, 48, 44, 44, 44, 44, 44, 44, 44, 32, 25, 21, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:16:57,183 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:16:57,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:16:57,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1074457329, now seen corresponding path program 8 times [2018-12-03 03:16:57,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:16:57,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:57,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:16:57,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:16:57,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:16:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:16:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 47710 backedges. 1374 proven. 3277 refuted. 0 times theorem prover too weak. 43059 trivial. 0 not checked. [2018-12-03 03:16:57,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:57,728 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:16:57,728 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:16:57,728 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:16:57,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:16:57,728 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:16:57,733 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:16:57,734 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:16:57,847 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2018-12-03 03:16:57,848 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:16:57,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:16:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 47710 backedges. 3933 proven. 354 refuted. 0 times theorem prover too weak. 43423 trivial. 0 not checked. [2018-12-03 03:16:58,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 47710 backedges. 3935 proven. 361 refuted. 0 times theorem prover too weak. 43414 trivial. 0 not checked. [2018-12-03 03:17:00,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:00,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 32 [2018-12-03 03:17:00,555 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:00,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-03 03:17:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-03 03:17:00,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-03 03:17:00,556 INFO L87 Difference]: Start difference. First operand 518 states and 800 transitions. Second operand 24 states. [2018-12-03 03:17:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:01,258 INFO L93 Difference]: Finished difference Result 1136 states and 1971 transitions. [2018-12-03 03:17:01,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-03 03:17:01,259 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1266 [2018-12-03 03:17:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:01,264 INFO L225 Difference]: With dead ends: 1136 [2018-12-03 03:17:01,264 INFO L226 Difference]: Without dead ends: 644 [2018-12-03 03:17:01,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2583 GetRequests, 2501 SyntacticMatches, 17 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=658, Invalid=3764, Unknown=0, NotChecked=0, Total=4422 [2018-12-03 03:17:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-12-03 03:17:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 571. [2018-12-03 03:17:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-12-03 03:17:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 894 transitions. [2018-12-03 03:17:01,317 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 894 transitions. Word has length 1266 [2018-12-03 03:17:01,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:01,317 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 894 transitions. [2018-12-03 03:17:01,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-03 03:17:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 894 transitions. [2018-12-03 03:17:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2018-12-03 03:17:01,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:01,328 INFO L402 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 68, 67, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 26, 26, 17, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:01,328 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:01,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:01,329 INFO L82 PathProgramCache]: Analyzing trace with hash 980558134, now seen corresponding path program 9 times [2018-12-03 03:17:01,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:01,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:01,329 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:17:01,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:01,329 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 38769 backedges. 4072 proven. 821 refuted. 0 times theorem prover too weak. 33876 trivial. 0 not checked. [2018-12-03 03:17:01,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:01,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:01,821 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:01,821 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:01,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:01,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:01,827 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-03 03:17:01,827 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-03 03:17:01,952 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-03 03:17:01,953 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:17:01,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 38769 backedges. 2691 proven. 394 refuted. 0 times theorem prover too weak. 35684 trivial. 0 not checked. [2018-12-03 03:17:02,327 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 38769 backedges. 2699 proven. 410 refuted. 0 times theorem prover too weak. 35660 trivial. 0 not checked. [2018-12-03 03:17:04,389 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:04,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12, 17] total 32 [2018-12-03 03:17:04,389 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:04,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-03 03:17:04,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-03 03:17:04,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2018-12-03 03:17:04,390 INFO L87 Difference]: Start difference. First operand 571 states and 894 transitions. Second operand 25 states. [2018-12-03 03:17:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:05,228 INFO L93 Difference]: Finished difference Result 1264 states and 2158 transitions. [2018-12-03 03:17:05,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-12-03 03:17:05,228 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1144 [2018-12-03 03:17:05,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:05,232 INFO L225 Difference]: With dead ends: 1264 [2018-12-03 03:17:05,232 INFO L226 Difference]: Without dead ends: 710 [2018-12-03 03:17:05,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2349 GetRequests, 2267 SyntacticMatches, 15 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1263 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=658, Invalid=4034, Unknown=0, NotChecked=0, Total=4692 [2018-12-03 03:17:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-12-03 03:17:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 643. [2018-12-03 03:17:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2018-12-03 03:17:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1002 transitions. [2018-12-03 03:17:05,266 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1002 transitions. Word has length 1144 [2018-12-03 03:17:05,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:05,266 INFO L480 AbstractCegarLoop]: Abstraction has 643 states and 1002 transitions. [2018-12-03 03:17:05,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-03 03:17:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1002 transitions. [2018-12-03 03:17:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2018-12-03 03:17:05,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:05,275 INFO L402 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 78, 78, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 30, 30, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:05,275 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:05,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:05,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2046351127, now seen corresponding path program 10 times [2018-12-03 03:17:05,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:05,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:05,276 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:17:05,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:05,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 1451 proven. 3350 refuted. 0 times theorem prover too weak. 47093 trivial. 0 not checked. [2018-12-03 03:17:05,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:05,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:05,866 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:05,866 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:05,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:05,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:05,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:05,872 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:06,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 1455 proven. 3342 refuted. 0 times theorem prover too weak. 47097 trivial. 0 not checked. [2018-12-03 03:17:06,457 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 1453 proven. 3384 refuted. 0 times theorem prover too weak. 47057 trivial. 0 not checked. [2018-12-03 03:17:10,097 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:10,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 22] total 28 [2018-12-03 03:17:10,097 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:10,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-03 03:17:10,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-03 03:17:10,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2018-12-03 03:17:10,098 INFO L87 Difference]: Start difference. First operand 643 states and 1002 transitions. Second operand 18 states. [2018-12-03 03:17:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:10,298 INFO L93 Difference]: Finished difference Result 717 states and 1171 transitions. [2018-12-03 03:17:10,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 03:17:10,298 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1321 [2018-12-03 03:17:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:10,301 INFO L225 Difference]: With dead ends: 717 [2018-12-03 03:17:10,301 INFO L226 Difference]: Without dead ends: 607 [2018-12-03 03:17:10,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2672 GetRequests, 2618 SyntacticMatches, 20 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=1002, Unknown=0, NotChecked=0, Total=1260 [2018-12-03 03:17:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2018-12-03 03:17:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 566. [2018-12-03 03:17:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-03 03:17:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 790 transitions. [2018-12-03 03:17:10,329 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 790 transitions. Word has length 1321 [2018-12-03 03:17:10,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:10,329 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 790 transitions. [2018-12-03 03:17:10,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-03 03:17:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 790 transitions. [2018-12-03 03:17:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2018-12-03 03:17:10,337 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:10,337 INFO L402 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 79, 77, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 31, 29, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:10,337 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:10,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:10,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1445780197, now seen corresponding path program 11 times [2018-12-03 03:17:10,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:10,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:10,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:10,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:10,338 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 5085 proven. 1622 refuted. 0 times theorem prover too weak. 45188 trivial. 0 not checked. [2018-12-03 03:17:10,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:10,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:10,994 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:10,994 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:10,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:10,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:11,000 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:17:11,000 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:17:11,144 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 39 check-sat command(s) [2018-12-03 03:17:11,144 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:17:11,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 4806 proven. 722 refuted. 0 times theorem prover too weak. 46367 trivial. 0 not checked. [2018-12-03 03:17:11,615 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 4810 proven. 736 refuted. 0 times theorem prover too weak. 46349 trivial. 0 not checked. [2018-12-03 03:17:14,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:14,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 23] total 37 [2018-12-03 03:17:14,391 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:14,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-12-03 03:17:14,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-12-03 03:17:14,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1184, Unknown=0, NotChecked=0, Total=1332 [2018-12-03 03:17:14,392 INFO L87 Difference]: Start difference. First operand 566 states and 790 transitions. Second operand 27 states. [2018-12-03 03:17:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:15,469 INFO L93 Difference]: Finished difference Result 1181 states and 1777 transitions. [2018-12-03 03:17:15,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-12-03 03:17:15,470 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1321 [2018-12-03 03:17:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:15,473 INFO L225 Difference]: With dead ends: 1181 [2018-12-03 03:17:15,473 INFO L226 Difference]: Without dead ends: 711 [2018-12-03 03:17:15,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2717 GetRequests, 2614 SyntacticMatches, 21 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1956 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=958, Invalid=6014, Unknown=0, NotChecked=0, Total=6972 [2018-12-03 03:17:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2018-12-03 03:17:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 621. [2018-12-03 03:17:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2018-12-03 03:17:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 846 transitions. [2018-12-03 03:17:15,519 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 846 transitions. Word has length 1321 [2018-12-03 03:17:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:15,519 INFO L480 AbstractCegarLoop]: Abstraction has 621 states and 846 transitions. [2018-12-03 03:17:15,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-12-03 03:17:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 846 transitions. [2018-12-03 03:17:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2018-12-03 03:17:15,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:15,531 INFO L402 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:15,531 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:15,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:15,531 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 12 times [2018-12-03 03:17:15,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:15,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,532 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:17:15,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,532 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2018-12-03 03:17:17,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:17,396 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:17,396 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:17,396 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:17,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:17,397 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:17,403 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-03 03:17:17,403 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-03 03:17:17,549 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-03 03:17:17,549 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:17:17,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2018-12-03 03:17:19,279 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2018-12-03 03:17:27,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:27,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 68 [2018-12-03 03:17:27,549 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:27,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-12-03 03:17:27,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-12-03 03:17:27,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2018-12-03 03:17:27,550 INFO L87 Difference]: Start difference. First operand 621 states and 846 transitions. Second operand 68 states. [2018-12-03 03:17:28,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:28,398 INFO L93 Difference]: Finished difference Result 711 states and 992 transitions. [2018-12-03 03:17:28,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-12-03 03:17:28,398 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 1212 [2018-12-03 03:17:28,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:28,402 INFO L225 Difference]: With dead ends: 711 [2018-12-03 03:17:28,402 INFO L226 Difference]: Without dead ends: 699 [2018-12-03 03:17:28,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2780 GetRequests, 2534 SyntacticMatches, 180 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2018-12-03 03:17:28,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-12-03 03:17:28,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 631. [2018-12-03 03:17:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2018-12-03 03:17:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 862 transitions. [2018-12-03 03:17:28,444 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 862 transitions. Word has length 1212 [2018-12-03 03:17:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:28,444 INFO L480 AbstractCegarLoop]: Abstraction has 631 states and 862 transitions. [2018-12-03 03:17:28,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-12-03 03:17:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 862 transitions. [2018-12-03 03:17:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2018-12-03 03:17:28,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:28,452 INFO L402 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 78, 78, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 30, 30, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:28,452 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:28,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:28,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1222302795, now seen corresponding path program 13 times [2018-12-03 03:17:28,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:28,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:28,453 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:17:28,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:28,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 3079 proven. 2923 refuted. 0 times theorem prover too weak. 45892 trivial. 0 not checked. [2018-12-03 03:17:29,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:29,063 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:29,063 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:29,063 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:29,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:29,063 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:29,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:29,069 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:29,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 2065 proven. 2732 refuted. 0 times theorem prover too weak. 47097 trivial. 0 not checked. [2018-12-03 03:17:29,714 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 51894 backedges. 2061 proven. 2776 refuted. 0 times theorem prover too weak. 47057 trivial. 0 not checked. [2018-12-03 03:17:32,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:32,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 22] total 35 [2018-12-03 03:17:32,965 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:32,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-03 03:17:32,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-03 03:17:32,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1032, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 03:17:32,966 INFO L87 Difference]: Start difference. First operand 631 states and 862 transitions. Second operand 25 states. [2018-12-03 03:17:33,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:33,534 INFO L93 Difference]: Finished difference Result 1086 states and 1556 transitions. [2018-12-03 03:17:33,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-03 03:17:33,534 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1321 [2018-12-03 03:17:33,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:33,536 INFO L225 Difference]: With dead ends: 1086 [2018-12-03 03:17:33,537 INFO L226 Difference]: Without dead ends: 472 [2018-12-03 03:17:33,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2689 GetRequests, 2613 SyntacticMatches, 20 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 867 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=518, Invalid=2788, Unknown=0, NotChecked=0, Total=3306 [2018-12-03 03:17:33,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-12-03 03:17:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 447. [2018-12-03 03:17:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-12-03 03:17:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 549 transitions. [2018-12-03 03:17:33,566 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 549 transitions. Word has length 1321 [2018-12-03 03:17:33,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:33,567 INFO L480 AbstractCegarLoop]: Abstraction has 447 states and 549 transitions. [2018-12-03 03:17:33,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-03 03:17:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 549 transitions. [2018-12-03 03:17:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2018-12-03 03:17:33,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:33,574 INFO L402 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 65, 65, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 25, 25, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:33,574 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:33,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:33,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1604839333, now seen corresponding path program 14 times [2018-12-03 03:17:33,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:33,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:33,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:33,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:33,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36000 backedges. 1478 proven. 4114 refuted. 0 times theorem prover too weak. 30408 trivial. 0 not checked. [2018-12-03 03:17:34,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:34,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:34,042 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:34,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:34,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:34,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:34,049 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 03:17:34,049 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 03:17:34,203 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2018-12-03 03:17:34,203 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:17:34,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 36000 backedges. 1262 proven. 1275 refuted. 0 times theorem prover too weak. 33463 trivial. 0 not checked. [2018-12-03 03:17:34,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36000 backedges. 1264 proven. 1291 refuted. 0 times theorem prover too weak. 33445 trivial. 0 not checked. [2018-12-03 03:17:36,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:36,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 15] total 34 [2018-12-03 03:17:36,462 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:36,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-03 03:17:36,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-03 03:17:36,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=993, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 03:17:36,463 INFO L87 Difference]: Start difference. First operand 447 states and 549 transitions. Second operand 28 states. [2018-12-03 03:17:37,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:37,444 INFO L93 Difference]: Finished difference Result 831 states and 1029 transitions. [2018-12-03 03:17:37,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-03 03:17:37,444 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1103 [2018-12-03 03:17:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:37,446 INFO L225 Difference]: With dead ends: 831 [2018-12-03 03:17:37,446 INFO L226 Difference]: Without dead ends: 458 [2018-12-03 03:17:37,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2284 GetRequests, 2189 SyntacticMatches, 13 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2044 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=924, Invalid=6048, Unknown=0, NotChecked=0, Total=6972 [2018-12-03 03:17:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-12-03 03:17:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 382. [2018-12-03 03:17:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-12-03 03:17:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 458 transitions. [2018-12-03 03:17:37,463 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 458 transitions. Word has length 1103 [2018-12-03 03:17:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:37,464 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 458 transitions. [2018-12-03 03:17:37,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-03 03:17:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 458 transitions. [2018-12-03 03:17:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2018-12-03 03:17:37,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:37,471 INFO L402 BasicCegarLoop]: trace histogram [103, 103, 100, 100, 83, 81, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 33, 30, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:37,471 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:37,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:37,471 INFO L82 PathProgramCache]: Analyzing trace with hash 799342934, now seen corresponding path program 15 times [2018-12-03 03:17:37,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:37,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:37,472 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 03:17:37,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:37,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 57455 backedges. 902 proven. 4695 refuted. 0 times theorem prover too weak. 51858 trivial. 0 not checked. [2018-12-03 03:17:38,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:38,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:38,099 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 03:17:38,099 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 03:17:38,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:38,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:38,107 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-03 03:17:38,107 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-03 03:17:38,234 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-03 03:17:38,234 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 03:17:38,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 57455 backedges. 910 proven. 4683 refuted. 0 times theorem prover too weak. 51862 trivial. 0 not checked. [2018-12-03 03:17:38,694 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 57455 backedges. 906 proven. 4739 refuted. 0 times theorem prover too weak. 51810 trivial. 0 not checked. [2018-12-03 03:17:43,495 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:43,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 24] total 30 [2018-12-03 03:17:43,496 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:43,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 03:17:43,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 03:17:43,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-12-03 03:17:43,497 INFO L87 Difference]: Start difference. First operand 382 states and 458 transitions. Second operand 19 states. [2018-12-03 03:17:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:43,685 INFO L93 Difference]: Finished difference Result 425 states and 511 transitions. [2018-12-03 03:17:43,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 03:17:43,685 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1389 [2018-12-03 03:17:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:43,686 INFO L225 Difference]: With dead ends: 425 [2018-12-03 03:17:43,686 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:17:43,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2811 GetRequests, 2752 SyntacticMatches, 22 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=1189, Unknown=0, NotChecked=0, Total=1482 [2018-12-03 03:17:43,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:17:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:17:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:17:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:17:43,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1389 [2018-12-03 03:17:43,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:43,688 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:17:43,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 03:17:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:17:43,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:17:43,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:17:43,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:43,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:44,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:45,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:46,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:47,336 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 9 [2018-12-03 03:17:47,522 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2018-12-03 03:17:47,702 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 1 [2018-12-03 03:17:49,412 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 425 DAG size of output: 36 [2018-12-03 03:17:49,830 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 14 [2018-12-03 03:17:50,974 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 324 DAG size of output: 55 [2018-12-03 03:17:50,976 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 03:17:50,976 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2018-12-03 03:17:50,976 INFO L444 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: (= main_~x~0 10) [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L451 ceAbstractionStarter]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2018-12-03 03:17:50,977 INFO L444 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (and (< 2 |fibo2_#in~n|) (<= fibo2_~n |fibo2_#in~n|) (<= |fibo2_#in~n| fibo2_~n)) [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L444 ceAbstractionStarter]: At program point L23-2(line 23) the Hoare annotation is: (and (<= fibo2_~n |fibo2_#in~n|) (or (and (<= |fibo2_#t~ret2| 5) (<= 5 |fibo2_#t~ret2|)) (not (= |fibo2_#in~n| 6))) (or (<= 9 fibo2_~n) (and (<= |fibo2_#t~ret2| 8) (<= 8 |fibo2_#t~ret2|)) (<= |fibo2_#in~n| 6)) (<= 6 fibo2_~n) (let ((.cse0 (<= |fibo2_#in~n| fibo2_~n))) (or (and .cse0 (<= 9 |fibo2_#in~n|)) (and (<= fibo2_~n 7) .cse0))) (or (not (= |fibo2_#in~n| 9)) (and (<= 21 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 21)))) [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L451 ceAbstractionStarter]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2018-12-03 03:17:50,977 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (<= fibo1_~n |fibo1_#in~n|) (< 1 |fibo1_#in~n|) (or (< 3 |fibo1_#in~n|) (<= |fibo1_#in~n| 2)) (<= |fibo1_#in~n| fibo1_~n)) [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L444 ceAbstractionStarter]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (and (<= 2 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 2) (<= |fibo1_#in~n| 4)))) (and (<= fibo1_~n |fibo1_#in~n|) (or (not (= |fibo1_#in~n| 10)) (and (<= |fibo1_#t~ret0| 34) (<= 34 |fibo1_#t~ret0|))) (or (and (<= |fibo1_#t~ret0| 5) (<= 5 |fibo1_#t~ret0|)) (and (< 1 fibo1_~n) (<= |fibo1_#in~n| 2)) .cse0 (<= 8 fibo1_~n)) (or (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1)) (< 3 |fibo1_#in~n|)) (or (< 7 |fibo1_#in~n|) .cse0 (< |fibo1_#in~n| 3) (and (<= 6 |fibo1_#in~n|) (<= |fibo1_#in~n| 6))) (or (and (<= |fibo1_#t~ret0| 13) (<= 13 |fibo1_#t~ret0|)) (not (= |fibo1_#in~n| 8))) (<= |fibo1_#in~n| fibo1_~n))) [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2018-12-03 03:17:50,977 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. [2018-12-03 03:17:50,978 INFO L448 ceAbstractionStarter]: For program point L13-3(line 13) no Hoare annotation was computed. [2018-12-03 03:17:50,978 INFO L448 ceAbstractionStarter]: For program point L8(lines 8 14) no Hoare annotation was computed. [2018-12-03 03:17:50,978 INFO L448 ceAbstractionStarter]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2018-12-03 03:17:50,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:17:50 BoogieIcfgContainer [2018-12-03 03:17:50,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:17:50,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:17:50,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:17:50,980 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:17:50,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:14" (3/4) ... [2018-12-03 03:17:50,982 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:17:50,985 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:17:50,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:17:50,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2018-12-03 03:17:50,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2018-12-03 03:17:50,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-03 03:17:50,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 03:17:50,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:17:51,014 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3e443b9-59e9-4fad-90d9-bf5bb9b29107/bin-2019/utaipan/witness.graphml [2018-12-03 03:17:51,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:17:51,015 INFO L168 Benchmark]: Toolchain (without parser) took 276679.75 ms. Allocated memory was 1.0 GB in the beginning and 6.2 GB in the end (delta: 5.2 GB). Free memory was 950.8 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-03 03:17:51,015 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:51,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.68 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-03 03:17:51,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 10.98 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:51,015 INFO L168 Benchmark]: Boogie Preprocessor took 9.96 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:51,016 INFO L168 Benchmark]: RCFGBuilder took 147.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:17:51,016 INFO L168 Benchmark]: TraceAbstraction took 276345.42 ms. Allocated memory was 1.1 GB in the beginning and 6.2 GB in the end (delta: 5.1 GB). Free memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-12-03 03:17:51,016 INFO L168 Benchmark]: Witness Printer took 34.89 ms. Allocated memory is still 6.2 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 20.1 kB). Peak memory consumption was 20.1 kB. Max. memory is 11.5 GB. [2018-12-03 03:17:51,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.68 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 10.98 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.96 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 276345.42 ms. Allocated memory was 1.1 GB in the beginning and 6.2 GB in the end (delta: 5.1 GB). Free memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 34.89 ms. Allocated memory is still 6.2 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 20.1 kB). Peak memory consumption was 20.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. SAFE Result, 276.3s OverallTime, 25 OverallIterations, 172 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1091 SDtfs, 2176 SDslu, 13238 SDs, 0 SdLazy, 14922 SolverSat, 2337 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 34054 GetRequests, 32650 SyntacticMatches, 430 SemanticMatches, 974 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13532 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=643occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 192.7s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.8747747747747748 AbsIntWeakeningRatio, 0.5783783783783784 AbsIntAvgWeakeningVarsNumRemoved, 0.1972972972972973 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 25 MinimizatonAttempts, 861 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 3473 PreInvPairs, 6635 NumberOfFragments, 197 HoareAnnotationTreeSize, 3473 FomulaSimplifications, 1161633 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 11 FomulaSimplificationsInter, 263890 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 54.2s InterpolantComputationTime, 33014 NumberOfCodeBlocks, 28834 NumberOfCodeBlocksAsserted, 167 NumberOfCheckSat, 49259 ConstructedInterpolants, 0 QuantifiedInterpolants, 84333032 SizeOfPredicates, 138 NumberOfNonLiveVariables, 26339 ConjunctsInSsa, 980 ConjunctsInUnsatCore, 61 InterpolantComputations, 2 PerfectInterpolantSequences, 1720646/1844778 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...