./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2_alt_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2_alt_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 a2f01af3546ca3525e0ee0472f0f0b216e6d4f7c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:05:12,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:05:12,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:05:12,027 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:05:12,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:05:12,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:05:12,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:05:12,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:05:12,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:05:12,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:05:12,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:05:12,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:05:12,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:05:12,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:05:12,034 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:05:12,035 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:05:12,035 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:05:12,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:05:12,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:05:12,039 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:05:12,040 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:05:12,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:05:12,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:05:12,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:05:12,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:05:12,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:05:12,044 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:05:12,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:05:12,045 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:05:12,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:05:12,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:05:12,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:05:12,047 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:05:12,047 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:05:12,047 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:05:12,048 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:05:12,048 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:05:12,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:05:12,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:05:12,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:05:12,060 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:05:12,060 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:05:12,060 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:05:12,060 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:05:12,060 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:05:12,061 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:05:12,061 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:05:12,061 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:05:12,061 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:05:12,061 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:05:12,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:05:12,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:05:12,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:05:12,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:05:12,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:05:12,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:05:12,063 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:05:12,063 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:05:12,063 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:05:12,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:05:12,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:05:12,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:05:12,066 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:05:12,066 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_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 -> a2f01af3546ca3525e0ee0472f0f0b216e6d4f7c [2018-11-23 08:05:12,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:05:12,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:05:12,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:05:12,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:05:12,104 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:05:12,104 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2_alt_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 08:05:12,147 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/data/91c797ed2/a6d216bbef3d4ca399fb88a554c79470/FLAG91c6fa338 [2018-11-23 08:05:12,568 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:05:12,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/sv-benchmarks/c/bitvector/s3_srvr_2_alt_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 08:05:12,576 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/data/91c797ed2/a6d216bbef3d4ca399fb88a554c79470/FLAG91c6fa338 [2018-11-23 08:05:12,585 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/data/91c797ed2/a6d216bbef3d4ca399fb88a554c79470 [2018-11-23 08:05:12,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:05:12,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:05:12,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:05:12,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:05:12,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:05:12,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f466f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12, skipping insertion in model container [2018-11-23 08:05:12,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:05:12,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:05:12,779 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:05:12,782 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:05:12,826 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:05:12,836 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:05:12,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12 WrapperNode [2018-11-23 08:05:12,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:05:12,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:05:12,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:05:12,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:05:12,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:05:12,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:05:12,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:05:12,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:05:12,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2018-11-23 08:05:12,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:05:12,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:05:12,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:05:12,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:05:12,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:05:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:05:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:05:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-23 08:05:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-23 08:05:13,064 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 08:05:13,065 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 08:05:13,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:05:13,406 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:05:13,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:13 BoogieIcfgContainer [2018-11-23 08:05:13,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:05:13,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:05:13,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:05:13,409 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:05:13,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:05:12" (1/3) ... [2018-11-23 08:05:13,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554d3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:05:13, skipping insertion in model container [2018-11-23 08:05:13,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (2/3) ... [2018-11-23 08:05:13,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554d3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:05:13, skipping insertion in model container [2018-11-23 08:05:13,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:13" (3/3) ... [2018-11-23 08:05:13,411 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2_alt_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 08:05:13,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:05:13,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:05:13,430 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:05:13,450 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:05:13,450 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:05:13,451 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:05:13,451 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:05:13,451 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:05:13,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:05:13,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:05:13,451 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:05:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-23 08:05:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 08:05:13,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:13,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:13,473 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:13,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:13,478 INFO L82 PathProgramCache]: Analyzing trace with hash -214397175, now seen corresponding path program 1 times [2018-11-23 08:05:13,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:13,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:13,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:13,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:13,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:05:13,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:13,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:05:13,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:13,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:05:13,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:05:13,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:13,682 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 5 states. [2018-11-23 08:05:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:13,957 INFO L93 Difference]: Finished difference Result 326 states and 557 transitions. [2018-11-23 08:05:13,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:13,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-11-23 08:05:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:13,970 INFO L225 Difference]: With dead ends: 326 [2018-11-23 08:05:13,970 INFO L226 Difference]: Without dead ends: 166 [2018-11-23 08:05:13,973 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 [2018-11-23 08:05:13,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-23 08:05:14,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 161. [2018-11-23 08:05:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-23 08:05:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 253 transitions. [2018-11-23 08:05:14,022 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 253 transitions. Word has length 49 [2018-11-23 08:05:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:14,023 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 253 transitions. [2018-11-23 08:05:14,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:05:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2018-11-23 08:05:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 08:05:14,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:14,025 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:14,025 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:14,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1936586635, now seen corresponding path program 1 times [2018-11-23 08:05:14,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:14,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:14,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:05:14,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:14,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:05:14,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:14,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:05:14,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:05:14,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:14,119 INFO L87 Difference]: Start difference. First operand 161 states and 253 transitions. Second operand 5 states. [2018-11-23 08:05:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:14,377 INFO L93 Difference]: Finished difference Result 357 states and 570 transitions. [2018-11-23 08:05:14,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:14,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-11-23 08:05:14,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:14,379 INFO L225 Difference]: With dead ends: 357 [2018-11-23 08:05:14,379 INFO L226 Difference]: Without dead ends: 207 [2018-11-23 08:05:14,379 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 [2018-11-23 08:05:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-11-23 08:05:14,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 202. [2018-11-23 08:05:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-23 08:05:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 325 transitions. [2018-11-23 08:05:14,390 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 325 transitions. Word has length 50 [2018-11-23 08:05:14,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:14,390 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 325 transitions. [2018-11-23 08:05:14,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:05:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 325 transitions. [2018-11-23 08:05:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 08:05:14,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:14,392 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:14,392 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:14,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:14,393 INFO L82 PathProgramCache]: Analyzing trace with hash -83111160, now seen corresponding path program 1 times [2018-11-23 08:05:14,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:14,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:14,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:05:14,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:14,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:14,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:14,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:14,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:14,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:14,455 INFO L87 Difference]: Start difference. First operand 202 states and 325 transitions. Second operand 3 states. [2018-11-23 08:05:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:14,497 INFO L93 Difference]: Finished difference Result 578 states and 940 transitions. [2018-11-23 08:05:14,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:14,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-23 08:05:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:14,501 INFO L225 Difference]: With dead ends: 578 [2018-11-23 08:05:14,501 INFO L226 Difference]: Without dead ends: 389 [2018-11-23 08:05:14,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-23 08:05:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-11-23 08:05:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-23 08:05:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 629 transitions. [2018-11-23 08:05:14,529 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 629 transitions. Word has length 65 [2018-11-23 08:05:14,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:14,530 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 629 transitions. [2018-11-23 08:05:14,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 629 transitions. [2018-11-23 08:05:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 08:05:14,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:14,533 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:14,533 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:14,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1967371592, now seen corresponding path program 1 times [2018-11-23 08:05:14,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:14,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:14,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 08:05:14,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:14,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:05:14,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:14,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:05:14,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:05:14,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:14,618 INFO L87 Difference]: Start difference. First operand 389 states and 629 transitions. Second operand 5 states. [2018-11-23 08:05:14,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:14,728 INFO L93 Difference]: Finished difference Result 817 states and 1322 transitions. [2018-11-23 08:05:14,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:14,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2018-11-23 08:05:14,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:14,730 INFO L225 Difference]: With dead ends: 817 [2018-11-23 08:05:14,730 INFO L226 Difference]: Without dead ends: 441 [2018-11-23 08:05:14,732 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 [2018-11-23 08:05:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-23 08:05:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2018-11-23 08:05:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-23 08:05:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 691 transitions. [2018-11-23 08:05:14,749 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 691 transitions. Word has length 86 [2018-11-23 08:05:14,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:14,749 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 691 transitions. [2018-11-23 08:05:14,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:05:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 691 transitions. [2018-11-23 08:05:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 08:05:14,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:14,751 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:14,751 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:14,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:14,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1667167567, now seen corresponding path program 1 times [2018-11-23 08:05:14,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:14,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:14,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 08:05:14,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:14,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:05:14,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:14,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:05:14,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:05:14,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:14,799 INFO L87 Difference]: Start difference. First operand 431 states and 691 transitions. Second operand 5 states. [2018-11-23 08:05:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:14,905 INFO L93 Difference]: Finished difference Result 859 states and 1380 transitions. [2018-11-23 08:05:14,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:14,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2018-11-23 08:05:14,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:14,907 INFO L225 Difference]: With dead ends: 859 [2018-11-23 08:05:14,908 INFO L226 Difference]: Without dead ends: 441 [2018-11-23 08:05:14,909 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 [2018-11-23 08:05:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-23 08:05:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2018-11-23 08:05:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-23 08:05:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 687 transitions. [2018-11-23 08:05:14,924 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 687 transitions. Word has length 87 [2018-11-23 08:05:14,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:14,924 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 687 transitions. [2018-11-23 08:05:14,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:05:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 687 transitions. [2018-11-23 08:05:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:05:14,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:14,926 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:14,926 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:14,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:14,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1961825767, now seen corresponding path program 1 times [2018-11-23 08:05:14,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:14,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:14,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:14,928 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:05:14,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:14,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:14,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:14,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:14,978 INFO L87 Difference]: Start difference. First operand 431 states and 687 transitions. Second operand 3 states. [2018-11-23 08:05:15,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:15,085 INFO L93 Difference]: Finished difference Result 977 states and 1581 transitions. [2018-11-23 08:05:15,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:15,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-23 08:05:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:15,087 INFO L225 Difference]: With dead ends: 977 [2018-11-23 08:05:15,088 INFO L226 Difference]: Without dead ends: 559 [2018-11-23 08:05:15,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-11-23 08:05:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 549. [2018-11-23 08:05:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-23 08:05:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 803 transitions. [2018-11-23 08:05:15,104 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 803 transitions. Word has length 102 [2018-11-23 08:05:15,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:15,105 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 803 transitions. [2018-11-23 08:05:15,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 803 transitions. [2018-11-23 08:05:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:05:15,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:15,106 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:15,107 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:15,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:15,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1528096681, now seen corresponding path program 1 times [2018-11-23 08:05:15,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:15,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:15,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:05:15,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:15,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:15,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:15,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:15,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:15,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,154 INFO L87 Difference]: Start difference. First operand 549 states and 803 transitions. Second operand 3 states. [2018-11-23 08:05:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:15,278 INFO L93 Difference]: Finished difference Result 1173 states and 1739 transitions. [2018-11-23 08:05:15,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:15,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-23 08:05:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:15,280 INFO L225 Difference]: With dead ends: 1173 [2018-11-23 08:05:15,280 INFO L226 Difference]: Without dead ends: 637 [2018-11-23 08:05:15,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-23 08:05:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 611. [2018-11-23 08:05:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-11-23 08:05:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 891 transitions. [2018-11-23 08:05:15,297 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 891 transitions. Word has length 102 [2018-11-23 08:05:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:15,297 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 891 transitions. [2018-11-23 08:05:15,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 891 transitions. [2018-11-23 08:05:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 08:05:15,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:15,299 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:15,299 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:15,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:15,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1785636715, now seen corresponding path program 1 times [2018-11-23 08:05:15,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:15,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:15,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 08:05:15,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:15,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:15,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:15,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:15,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:15,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,352 INFO L87 Difference]: Start difference. First operand 611 states and 891 transitions. Second operand 3 states. [2018-11-23 08:05:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:15,403 INFO L93 Difference]: Finished difference Result 911 states and 1330 transitions. [2018-11-23 08:05:15,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:15,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-23 08:05:15,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:15,406 INFO L225 Difference]: With dead ends: 911 [2018-11-23 08:05:15,406 INFO L226 Difference]: Without dead ends: 909 [2018-11-23 08:05:15,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-11-23 08:05:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2018-11-23 08:05:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2018-11-23 08:05:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1328 transitions. [2018-11-23 08:05:15,428 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1328 transitions. Word has length 126 [2018-11-23 08:05:15,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:15,429 INFO L480 AbstractCegarLoop]: Abstraction has 909 states and 1328 transitions. [2018-11-23 08:05:15,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1328 transitions. [2018-11-23 08:05:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 08:05:15,431 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:15,431 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:15,432 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:15,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:15,432 INFO L82 PathProgramCache]: Analyzing trace with hash 607551452, now seen corresponding path program 1 times [2018-11-23 08:05:15,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:15,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:15,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-23 08:05:15,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:15,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:15,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:15,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:15,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:15,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,481 INFO L87 Difference]: Start difference. First operand 909 states and 1328 transitions. Second operand 3 states. [2018-11-23 08:05:15,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:15,578 INFO L93 Difference]: Finished difference Result 1883 states and 2738 transitions. [2018-11-23 08:05:15,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:15,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-11-23 08:05:15,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:15,581 INFO L225 Difference]: With dead ends: 1883 [2018-11-23 08:05:15,581 INFO L226 Difference]: Without dead ends: 987 [2018-11-23 08:05:15,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2018-11-23 08:05:15,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 978. [2018-11-23 08:05:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-23 08:05:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1412 transitions. [2018-11-23 08:05:15,607 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1412 transitions. Word has length 190 [2018-11-23 08:05:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:15,608 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1412 transitions. [2018-11-23 08:05:15,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1412 transitions. [2018-11-23 08:05:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:05:15,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:15,611 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:15,611 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:15,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:15,611 INFO L82 PathProgramCache]: Analyzing trace with hash 303867594, now seen corresponding path program 1 times [2018-11-23 08:05:15,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:15,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:15,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-23 08:05:15,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:15,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:15,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:15,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:15,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:15,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,660 INFO L87 Difference]: Start difference. First operand 978 states and 1412 transitions. Second operand 3 states. [2018-11-23 08:05:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:15,787 INFO L93 Difference]: Finished difference Result 2054 states and 2966 transitions. [2018-11-23 08:05:15,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:15,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-11-23 08:05:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:15,791 INFO L225 Difference]: With dead ends: 2054 [2018-11-23 08:05:15,791 INFO L226 Difference]: Without dead ends: 1089 [2018-11-23 08:05:15,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-11-23 08:05:15,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1053. [2018-11-23 08:05:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2018-11-23 08:05:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1502 transitions. [2018-11-23 08:05:15,826 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1502 transitions. Word has length 210 [2018-11-23 08:05:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:15,826 INFO L480 AbstractCegarLoop]: Abstraction has 1053 states and 1502 transitions. [2018-11-23 08:05:15,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1502 transitions. [2018-11-23 08:05:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-23 08:05:15,830 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:15,830 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:15,830 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:15,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash -524042466, now seen corresponding path program 1 times [2018-11-23 08:05:15,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:15,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:15,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:15,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-11-23 08:05:15,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:15,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:15,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:15,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:15,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:15,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:15,925 INFO L87 Difference]: Start difference. First operand 1053 states and 1502 transitions. Second operand 3 states. [2018-11-23 08:05:16,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:16,143 INFO L93 Difference]: Finished difference Result 2195 states and 3134 transitions. [2018-11-23 08:05:16,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:16,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2018-11-23 08:05:16,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:16,147 INFO L225 Difference]: With dead ends: 2195 [2018-11-23 08:05:16,148 INFO L226 Difference]: Without dead ends: 1155 [2018-11-23 08:05:16,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2018-11-23 08:05:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1134. [2018-11-23 08:05:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-11-23 08:05:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1598 transitions. [2018-11-23 08:05:16,181 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1598 transitions. Word has length 236 [2018-11-23 08:05:16,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:16,182 INFO L480 AbstractCegarLoop]: Abstraction has 1134 states and 1598 transitions. [2018-11-23 08:05:16,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1598 transitions. [2018-11-23 08:05:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 08:05:16,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:16,186 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:16,186 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:16,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:16,186 INFO L82 PathProgramCache]: Analyzing trace with hash 953382016, now seen corresponding path program 1 times [2018-11-23 08:05:16,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:16,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:16,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-23 08:05:16,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:16,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:16,275 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:16,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:16,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:16,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:16,276 INFO L87 Difference]: Start difference. First operand 1134 states and 1598 transitions. Second operand 3 states. [2018-11-23 08:05:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:16,334 INFO L93 Difference]: Finished difference Result 3370 states and 4751 transitions. [2018-11-23 08:05:16,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:16,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2018-11-23 08:05:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:16,340 INFO L225 Difference]: With dead ends: 3370 [2018-11-23 08:05:16,341 INFO L226 Difference]: Without dead ends: 2249 [2018-11-23 08:05:16,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2018-11-23 08:05:16,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2247. [2018-11-23 08:05:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2247 states. [2018-11-23 08:05:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 3163 transitions. [2018-11-23 08:05:16,405 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 3163 transitions. Word has length 237 [2018-11-23 08:05:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:16,406 INFO L480 AbstractCegarLoop]: Abstraction has 2247 states and 3163 transitions. [2018-11-23 08:05:16,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 3163 transitions. [2018-11-23 08:05:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-23 08:05:16,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:16,411 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:16,411 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:16,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:16,411 INFO L82 PathProgramCache]: Analyzing trace with hash -592064313, now seen corresponding path program 1 times [2018-11-23 08:05:16,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:16,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:16,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,412 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-23 08:05:16,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:16,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:16,469 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:16,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:16,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:16,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:16,470 INFO L87 Difference]: Start difference. First operand 2247 states and 3163 transitions. Second operand 3 states. [2018-11-23 08:05:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:16,651 INFO L93 Difference]: Finished difference Result 4727 states and 6729 transitions. [2018-11-23 08:05:16,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:16,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2018-11-23 08:05:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:16,660 INFO L225 Difference]: With dead ends: 4727 [2018-11-23 08:05:16,660 INFO L226 Difference]: Without dead ends: 2433 [2018-11-23 08:05:16,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:16,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2018-11-23 08:05:16,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2433. [2018-11-23 08:05:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2433 states. [2018-11-23 08:05:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3379 transitions. [2018-11-23 08:05:16,704 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3379 transitions. Word has length 238 [2018-11-23 08:05:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:16,705 INFO L480 AbstractCegarLoop]: Abstraction has 2433 states and 3379 transitions. [2018-11-23 08:05:16,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3379 transitions. [2018-11-23 08:05:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 08:05:16,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:16,708 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:16,708 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:16,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:16,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2024758885, now seen corresponding path program 1 times [2018-11-23 08:05:16,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:16,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:16,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:16,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-23 08:05:16,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:16,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:16,789 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-11-23 08:05:16,791 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [501], [507], [512], [514], [517], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:16,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:16,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:17,370 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:17,371 INFO L272 AbstractInterpreter]: Visited 90 different actions 429 times. Merged at 75 different actions 305 times. Widened at 2 different actions 3 times. Performed 1982 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 40 fixpoints after 12 different actions. Largest state had 90 variables. [2018-11-23 08:05:17,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:17,392 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:17,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:17,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:05:17,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:17,405 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:17,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-23 08:05:17,513 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-23 08:05:17,569 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:05:17,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-11-23 08:05:17,569 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:17,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:17,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:17,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:17,570 INFO L87 Difference]: Start difference. First operand 2433 states and 3379 transitions. Second operand 3 states. [2018-11-23 08:05:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:17,673 INFO L93 Difference]: Finished difference Result 5659 states and 7862 transitions. [2018-11-23 08:05:17,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:17,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2018-11-23 08:05:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:17,683 INFO L225 Difference]: With dead ends: 5659 [2018-11-23 08:05:17,683 INFO L226 Difference]: Without dead ends: 3239 [2018-11-23 08:05:17,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 499 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:17,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2018-11-23 08:05:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 3239. [2018-11-23 08:05:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3239 states. [2018-11-23 08:05:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 4498 transitions. [2018-11-23 08:05:17,769 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 4498 transitions. Word has length 250 [2018-11-23 08:05:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:17,770 INFO L480 AbstractCegarLoop]: Abstraction has 3239 states and 4498 transitions. [2018-11-23 08:05:17,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 4498 transitions. [2018-11-23 08:05:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 08:05:17,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:17,777 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:17,777 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:17,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:17,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1042813626, now seen corresponding path program 1 times [2018-11-23 08:05:17,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:17,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:17,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:17,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:17,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-23 08:05:17,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:17,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:17,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:17,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:17,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:17,881 INFO L87 Difference]: Start difference. First operand 3239 states and 4498 transitions. Second operand 3 states. [2018-11-23 08:05:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:18,020 INFO L93 Difference]: Finished difference Result 9475 states and 13204 transitions. [2018-11-23 08:05:18,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:18,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2018-11-23 08:05:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:18,038 INFO L225 Difference]: With dead ends: 9475 [2018-11-23 08:05:18,038 INFO L226 Difference]: Without dead ends: 6249 [2018-11-23 08:05:18,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:18,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2018-11-23 08:05:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 6247. [2018-11-23 08:05:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6247 states. [2018-11-23 08:05:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6247 states to 6247 states and 8698 transitions. [2018-11-23 08:05:18,197 INFO L78 Accepts]: Start accepts. Automaton has 6247 states and 8698 transitions. Word has length 258 [2018-11-23 08:05:18,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:18,197 INFO L480 AbstractCegarLoop]: Abstraction has 6247 states and 8698 transitions. [2018-11-23 08:05:18,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6247 states and 8698 transitions. [2018-11-23 08:05:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 08:05:18,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:18,206 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:18,207 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:18,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:18,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1331633016, now seen corresponding path program 1 times [2018-11-23 08:05:18,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:18,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:18,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:18,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:18,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 08:05:18,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:18,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:18,277 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-11-23 08:05:18,277 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [318], [441], [443], [491], [496], [499], [501], [507], [512], [514], [517], [519], [524], [527], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:18,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:18,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:18,560 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:18,560 INFO L272 AbstractInterpreter]: Visited 77 different actions 296 times. Merged at 64 different actions 199 times. Never widened. Performed 1453 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 22 fixpoints after 11 different actions. Largest state had 88 variables. [2018-11-23 08:05:18,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:18,562 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:18,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:18,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:05:18,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:18,574 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:18,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 08:05:18,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 08:05:18,842 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:05:18,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 08:05:18,842 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:05:18,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:05:18,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:05:18,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:05:18,843 INFO L87 Difference]: Start difference. First operand 6247 states and 8698 transitions. Second operand 4 states. [2018-11-23 08:05:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:19,199 INFO L93 Difference]: Finished difference Result 14243 states and 19900 transitions. [2018-11-23 08:05:19,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:19,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2018-11-23 08:05:19,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:19,215 INFO L225 Difference]: With dead ends: 14243 [2018-11-23 08:05:19,215 INFO L226 Difference]: Without dead ends: 5319 [2018-11-23 08:05:19,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:05:19,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2018-11-23 08:05:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 4880. [2018-11-23 08:05:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4880 states. [2018-11-23 08:05:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4880 states to 4880 states and 6662 transitions. [2018-11-23 08:05:19,347 INFO L78 Accepts]: Start accepts. Automaton has 4880 states and 6662 transitions. Word has length 258 [2018-11-23 08:05:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:19,347 INFO L480 AbstractCegarLoop]: Abstraction has 4880 states and 6662 transitions. [2018-11-23 08:05:19,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:05:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4880 states and 6662 transitions. [2018-11-23 08:05:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-23 08:05:19,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:19,356 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:19,356 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:19,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:19,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1493372655, now seen corresponding path program 1 times [2018-11-23 08:05:19,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:19,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:19,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:19,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:19,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2018-11-23 08:05:19,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:19,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:19,436 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:19,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:19,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:19,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:19,437 INFO L87 Difference]: Start difference. First operand 4880 states and 6662 transitions. Second operand 3 states. [2018-11-23 08:05:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:19,608 INFO L93 Difference]: Finished difference Result 10119 states and 13823 transitions. [2018-11-23 08:05:19,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:19,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2018-11-23 08:05:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:19,618 INFO L225 Difference]: With dead ends: 10119 [2018-11-23 08:05:19,618 INFO L226 Difference]: Without dead ends: 5252 [2018-11-23 08:05:19,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2018-11-23 08:05:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5228. [2018-11-23 08:05:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5228 states. [2018-11-23 08:05:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7070 transitions. [2018-11-23 08:05:19,729 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7070 transitions. Word has length 327 [2018-11-23 08:05:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:19,729 INFO L480 AbstractCegarLoop]: Abstraction has 5228 states and 7070 transitions. [2018-11-23 08:05:19,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7070 transitions. [2018-11-23 08:05:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-23 08:05:19,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:19,740 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:19,740 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:19,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash -628837501, now seen corresponding path program 1 times [2018-11-23 08:05:19,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:19,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:19,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 871 proven. 26 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-11-23 08:05:19,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:19,870 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:19,870 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 361 with the following transitions: [2018-11-23 08:05:19,870 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [501], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:19,875 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:19,876 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:20,212 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:20,213 INFO L272 AbstractInterpreter]: Visited 95 different actions 379 times. Merged at 80 different actions 250 times. Widened at 2 different actions 2 times. Performed 1733 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1733 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 41 fixpoints after 14 different actions. Largest state had 90 variables. [2018-11-23 08:05:20,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:20,223 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:20,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:20,224 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 [2018-11-23 08:05:20,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:20,235 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:20,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2018-11-23 08:05:20,386 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2018-11-23 08:05:20,455 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:05:20,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-11-23 08:05:20,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:20,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:20,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:20,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:20,456 INFO L87 Difference]: Start difference. First operand 5228 states and 7070 transitions. Second operand 3 states. [2018-11-23 08:05:20,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:20,542 INFO L93 Difference]: Finished difference Result 6038 states and 8184 transitions. [2018-11-23 08:05:20,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:20,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2018-11-23 08:05:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:20,551 INFO L225 Difference]: With dead ends: 6038 [2018-11-23 08:05:20,551 INFO L226 Difference]: Without dead ends: 4559 [2018-11-23 08:05:20,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:05:20,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2018-11-23 08:05:20,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 3751. [2018-11-23 08:05:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3751 states. [2018-11-23 08:05:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5066 transitions. [2018-11-23 08:05:20,630 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5066 transitions. Word has length 360 [2018-11-23 08:05:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:20,631 INFO L480 AbstractCegarLoop]: Abstraction has 3751 states and 5066 transitions. [2018-11-23 08:05:20,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5066 transitions. [2018-11-23 08:05:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-11-23 08:05:20,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:20,640 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:20,640 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:20,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:20,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1643493371, now seen corresponding path program 1 times [2018-11-23 08:05:20,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:20,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:20,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:20,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:20,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 08:05:20,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:20,834 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:20,835 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2018-11-23 08:05:20,835 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:20,837 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:20,837 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:21,211 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:21,212 INFO L272 AbstractInterpreter]: Visited 93 different actions 440 times. Merged at 79 different actions 313 times. Widened at 5 different actions 6 times. Performed 2048 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 39 fixpoints after 13 different actions. Largest state had 90 variables. [2018-11-23 08:05:21,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:21,228 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:21,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:21,228 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 [2018-11-23 08:05:21,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:21,238 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:21,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 08:05:21,375 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 08:05:21,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:05:21,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 08:05:21,494 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:05:21,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:05:21,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:05:21,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:05:21,495 INFO L87 Difference]: Start difference. First operand 3751 states and 5066 transitions. Second operand 4 states. [2018-11-23 08:05:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:21,753 INFO L93 Difference]: Finished difference Result 8441 states and 11422 transitions. [2018-11-23 08:05:21,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:21,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 422 [2018-11-23 08:05:21,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:21,761 INFO L225 Difference]: With dead ends: 8441 [2018-11-23 08:05:21,761 INFO L226 Difference]: Without dead ends: 4534 [2018-11-23 08:05:21,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:05:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2018-11-23 08:05:21,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3804. [2018-11-23 08:05:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3804 states. [2018-11-23 08:05:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5077 transitions. [2018-11-23 08:05:21,873 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5077 transitions. Word has length 422 [2018-11-23 08:05:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:21,873 INFO L480 AbstractCegarLoop]: Abstraction has 3804 states and 5077 transitions. [2018-11-23 08:05:21,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:05:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5077 transitions. [2018-11-23 08:05:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-11-23 08:05:21,878 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:21,879 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:21,879 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:21,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:21,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1318969793, now seen corresponding path program 1 times [2018-11-23 08:05:21,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:21,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:21,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:21,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:21,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 08:05:22,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:22,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:22,018 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 455 with the following transitions: [2018-11-23 08:05:22,018 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:22,020 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:22,020 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:22,293 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:22,293 INFO L272 AbstractInterpreter]: Visited 94 different actions 369 times. Merged at 79 different actions 245 times. Widened at 4 different actions 4 times. Performed 1687 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1687 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 34 fixpoints after 13 different actions. Largest state had 90 variables. [2018-11-23 08:05:22,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:22,295 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:22,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:22,296 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 [2018-11-23 08:05:22,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:22,307 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:22,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 08:05:22,422 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 08:05:22,540 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:05:22,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 08:05:22,540 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:05:22,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:05:22,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:05:22,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:05:22,542 INFO L87 Difference]: Start difference. First operand 3804 states and 5077 transitions. Second operand 4 states. [2018-11-23 08:05:22,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:22,783 INFO L93 Difference]: Finished difference Result 11090 states and 14778 transitions. [2018-11-23 08:05:22,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:05:22,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 454 [2018-11-23 08:05:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:22,791 INFO L225 Difference]: With dead ends: 11090 [2018-11-23 08:05:22,792 INFO L226 Difference]: Without dead ends: 7512 [2018-11-23 08:05:22,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:05:22,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7512 states. [2018-11-23 08:05:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7512 to 5220. [2018-11-23 08:05:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5220 states. [2018-11-23 08:05:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 6957 transitions. [2018-11-23 08:05:22,874 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 6957 transitions. Word has length 454 [2018-11-23 08:05:22,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:22,875 INFO L480 AbstractCegarLoop]: Abstraction has 5220 states and 6957 transitions. [2018-11-23 08:05:22,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:05:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 6957 transitions. [2018-11-23 08:05:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-23 08:05:22,879 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:22,880 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:22,880 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:22,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:22,880 INFO L82 PathProgramCache]: Analyzing trace with hash 93186726, now seen corresponding path program 1 times [2018-11-23 08:05:22,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:22,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:22,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:22,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:22,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 1662 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2018-11-23 08:05:22,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:22,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:22,968 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:22,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:22,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:22,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:22,969 INFO L87 Difference]: Start difference. First operand 5220 states and 6957 transitions. Second operand 3 states. [2018-11-23 08:05:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:23,096 INFO L93 Difference]: Finished difference Result 11015 states and 14606 transitions. [2018-11-23 08:05:23,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:23,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-11-23 08:05:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:23,103 INFO L225 Difference]: With dead ends: 11015 [2018-11-23 08:05:23,103 INFO L226 Difference]: Without dead ends: 5832 [2018-11-23 08:05:23,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:23,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2018-11-23 08:05:23,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5798. [2018-11-23 08:05:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5798 states. [2018-11-23 08:05:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5798 states and 7620 transitions. [2018-11-23 08:05:23,181 INFO L78 Accepts]: Start accepts. Automaton has 5798 states and 7620 transitions. Word has length 499 [2018-11-23 08:05:23,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:23,182 INFO L480 AbstractCegarLoop]: Abstraction has 5798 states and 7620 transitions. [2018-11-23 08:05:23,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5798 states and 7620 transitions. [2018-11-23 08:05:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-11-23 08:05:23,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:23,187 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:23,187 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:23,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:23,187 INFO L82 PathProgramCache]: Analyzing trace with hash -802092301, now seen corresponding path program 1 times [2018-11-23 08:05:23,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:23,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:23,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:23,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:23,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1671 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2018-11-23 08:05:23,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:05:23,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:05:23,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:05:23,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:05:23,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:05:23,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:23,274 INFO L87 Difference]: Start difference. First operand 5798 states and 7620 transitions. Second operand 3 states. [2018-11-23 08:05:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:23,447 INFO L93 Difference]: Finished difference Result 11732 states and 15471 transitions. [2018-11-23 08:05:23,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:05:23,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 514 [2018-11-23 08:05:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:23,453 INFO L225 Difference]: With dead ends: 11732 [2018-11-23 08:05:23,453 INFO L226 Difference]: Without dead ends: 5971 [2018-11-23 08:05:23,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:05:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5971 states. [2018-11-23 08:05:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5971 to 5862. [2018-11-23 08:05:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5862 states. [2018-11-23 08:05:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5862 states to 5862 states and 7705 transitions. [2018-11-23 08:05:23,533 INFO L78 Accepts]: Start accepts. Automaton has 5862 states and 7705 transitions. Word has length 514 [2018-11-23 08:05:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:23,533 INFO L480 AbstractCegarLoop]: Abstraction has 5862 states and 7705 transitions. [2018-11-23 08:05:23,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:05:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 5862 states and 7705 transitions. [2018-11-23 08:05:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2018-11-23 08:05:23,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:05:23,538 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:05:23,539 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:05:23,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:23,539 INFO L82 PathProgramCache]: Analyzing trace with hash -575263831, now seen corresponding path program 1 times [2018-11-23 08:05:23,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:05:23,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:23,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:23,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:05:23,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:05:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1986 proven. 16 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2018-11-23 08:05:23,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:23,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:05:23,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 519 with the following transitions: [2018-11-23 08:05:23,642 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [101], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [161], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [445], [450], [453], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 08:05:23,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:05:23,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:05:23,816 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:05:23,816 INFO L272 AbstractInterpreter]: Visited 99 different actions 394 times. Merged at 83 different actions 257 times. Widened at 5 different actions 5 times. Performed 1823 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 45 fixpoints after 17 different actions. Largest state had 91 variables. [2018-11-23 08:05:23,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:05:23,823 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:05:23,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:05:23,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/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 [2018-11-23 08:05:23,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:05:23,841 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:05:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:05:23,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:05:24,200 WARN L854 $PredicateComparison]: unable to prove that (exists ((ssl3_accept_~ag_X~0 Int) (ssl3_accept_~ag_Y~0 Int)) (let ((.cse0 (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)))) (and (<= .cse0 8496) (<= c_ssl3_accept_~s__state~0 .cse0)))) is different from true [2018-11-23 08:05:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1792 proven. 95 refuted. 0 times theorem prover too weak. 1173 trivial. 144 not checked. [2018-11-23 08:05:24,535 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:05:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1887 proven. 144 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2018-11-23 08:05:24,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:05:24,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2018-11-23 08:05:24,841 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:05:24,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:05:24,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:05:24,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=53, Unknown=1, NotChecked=14, Total=90 [2018-11-23 08:05:24,842 INFO L87 Difference]: Start difference. First operand 5862 states and 7705 transitions. Second operand 7 states. [2018-11-23 08:05:25,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:05:25,514 INFO L93 Difference]: Finished difference Result 13964 states and 18456 transitions. [2018-11-23 08:05:25,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 08:05:25,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 518 [2018-11-23 08:05:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:05:25,515 INFO L225 Difference]: With dead ends: 13964 [2018-11-23 08:05:25,515 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:05:25,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1050 GetRequests, 1036 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=148, Unknown=1, NotChecked=26, Total=240 [2018-11-23 08:05:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:05:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:05:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:05:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:05:25,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 518 [2018-11-23 08:05:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:05:25,528 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:05:25,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:05:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:05:25,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:05:25,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:05:25,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:25,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,412 WARN L180 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 198 [2018-11-23 08:05:26,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,961 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 199 [2018-11-23 08:05:26,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:26,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:05:27,702 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 54 [2018-11-23 08:05:28,220 WARN L180 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2018-11-23 08:05:28,530 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2018-11-23 08:05:28,906 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 28 [2018-11-23 08:05:29,187 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 28 [2018-11-23 08:05:29,404 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2018-11-23 08:05:29,520 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2018-11-23 08:05:29,869 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 08:05:29,869 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:05:29,869 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 08:05:29,870 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 676 687) the Hoare annotation is: true [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 676 687) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L444 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (<= main_~s~0 8464) [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 676 687) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2018-11-23 08:05:29,870 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 592) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 603) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 614) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 625) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 339) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L444 ceAbstractionStarter]: At program point L203(lines 199 593) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8656 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1))) [2018-11-23 08:05:29,871 INFO L444 ceAbstractionStarter]: At program point L104(lines 103 625) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)) [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 479) no Hoare annotation was computed. [2018-11-23 08:05:29,871 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 439) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L444 ceAbstractionStarter]: At program point L369(lines 352 387) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,872 INFO L444 ceAbstractionStarter]: At program point L403(lines 394 425) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 243) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 591) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 602) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 613) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 624) no Hoare annotation was computed. [2018-11-23 08:05:29,872 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L444 ceAbstractionStarter]: At program point L206(lines 205 591) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)) [2018-11-23 08:05:29,873 INFO L444 ceAbstractionStarter]: At program point L173(lines 169 603) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (<= 8576 ssl3_accept_~s__state~0)) (.cse1 (not (= 8673 ssl3_accept_~s__state~0))) (.cse2 (not (= 8672 ssl3_accept_~s__state~0)))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and (<= 8512 ssl3_accept_~s__state~0) .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse3 (and (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2)) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,873 INFO L444 ceAbstractionStarter]: At program point L140(lines 136 614) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse2 (<= 8466 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8496) (and (and (<= ssl3_accept_~blastFlag~0 1) .cse0) .cse2))) [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 82) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L571(lines 571 581) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 581) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 278) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 601) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 612) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 623) no Hoare annotation was computed. [2018-11-23 08:05:29,873 INFO L451 ceAbstractionStarter]: At program point ssl3_acceptENTRY(lines 8 675) the Hoare annotation is: true [2018-11-23 08:05:29,873 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 510) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 316) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L444 ceAbstractionStarter]: At program point L209(lines 208 590) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)) [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 74 82) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L451 ceAbstractionStarter]: At program point L672(lines 65 674) the Hoare annotation is: true [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 545) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 600) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 611) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 622) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L448 ceAbstractionStarter]: For program point L311-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,874 INFO L444 ceAbstractionStarter]: At program point L179(lines 175 601) the Hoare annotation is: (let ((.cse2 (<= 8576 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= 8673 ssl3_accept_~s__state~0))) (.cse1 (not (= 8672 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse2) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse3 .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and (<= 8512 ssl3_accept_~s__state~0) .cse3 .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,874 INFO L444 ceAbstractionStarter]: At program point L146(lines 142 612) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8497) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,874 INFO L444 ceAbstractionStarter]: At program point L213(lines 106 624) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)) [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L511(lines 511 515) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 445 457) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 599) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 610) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 621) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L444 ceAbstractionStarter]: At program point L413(lines 404 424) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L347-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 92) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 65 674) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 453) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 598) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 609) no Hoare annotation was computed. [2018-11-23 08:05:29,875 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 620) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L444 ceAbstractionStarter]: At program point L185(lines 181 599) the Hoare annotation is: (let ((.cse3 (<= 8576 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (not (= 8673 ssl3_accept_~s__state~0))) (.cse2 (not (= 8672 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 1) .cse3) (= |ssl3_accept_#in~initial_state| 8497) (and (<= 8512 ssl3_accept_~s__state~0) .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,876 INFO L444 ceAbstractionStarter]: At program point L152(lines 148 610) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point $Ultimate##90(lines 210 589) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point $Ultimate##91(lines 210 589) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 597) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 608) no Hoare annotation was computed. [2018-11-23 08:05:29,876 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 619) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L444 ceAbstractionStarter]: At program point L551(lines 65 674) the Hoare annotation is: (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)) [2018-11-23 08:05:29,877 INFO L444 ceAbstractionStarter]: At program point L122(lines 118 620) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0))) (.cse3 (<= ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8466 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (not (= 8672 ssl3_accept_~s__state~0)) .cse2) (and (and (<= ssl3_accept_~blastFlag~0 1) .cse3 .cse1 .cse2) .cse4) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse4))) [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptEXIT(lines 8 675) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L255(lines 255 268) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 386) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 261) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L322-2(lines 322 326) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 596) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 607) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 618) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 526) no Hoare annotation was computed. [2018-11-23 08:05:29,877 INFO L444 ceAbstractionStarter]: At program point L191(lines 187 597) the Hoare annotation is: (let ((.cse4 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (not (= 8673 ssl3_accept_~s__state~0))) (.cse1 (not (= 8672 ssl3_accept_~s__state~0))) (.cse3 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 3) .cse2 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3) (= |ssl3_accept_#in~initial_state| 8497) (and .cse4 .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (and .cse4 .cse0 .cse1 .cse2 .cse3) (= |ssl3_accept_#in~initial_state| 8496) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse3))) [2018-11-23 08:05:29,877 INFO L444 ceAbstractionStarter]: At program point L158(lines 154 608) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,878 INFO L444 ceAbstractionStarter]: At program point L125(lines 124 618) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0))) (.cse3 (<= ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8466 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (not (= 8672 ssl3_accept_~s__state~0)) .cse2) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse4) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 1) .cse3 .cse4) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,878 INFO L444 ceAbstractionStarter]: At program point L588(lines 100 656) the Hoare annotation is: (let ((.cse8 (= ssl3_accept_~s__hit~0 0))) (let ((.cse2 (not .cse8)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (not (= 8673 ssl3_accept_~s__state~0))) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8656 ssl3_accept_~s__state~0)) (.cse6 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (= |ssl3_accept_#in~initial_state| 8497) (and .cse0 .cse2 .cse4 .cse5) (and .cse6 (= ssl3_accept_~s__state~0 8560)) (= |ssl3_accept_#in~initial_state| 8496) (= |ssl3_accept_#in~initial_state| 8673) (and (= ssl3_accept_~s__state~0 8528) .cse6) (and .cse6 .cse1 .cse7) (= |ssl3_accept_#in~initial_state| 8672) (and .cse6 .cse2) (and .cse0 .cse2 .cse4 (<= 8640 ssl3_accept_~s__state~0)) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse8 .cse0 .cse5) (<= ssl3_accept_~blastFlag~0 1) (and (= ssl3_accept_~s__state~0 8544) .cse6) (and .cse1 .cse7 .cse0 .cse3) (and .cse6 (= ssl3_accept_~s__state~0 8512))))) [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptFINAL(lines 8 675) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 295) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L291-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 385) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 358 385) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 595) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 606) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 617) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 382) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L451 ceAbstractionStarter]: At program point L657(lines 99 658) the Hoare annotation is: true [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 425) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 594) no Hoare annotation was computed. [2018-11-23 08:05:29,878 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 605) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 616) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 654) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 401) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 381) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 247) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L444 ceAbstractionStarter]: At program point L197(lines 193 595) the Hoare annotation is: (let ((.cse0 (not (= 8673 ssl3_accept_~s__state~0))) (.cse1 (not (= 8672 ssl3_accept_~s__state~0))) (.cse2 (<= ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8656 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse3) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse3) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496) (and .cse0 .cse1 .cse2 (not (= ssl3_accept_~s__hit~0 0)) .cse3))) [2018-11-23 08:05:29,879 INFO L444 ceAbstractionStarter]: At program point L164(lines 160 606) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) (not (= 8672 ssl3_accept_~s__state~0))) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496) (and .cse1 (<= ssl3_accept_~s__state~0 8576) .cse0))) [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L230-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 651) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 499) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L561-2(lines 561 565) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L528-2(lines 210 587) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 367) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L363-2(lines 362 379) no Hoare annotation was computed. [2018-11-23 08:05:29,879 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 637) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L661-2(lines 661 665) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L628-2(lines 627 649) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L331-1(lines 331 340) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 237) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 593) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 604) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 615) no Hoare annotation was computed. [2018-11-23 08:05:29,880 INFO L444 ceAbstractionStarter]: At program point L100-2(lines 100 656) the Hoare annotation is: (let ((.cse8 (= ssl3_accept_~s__hit~0 0))) (let ((.cse2 (not .cse8)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (not (= 8673 ssl3_accept_~s__state~0))) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8656 ssl3_accept_~s__state~0)) (.cse6 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (= |ssl3_accept_#in~initial_state| 8497) (and .cse0 .cse2 .cse4 .cse5) (and .cse6 (= ssl3_accept_~s__state~0 8560)) (= |ssl3_accept_#in~initial_state| 8496) (= |ssl3_accept_#in~initial_state| 8673) (and (= ssl3_accept_~s__state~0 8528) .cse6) (and .cse6 .cse1 .cse7) (= |ssl3_accept_#in~initial_state| 8672) (and .cse6 .cse2) (and .cse0 .cse2 .cse4 (<= 8640 ssl3_accept_~s__state~0)) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse8 .cse0 .cse5) (<= ssl3_accept_~blastFlag~0 1) (and (= ssl3_accept_~s__state~0 8544) .cse6) (and .cse1 .cse7 .cse0 .cse3) (and .cse6 (= ssl3_accept_~s__state~0 8512))))) [2018-11-23 08:05:29,880 INFO L444 ceAbstractionStarter]: At program point L167(lines 166 604) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0))) (let ((.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse4 (not .cse0)) (.cse2 (<= ssl3_accept_~s__state~0 8448))) (or (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse1 .cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496)))) [2018-11-23 08:05:29,880 INFO L444 ceAbstractionStarter]: At program point L134(lines 127 617) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0)))) (or (= |ssl3_accept_#in~initial_state| 8497) (= |ssl3_accept_#in~initial_state| 8673) (and .cse0 (not (= 8673 ssl3_accept_~s__state~0)) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (not (= 8672 ssl3_accept_~s__state~0)) .cse2) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and (<= ssl3_accept_~blastFlag~0 1) .cse3 .cse1 .cse2) (= |ssl3_accept_#in~initial_state| 8672) (= |ssl3_accept_#in~initial_state| 8496))) [2018-11-23 08:05:29,880 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-23 08:05:29,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:05:29 BoogieIcfgContainer [2018-11-23 08:05:29,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:05:29,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:05:29,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:05:29,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:05:29,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:13" (3/4) ... [2018-11-23 08:05:29,910 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:05:29,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:05:29,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:05:29,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_accept [2018-11-23 08:05:29,924 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 08:05:29,925 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:05:29,925 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:05:29,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((blastFlag <= 3 && !(8673 == s__state)) && !(s__hit == 0)) && 8656 <= s__state) || \old(initial_state) == 8497) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || (blastFlag <= 2 && s__state == 8560)) || \old(initial_state) == 8496) || \old(initial_state) == 8673) || (s__state == 8528 && blastFlag <= 2)) || ((blastFlag <= 2 && !(8673 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8672) || (blastFlag <= 2 && !(s__hit == 0))) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448)) || blastFlag <= 1) || (s__state == 8544 && blastFlag <= 2)) || (((!(8673 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state)) || (blastFlag <= 2 && s__state == 8512) [2018-11-23 08:05:29,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) || ((((blastFlag <= 1 && s__state <= 8576) && !(8496 == s__state)) && !(8497 == s__state)) && 8466 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || (((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8466 <= s__state) [2018-11-23 08:05:29,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) || (((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8466 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || ((((!(8496 == s__state) && !(8497 == s__state)) && blastFlag <= 1) && s__state <= 8576) && 8466 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((blastFlag <= 3 && !(8673 == s__state)) && !(s__hit == 0)) && 8656 <= s__state) || \old(initial_state) == 8497) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || (blastFlag <= 2 && s__state == 8560)) || \old(initial_state) == 8496) || \old(initial_state) == 8673) || (s__state == 8528 && blastFlag <= 2)) || ((blastFlag <= 2 && !(8673 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8672) || (blastFlag <= 2 && !(s__hit == 0))) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448)) || blastFlag <= 1) || (s__state == 8544 && blastFlag <= 2)) || (((!(8673 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state)) || (blastFlag <= 2 && s__state == 8512) [2018-11-23 08:05:29,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || (((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state))) || ((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (((blastFlag <= 1 && s__state <= 8576) && !(8496 == s__state)) && !(8497 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(initial_state) == 8497 || (((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || (((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8496) || ((blastFlag <= 1 && s__state <= 8576) && 8466 <= s__state) [2018-11-23 08:05:29,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state)) || \old(initial_state) == 8497) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state) [2018-11-23 08:05:29,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 [2018-11-23 08:05:29,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448) || ((blastFlag <= 2 && !(s__hit == 0)) && s__state <= 8448)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448)) || (blastFlag <= 1 && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state)) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || (8576 <= s__state && (blastFlag <= 1 && !(8673 == s__state)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8576 <= s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state)) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8576 <= s__state)) || \old(initial_state) == 8497) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state) || \old(initial_state) == 8497) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8640 <= s__state)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && !(s__hit == 0)) && 8640 <= s__state)) || \old(initial_state) == 8496) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8640 <= s__state) [2018-11-23 08:05:29,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(8673 == s__state) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8656 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && 8656 <= s__state) [2018-11-23 08:05:29,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((blastFlag <= 3 && !(s__hit == 0)) && 8656 <= s__state) || (blastFlag <= 1 && 8656 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8656 <= s__state) [2018-11-23 08:05:29,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:29,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(initial_state) == 8497 || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 [2018-11-23 08:05:30,005 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fc0b650-ea1c-4a68-93de-345b70fd9928/bin-2019/utaipan/witness.graphml [2018-11-23 08:05:30,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:05:30,006 INFO L168 Benchmark]: Toolchain (without parser) took 17418.12 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 959.1 MB in the beginning and 948.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,006 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:05:30,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 940.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -204.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,007 INFO L168 Benchmark]: Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,007 INFO L168 Benchmark]: RCFGBuilder took 480.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,007 INFO L168 Benchmark]: TraceAbstraction took 16499.49 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 948.5 MB in the end (delta: 137.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 08:05:30,008 INFO L168 Benchmark]: Witness Printer took 98.38 ms. Allocated memory is still 2.5 GB. Free memory was 948.5 MB in the beginning and 948.5 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 08:05:30,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 940.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -204.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 480.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16499.49 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 948.5 MB in the end (delta: 137.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 98.38 ms. Allocated memory is still 2.5 GB. Free memory was 948.5 MB in the beginning and 948.5 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((blastFlag <= 3 && !(8673 == s__state)) && !(s__hit == 0)) && 8656 <= s__state) || \old(initial_state) == 8497) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || (blastFlag <= 2 && s__state == 8560)) || \old(initial_state) == 8496) || \old(initial_state) == 8673) || (s__state == 8528 && blastFlag <= 2)) || ((blastFlag <= 2 && !(8673 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8672) || (blastFlag <= 2 && !(s__hit == 0))) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448)) || blastFlag <= 1) || (s__state == 8544 && blastFlag <= 2)) || (((!(8673 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state)) || (blastFlag <= 2 && s__state == 8512) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((\old(initial_state) == 8497 || (((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || (((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8496) || ((blastFlag <= 1 && s__state <= 8576) && 8466 <= s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((blastFlag <= 3 && !(8673 == s__state)) && !(s__hit == 0)) && 8656 <= s__state) || \old(initial_state) == 8497) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || (blastFlag <= 2 && s__state == 8560)) || \old(initial_state) == 8496) || \old(initial_state) == 8673) || (s__state == 8528 && blastFlag <= 2)) || ((blastFlag <= 2 && !(8673 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || \old(initial_state) == 8672) || (blastFlag <= 2 && !(s__hit == 0))) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448)) || blastFlag <= 1) || (s__state == 8544 && blastFlag <= 2)) || (((!(8673 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state)) || (blastFlag <= 2 && s__state == 8512) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state)) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || (8576 <= s__state && (blastFlag <= 1 && !(8673 == s__state)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) || ((((blastFlag <= 1 && s__state <= 8576) && !(8496 == s__state)) && !(8497 == s__state)) && 8466 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || (((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8466 <= s__state) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((((((!(8673 == s__state) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 3) && 8656 <= s__state) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8656 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && 8656 <= s__state) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state)) || \old(initial_state) == 8497) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8576 <= s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state)) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) && 8656 <= s__state) || (blastFlag <= 1 && 8656 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8656 <= s__state) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8576 <= s__state)) || \old(initial_state) == 8497) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || (((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state))) || ((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (((blastFlag <= 1 && s__state <= 8576) && !(8496 == s__state)) && !(8497 == s__state))) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && s__state <= 8448) || ((blastFlag <= 2 && !(s__hit == 0)) && s__state <= 8448)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448)) || (blastFlag <= 1 && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((\old(initial_state) == 8497 || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((((blastFlag <= 2 && !(8673 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) || (((((blastFlag <= 2 && !(8496 == s__state)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8466 <= s__state)) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || ((((!(8496 == s__state) && !(8497 == s__state)) && blastFlag <= 1) && s__state <= 8576) && 8466 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((\old(initial_state) == 8497 || \old(initial_state) == 8673) || ((((8512 <= s__state && blastFlag <= 2) && !(8673 == s__state)) && !(s__hit == 0)) && !(8672 == s__state))) || \old(initial_state) == 8672) || ((blastFlag <= 2 && s__state <= 8576) && 8512 <= s__state)) || \old(initial_state) == 8496 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((((((((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state) || \old(initial_state) == 8497) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8640 <= s__state)) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || ((((blastFlag <= 2 && !(8673 == s__state)) && !(8672 == s__state)) && !(s__hit == 0)) && 8640 <= s__state)) || \old(initial_state) == 8496) || (((!(8673 == s__state) && !(8672 == s__state)) && blastFlag <= 1) && 8640 <= s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((!(8672 == s__state) || \old(initial_state) == 8497) || \old(initial_state) == 8673) || \old(initial_state) == 8672) || \old(initial_state) == 8496 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. SAFE Result, 16.4s OverallTime, 23 OverallIterations, 19 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 5023 SDtfs, 3347 SDslu, 4215 SDs, 0 SdLazy, 3566 SolverSat, 544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4622 GetRequests, 4557 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6247occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 6 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 4572 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 998 NumberOfFragments, 1384 HoareAnnotationTreeSize, 33 FomulaSimplifications, 127290 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 33 FomulaSimplificationsInter, 32255 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 7900 NumberOfCodeBlocks, 7900 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 10127 ConstructedInterpolants, 35 QuantifiedInterpolants, 6781696 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3950 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 35 InterpolantComputations, 21 PerfectInterpolantSequences, 40305/40911 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...