./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/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 8b245293effe524631a7c3459bf277cf6c81eafa ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:10:02,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:10:02,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:10:02,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:10:02,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:10:02,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:10:02,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:10:02,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:10:02,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:10:02,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:10:02,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:10:02,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:10:02,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:10:02,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:10:02,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:10:02,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:10:02,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:10:02,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:10:02,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:10:02,823 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:10:02,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:10:02,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:10:02,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:10:02,827 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:10:02,827 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:10:02,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:10:02,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:10:02,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:10:02,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:10:02,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:10:02,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:10:02,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:10:02,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:10:02,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:10:02,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:10:02,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:10:02,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:10:02,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:10:02,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:10:02,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:10:02,845 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:10:02,845 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:10:02,845 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:10:02,846 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:10:02,846 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:10:02,846 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:10:02,846 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:10:02,847 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:10:02,847 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:10:02,847 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:10:02,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:10:02,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:10:02,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:10:02,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:02,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:10:02,850 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:10:02,850 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_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/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 -> 8b245293effe524631a7c3459bf277cf6c81eafa [2018-11-18 11:10:02,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:10:02,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:10:02,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:10:02,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:10:02,885 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:10:02,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-11-18 11:10:02,923 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/data/2382a998b/72698c94ef7e414097ec1e99f8a23288/FLAG0e246b0c4 [2018-11-18 11:10:03,266 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:10:03,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-11-18 11:10:03,275 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/data/2382a998b/72698c94ef7e414097ec1e99f8a23288/FLAG0e246b0c4 [2018-11-18 11:10:03,682 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/data/2382a998b/72698c94ef7e414097ec1e99f8a23288 [2018-11-18 11:10:03,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:10:03,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:10:03,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:03,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:10:03,688 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:10:03,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:03,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3655e9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03, skipping insertion in model container [2018-11-18 11:10:03,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:03,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:10:03,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:10:03,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:03,886 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:10:03,931 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:03,941 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:10:03,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03 WrapperNode [2018-11-18 11:10:03,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:03,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:10:03,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:10:03,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:10:03,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:03,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:10:04,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:10:04,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:10:04,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:10:04,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... [2018-11-18 11:10:04,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:10:04,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:10:04,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:10:04,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:10:04,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:10:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:10:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:10:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:10:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:10:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:10:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-18 11:10:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-18 11:10:04,171 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 11:10:04,171 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 11:10:04,544 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:10:04,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:04 BoogieIcfgContainer [2018-11-18 11:10:04,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:10:04,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:10:04,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:10:04,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:10:04,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:10:03" (1/3) ... [2018-11-18 11:10:04,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e7f004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:04, skipping insertion in model container [2018-11-18 11:10:04,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:03" (2/3) ... [2018-11-18 11:10:04,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e7f004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:04, skipping insertion in model container [2018-11-18 11:10:04,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:04" (3/3) ... [2018-11-18 11:10:04,550 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-11-18 11:10:04,558 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:10:04,565 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:10:04,578 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:10:04,605 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:10:04,605 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:10:04,605 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:10:04,605 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:10:04,605 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:10:04,606 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:10:04,606 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:10:04,606 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:10:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-11-18 11:10:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 11:10:04,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:04,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:04,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:04,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:04,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1063453888, now seen corresponding path program 1 times [2018-11-18 11:10:04,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:04,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:04,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:04,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:04,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:04,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:04,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:04,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:04,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:04,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:04,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:04,837 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 5 states. [2018-11-18 11:10:05,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:05,110 INFO L93 Difference]: Finished difference Result 336 states and 569 transitions. [2018-11-18 11:10:05,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:05,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-18 11:10:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:05,120 INFO L225 Difference]: With dead ends: 336 [2018-11-18 11:10:05,120 INFO L226 Difference]: Without dead ends: 168 [2018-11-18 11:10:05,124 INFO L604 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 [2018-11-18 11:10:05,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-11-18 11:10:05,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2018-11-18 11:10:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-18 11:10:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 256 transitions. [2018-11-18 11:10:05,164 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 256 transitions. Word has length 29 [2018-11-18 11:10:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:05,164 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 256 transitions. [2018-11-18 11:10:05,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 256 transitions. [2018-11-18 11:10:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:10:05,166 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:05,166 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:05,166 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:05,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:05,166 INFO L82 PathProgramCache]: Analyzing trace with hash 23981740, now seen corresponding path program 1 times [2018-11-18 11:10:05,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:05,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:05,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:05,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:05,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:05,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:05,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:05,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:05,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:05,225 INFO L87 Difference]: Start difference. First operand 164 states and 256 transitions. Second operand 5 states. [2018-11-18 11:10:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:05,409 INFO L93 Difference]: Finished difference Result 341 states and 533 transitions. [2018-11-18 11:10:05,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:05,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-11-18 11:10:05,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:05,412 INFO L225 Difference]: With dead ends: 341 [2018-11-18 11:10:05,412 INFO L226 Difference]: Without dead ends: 190 [2018-11-18 11:10:05,413 INFO L604 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 [2018-11-18 11:10:05,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-11-18 11:10:05,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2018-11-18 11:10:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-11-18 11:10:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 290 transitions. [2018-11-18 11:10:05,426 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 290 transitions. Word has length 30 [2018-11-18 11:10:05,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:05,427 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 290 transitions. [2018-11-18 11:10:05,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 290 transitions. [2018-11-18 11:10:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:10:05,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:05,428 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:05,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:05,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:05,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1982439753, now seen corresponding path program 1 times [2018-11-18 11:10:05,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:05,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:05,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:05,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:05,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:05,491 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:05,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:05,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:05,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:05,493 INFO L87 Difference]: Start difference. First operand 188 states and 290 transitions. Second operand 5 states. [2018-11-18 11:10:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:05,645 INFO L93 Difference]: Finished difference Result 373 states and 578 transitions. [2018-11-18 11:10:05,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:05,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-11-18 11:10:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:05,647 INFO L225 Difference]: With dead ends: 373 [2018-11-18 11:10:05,647 INFO L226 Difference]: Without dead ends: 198 [2018-11-18 11:10:05,648 INFO L604 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 [2018-11-18 11:10:05,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-11-18 11:10:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2018-11-18 11:10:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-11-18 11:10:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 301 transitions. [2018-11-18 11:10:05,659 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 301 transitions. Word has length 30 [2018-11-18 11:10:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:05,660 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 301 transitions. [2018-11-18 11:10:05,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 301 transitions. [2018-11-18 11:10:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:10:05,661 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:05,661 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:05,661 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:05,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:05,661 INFO L82 PathProgramCache]: Analyzing trace with hash -198277896, now seen corresponding path program 1 times [2018-11-18 11:10:05,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:05,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:05,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:05,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:05,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:05,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:05,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:05,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:05,714 INFO L87 Difference]: Start difference. First operand 194 states and 301 transitions. Second operand 5 states. [2018-11-18 11:10:05,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:05,843 INFO L93 Difference]: Finished difference Result 378 states and 588 transitions. [2018-11-18 11:10:05,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:05,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-11-18 11:10:05,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:05,844 INFO L225 Difference]: With dead ends: 378 [2018-11-18 11:10:05,844 INFO L226 Difference]: Without dead ends: 197 [2018-11-18 11:10:05,845 INFO L604 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 [2018-11-18 11:10:05,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-18 11:10:05,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 195. [2018-11-18 11:10:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-18 11:10:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 302 transitions. [2018-11-18 11:10:05,853 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 302 transitions. Word has length 30 [2018-11-18 11:10:05,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:05,853 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 302 transitions. [2018-11-18 11:10:05,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 302 transitions. [2018-11-18 11:10:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:10:05,854 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:05,854 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:05,854 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:05,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:05,854 INFO L82 PathProgramCache]: Analyzing trace with hash 261165501, now seen corresponding path program 1 times [2018-11-18 11:10:05,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:05,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:05,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:05,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:05,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:05,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:05,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:05,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:05,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:05,897 INFO L87 Difference]: Start difference. First operand 195 states and 302 transitions. Second operand 5 states. [2018-11-18 11:10:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,016 INFO L93 Difference]: Finished difference Result 389 states and 600 transitions. [2018-11-18 11:10:06,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:06,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-18 11:10:06,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,017 INFO L225 Difference]: With dead ends: 389 [2018-11-18 11:10:06,018 INFO L226 Difference]: Without dead ends: 207 [2018-11-18 11:10:06,018 INFO L604 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 [2018-11-18 11:10:06,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-11-18 11:10:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 195. [2018-11-18 11:10:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-18 11:10:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 300 transitions. [2018-11-18 11:10:06,026 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 300 transitions. Word has length 31 [2018-11-18 11:10:06,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,027 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 300 transitions. [2018-11-18 11:10:06,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 300 transitions. [2018-11-18 11:10:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:10:06,027 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,028 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,028 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1985615028, now seen corresponding path program 1 times [2018-11-18 11:10:06,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:06,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:06,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:06,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:06,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:06,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:06,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:06,064 INFO L87 Difference]: Start difference. First operand 195 states and 300 transitions. Second operand 5 states. [2018-11-18 11:10:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,181 INFO L93 Difference]: Finished difference Result 389 states and 596 transitions. [2018-11-18 11:10:06,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:06,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-18 11:10:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,182 INFO L225 Difference]: With dead ends: 389 [2018-11-18 11:10:06,182 INFO L226 Difference]: Without dead ends: 207 [2018-11-18 11:10:06,183 INFO L604 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 [2018-11-18 11:10:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-11-18 11:10:06,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 195. [2018-11-18 11:10:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-18 11:10:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 298 transitions. [2018-11-18 11:10:06,189 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 298 transitions. Word has length 32 [2018-11-18 11:10:06,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,189 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 298 transitions. [2018-11-18 11:10:06,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 298 transitions. [2018-11-18 11:10:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 11:10:06,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,190 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,190 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1351271928, now seen corresponding path program 1 times [2018-11-18 11:10:06,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:06,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:06,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:06,230 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:06,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:06,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:06,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:06,230 INFO L87 Difference]: Start difference. First operand 195 states and 298 transitions. Second operand 5 states. [2018-11-18 11:10:06,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,384 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2018-11-18 11:10:06,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:06,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-11-18 11:10:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,386 INFO L225 Difference]: With dead ends: 389 [2018-11-18 11:10:06,386 INFO L226 Difference]: Without dead ends: 207 [2018-11-18 11:10:06,387 INFO L604 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 [2018-11-18 11:10:06,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-11-18 11:10:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 195. [2018-11-18 11:10:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-18 11:10:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 296 transitions. [2018-11-18 11:10:06,396 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 296 transitions. Word has length 33 [2018-11-18 11:10:06,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,396 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 296 transitions. [2018-11-18 11:10:06,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 296 transitions. [2018-11-18 11:10:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 11:10:06,397 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,397 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,397 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1706813353, now seen corresponding path program 1 times [2018-11-18 11:10:06,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:06,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:06,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:06,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:06,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:06,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:06,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:06,424 INFO L87 Difference]: Start difference. First operand 195 states and 296 transitions. Second operand 3 states. [2018-11-18 11:10:06,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,452 INFO L93 Difference]: Finished difference Result 551 states and 837 transitions. [2018-11-18 11:10:06,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:06,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-18 11:10:06,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,454 INFO L225 Difference]: With dead ends: 551 [2018-11-18 11:10:06,455 INFO L226 Difference]: Without dead ends: 369 [2018-11-18 11:10:06,455 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:06,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-18 11:10:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2018-11-18 11:10:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-18 11:10:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 554 transitions. [2018-11-18 11:10:06,470 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 554 transitions. Word has length 33 [2018-11-18 11:10:06,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,470 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 554 transitions. [2018-11-18 11:10:06,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 554 transitions. [2018-11-18 11:10:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 11:10:06,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,471 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,472 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1361770027, now seen corresponding path program 1 times [2018-11-18 11:10:06,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:06,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:06,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:10:06,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:06,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:10:06,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:10:06,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:10:06,511 INFO L87 Difference]: Start difference. First operand 367 states and 554 transitions. Second operand 6 states. [2018-11-18 11:10:06,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,738 INFO L93 Difference]: Finished difference Result 1129 states and 1709 transitions. [2018-11-18 11:10:06,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:10:06,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-18 11:10:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,740 INFO L225 Difference]: With dead ends: 1129 [2018-11-18 11:10:06,740 INFO L226 Difference]: Without dead ends: 776 [2018-11-18 11:10:06,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:10:06,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-11-18 11:10:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 614. [2018-11-18 11:10:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-11-18 11:10:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 943 transitions. [2018-11-18 11:10:06,758 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 943 transitions. Word has length 34 [2018-11-18 11:10:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,758 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 943 transitions. [2018-11-18 11:10:06,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:10:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 943 transitions. [2018-11-18 11:10:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:10:06,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,759 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,760 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,760 INFO L82 PathProgramCache]: Analyzing trace with hash -612854746, now seen corresponding path program 1 times [2018-11-18 11:10:06,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:06,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:06,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:06,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:06,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:06,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:06,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:06,805 INFO L87 Difference]: Start difference. First operand 614 states and 943 transitions. Second operand 5 states. [2018-11-18 11:10:06,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:06,956 INFO L93 Difference]: Finished difference Result 1358 states and 2119 transitions. [2018-11-18 11:10:06,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:06,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-11-18 11:10:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:06,959 INFO L225 Difference]: With dead ends: 1358 [2018-11-18 11:10:06,959 INFO L226 Difference]: Without dead ends: 758 [2018-11-18 11:10:06,960 INFO L604 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 [2018-11-18 11:10:06,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2018-11-18 11:10:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 738. [2018-11-18 11:10:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2018-11-18 11:10:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1160 transitions. [2018-11-18 11:10:06,979 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1160 transitions. Word has length 48 [2018-11-18 11:10:06,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:06,979 INFO L480 AbstractCegarLoop]: Abstraction has 738 states and 1160 transitions. [2018-11-18 11:10:06,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1160 transitions. [2018-11-18 11:10:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:10:06,980 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:06,980 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:06,980 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:06,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash 554006858, now seen corresponding path program 1 times [2018-11-18 11:10:06,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:06,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:06,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:06,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:07,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:10:07,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:10:07,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:10:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:10:07,028 INFO L87 Difference]: Start difference. First operand 738 states and 1160 transitions. Second operand 5 states. [2018-11-18 11:10:07,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,165 INFO L93 Difference]: Finished difference Result 1527 states and 2421 transitions. [2018-11-18 11:10:07,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:10:07,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-11-18 11:10:07,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,168 INFO L225 Difference]: With dead ends: 1527 [2018-11-18 11:10:07,168 INFO L226 Difference]: Without dead ends: 803 [2018-11-18 11:10:07,169 INFO L604 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 [2018-11-18 11:10:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-18 11:10:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 783. [2018-11-18 11:10:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-11-18 11:10:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1245 transitions. [2018-11-18 11:10:07,187 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1245 transitions. Word has length 49 [2018-11-18 11:10:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,188 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1245 transitions. [2018-11-18 11:10:07,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:10:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1245 transitions. [2018-11-18 11:10:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:10:07,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,189 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:07,189 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1754349288, now seen corresponding path program 1 times [2018-11-18 11:10:07,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:07,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,214 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,214 INFO L87 Difference]: Start difference. First operand 783 states and 1245 transitions. Second operand 3 states. [2018-11-18 11:10:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,234 INFO L93 Difference]: Finished difference Result 1552 states and 2472 transitions. [2018-11-18 11:10:07,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-18 11:10:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,237 INFO L225 Difference]: With dead ends: 1552 [2018-11-18 11:10:07,237 INFO L226 Difference]: Without dead ends: 783 [2018-11-18 11:10:07,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-18 11:10:07,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2018-11-18 11:10:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-11-18 11:10:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1228 transitions. [2018-11-18 11:10:07,256 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1228 transitions. Word has length 51 [2018-11-18 11:10:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,257 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1228 transitions. [2018-11-18 11:10:07,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1228 transitions. [2018-11-18 11:10:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:10:07,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,258 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:07,258 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,258 INFO L82 PathProgramCache]: Analyzing trace with hash 39256322, now seen corresponding path program 1 times [2018-11-18 11:10:07,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:07,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,279 INFO L87 Difference]: Start difference. First operand 783 states and 1228 transitions. Second operand 3 states. [2018-11-18 11:10:07,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,318 INFO L93 Difference]: Finished difference Result 1566 states and 2455 transitions. [2018-11-18 11:10:07,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 11:10:07,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,321 INFO L225 Difference]: With dead ends: 1566 [2018-11-18 11:10:07,321 INFO L226 Difference]: Without dead ends: 797 [2018-11-18 11:10:07,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-18 11:10:07,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 795. [2018-11-18 11:10:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-18 11:10:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1226 transitions. [2018-11-18 11:10:07,342 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1226 transitions. Word has length 52 [2018-11-18 11:10:07,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,342 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 1226 transitions. [2018-11-18 11:10:07,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1226 transitions. [2018-11-18 11:10:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 11:10:07,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,343 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:07,343 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,344 INFO L82 PathProgramCache]: Analyzing trace with hash 415588981, now seen corresponding path program 1 times [2018-11-18 11:10:07,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:07,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,363 INFO L87 Difference]: Start difference. First operand 795 states and 1226 transitions. Second operand 3 states. [2018-11-18 11:10:07,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,406 INFO L93 Difference]: Finished difference Result 2340 states and 3614 transitions. [2018-11-18 11:10:07,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 11:10:07,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,410 INFO L225 Difference]: With dead ends: 2340 [2018-11-18 11:10:07,410 INFO L226 Difference]: Without dead ends: 1559 [2018-11-18 11:10:07,412 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2018-11-18 11:10:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1241. [2018-11-18 11:10:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-11-18 11:10:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1908 transitions. [2018-11-18 11:10:07,447 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1908 transitions. Word has length 57 [2018-11-18 11:10:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,447 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1908 transitions. [2018-11-18 11:10:07,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1908 transitions. [2018-11-18 11:10:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 11:10:07,449 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,449 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:07,449 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,449 INFO L82 PathProgramCache]: Analyzing trace with hash 62500599, now seen corresponding path program 1 times [2018-11-18 11:10:07,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:07,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,470 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,470 INFO L87 Difference]: Start difference. First operand 1241 states and 1908 transitions. Second operand 3 states. [2018-11-18 11:10:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,625 INFO L93 Difference]: Finished difference Result 2683 states and 4117 transitions. [2018-11-18 11:10:07,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 11:10:07,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,629 INFO L225 Difference]: With dead ends: 2683 [2018-11-18 11:10:07,629 INFO L226 Difference]: Without dead ends: 1457 [2018-11-18 11:10:07,631 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2018-11-18 11:10:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1351. [2018-11-18 11:10:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2018-11-18 11:10:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2026 transitions. [2018-11-18 11:10:07,686 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2026 transitions. Word has length 57 [2018-11-18 11:10:07,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,686 INFO L480 AbstractCegarLoop]: Abstraction has 1351 states and 2026 transitions. [2018-11-18 11:10:07,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2026 transitions. [2018-11-18 11:10:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:10:07,688 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,688 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:07,688 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,689 INFO L82 PathProgramCache]: Analyzing trace with hash 402112199, now seen corresponding path program 1 times [2018-11-18 11:10:07,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:10:07,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,715 INFO L87 Difference]: Start difference. First operand 1351 states and 2026 transitions. Second operand 3 states. [2018-11-18 11:10:07,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,852 INFO L93 Difference]: Finished difference Result 2858 states and 4284 transitions. [2018-11-18 11:10:07,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 11:10:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,856 INFO L225 Difference]: With dead ends: 2858 [2018-11-18 11:10:07,856 INFO L226 Difference]: Without dead ends: 1522 [2018-11-18 11:10:07,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2018-11-18 11:10:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1480. [2018-11-18 11:10:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2018-11-18 11:10:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2166 transitions. [2018-11-18 11:10:07,895 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2166 transitions. Word has length 62 [2018-11-18 11:10:07,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:07,895 INFO L480 AbstractCegarLoop]: Abstraction has 1480 states and 2166 transitions. [2018-11-18 11:10:07,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2166 transitions. [2018-11-18 11:10:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:10:07,897 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:07,897 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:07,897 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:07,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:07,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1082170569, now seen corresponding path program 1 times [2018-11-18 11:10:07,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:07,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:07,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:07,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:10:07,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:07,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:07,927 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:07,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:07,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:07,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,928 INFO L87 Difference]: Start difference. First operand 1480 states and 2166 transitions. Second operand 3 states. [2018-11-18 11:10:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:07,974 INFO L93 Difference]: Finished difference Result 2792 states and 4062 transitions. [2018-11-18 11:10:07,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:07,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 11:10:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:07,980 INFO L225 Difference]: With dead ends: 2792 [2018-11-18 11:10:07,980 INFO L226 Difference]: Without dead ends: 1865 [2018-11-18 11:10:07,982 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2018-11-18 11:10:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1342. [2018-11-18 11:10:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-11-18 11:10:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1948 transitions. [2018-11-18 11:10:08,021 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1948 transitions. Word has length 62 [2018-11-18 11:10:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:08,021 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 1948 transitions. [2018-11-18 11:10:08,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1948 transitions. [2018-11-18 11:10:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:10:08,024 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:08,024 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:08,024 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:08,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:08,024 INFO L82 PathProgramCache]: Analyzing trace with hash -508223518, now seen corresponding path program 1 times [2018-11-18 11:10:08,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:08,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:08,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:08,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:08,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:08,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:08,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:10:08,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:08,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:08,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:08,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:08,065 INFO L87 Difference]: Start difference. First operand 1342 states and 1948 transitions. Second operand 3 states. [2018-11-18 11:10:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:08,129 INFO L93 Difference]: Finished difference Result 3874 states and 5585 transitions. [2018-11-18 11:10:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:08,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 11:10:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:08,135 INFO L225 Difference]: With dead ends: 3874 [2018-11-18 11:10:08,135 INFO L226 Difference]: Without dead ends: 2547 [2018-11-18 11:10:08,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:08,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2018-11-18 11:10:08,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 2545. [2018-11-18 11:10:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2545 states. [2018-11-18 11:10:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3622 transitions. [2018-11-18 11:10:08,209 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3622 transitions. Word has length 63 [2018-11-18 11:10:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:08,209 INFO L480 AbstractCegarLoop]: Abstraction has 2545 states and 3622 transitions. [2018-11-18 11:10:08,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3622 transitions. [2018-11-18 11:10:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:10:08,212 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:08,212 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:10:08,213 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:08,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:08,213 INFO L82 PathProgramCache]: Analyzing trace with hash -62769458, now seen corresponding path program 1 times [2018-11-18 11:10:08,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:08,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:08,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:08,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:08,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:10:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:10:08,251 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:10:08,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:10:08 BoogieIcfgContainer [2018-11-18 11:10:08,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:10:08,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:10:08,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:10:08,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:10:08,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:04" (3/4) ... [2018-11-18 11:10:08,320 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:10:08,417 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_23a0ffe0-5f42-4d9e-a3b2-c6a77a72df16/bin-2019/utaipan/witness.graphml [2018-11-18 11:10:08,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:10:08,418 INFO L168 Benchmark]: Toolchain (without parser) took 4733.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 269.0 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -290.5 MB). Peak memory consumption was 279.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,420 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:10:08,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,421 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:10:08,421 INFO L168 Benchmark]: RCFGBuilder took 510.42 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,421 INFO L168 Benchmark]: TraceAbstraction took 3772.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 209.8 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,422 INFO L168 Benchmark]: Witness Printer took 99.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 870.6 MB in the beginning and 1.2 GB in the end (delta: -379.2 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-11-18 11:10:08,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.4 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 59.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.42 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3772.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 209.8 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. * Witness Printer took 99.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 870.6 MB in the beginning and 1.2 GB in the end (delta: -379.2 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 641]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L646] int s ; [L647] int tmp ; [L651] s = 8464 VAL [s=8464] [L652] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L73] s__s3__tmp__reuse_message = 0 [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L89] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L91] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L95] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L102] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L105] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L108] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L111] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L114] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L117] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L120] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L123] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L126] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L272] s__shutdown = 0 [L273] ret = __VERIFIER_nondet_int() [L274] COND TRUE blastFlag == 0 [L275] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L277] COND FALSE !(ret <= 0) [L280] got_new_session = 1 [L281] s__state = 8496 [L282] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L608] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L615] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L621] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L622] COND TRUE s__state != state [L623] new_state = s__state [L624] s__state = state [L625] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L630] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L102] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L105] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L108] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L111] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L114] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L117] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L120] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L123] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L126] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L129] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L132] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L135] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L290] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L293] COND FALSE !(\read(s__hit)) [L296] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L298] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L608] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L641] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 162 locations, 1 error locations. UNSAFE Result, 3.7s OverallTime, 19 OverallIterations, 2 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3784 SDtfs, 6142 SDslu, 3210 SDs, 0 SdLazy, 1945 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2545occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 1245 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 847 NumberOfCodeBlocks, 847 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 98096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 125/125 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...