./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-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_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a72fcebcfa7a668c9bb314320ec142761ff8c6a6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:25:04,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:25:04,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:25:04,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:25:04,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:25:04,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:25:04,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:25:04,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:25:04,334 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:25:04,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:25:04,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:25:04,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:25:04,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:25:04,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:25:04,337 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:25:04,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:25:04,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:25:04,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:25:04,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:25:04,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:25:04,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:25:04,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:25:04,343 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:25:04,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:25:04,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:25:04,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:25:04,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:25:04,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:25:04,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:25:04,347 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:25:04,347 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:25:04,348 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:25:04,348 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:25:04,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:25:04,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:25:04,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:25:04,349 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 17:25:04,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:25:04,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:25:04,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:25:04,357 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:25:04,358 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:25:04,358 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:25:04,358 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 17:25:04,358 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:25:04,358 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:25:04,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:25:04,359 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:25:04,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:25:04,359 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:25:04,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:25:04,359 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:25:04,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:25:04,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:25:04,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:25:04,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:25:04,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:25:04,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:25:04,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:25:04,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:25:04,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:25:04,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:25:04,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer 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 -> Automizer 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 -> a72fcebcfa7a668c9bb314320ec142761ff8c6a6 [2018-11-18 17:25:04,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:25:04,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:25:04,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:25:04,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:25:04,400 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:25:04,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-18 17:25:04,446 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/data/9dee3e583/bb691ca524374f84a1a6ba3bbac510c3/FLAG89b8779ac [2018-11-18 17:25:04,856 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:25:04,857 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-18 17:25:04,864 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/data/9dee3e583/bb691ca524374f84a1a6ba3bbac510c3/FLAG89b8779ac [2018-11-18 17:25:04,877 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/data/9dee3e583/bb691ca524374f84a1a6ba3bbac510c3 [2018-11-18 17:25:04,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:25:04,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 17:25:04,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:25:04,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:25:04,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:25:04,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:25:04" (1/1) ... [2018-11-18 17:25:04,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263ee91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:04, skipping insertion in model container [2018-11-18 17:25:04,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:25:04" (1/1) ... [2018-11-18 17:25:04,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:25:04,922 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:25:05,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:25:05,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:25:05,105 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:25:05,114 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:25:05,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05 WrapperNode [2018-11-18 17:25:05,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:25:05,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:25:05,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:25:05,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:25:05,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... [2018-11-18 17:25:05,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:25:05,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:25:05,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:25:05,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:25:05,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/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 17:25:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:25:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:25:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-18 17:25:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:25:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 17:25:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 17:25:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:25:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:25:05,337 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 17:25:05,337 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 17:25:05,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:25:05,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:25:05 BoogieIcfgContainer [2018-11-18 17:25:05,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:25:05,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:25:05,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:25:05,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:25:05,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:25:04" (1/3) ... [2018-11-18 17:25:05,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79eb28ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:25:05, skipping insertion in model container [2018-11-18 17:25:05,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:25:05" (2/3) ... [2018-11-18 17:25:05,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79eb28ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:25:05, skipping insertion in model container [2018-11-18 17:25:05,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:25:05" (3/3) ... [2018-11-18 17:25:05,712 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-18 17:25:05,720 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:25:05,727 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:25:05,738 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:25:05,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:25:05,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:25:05,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:25:05,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:25:05,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:25:05,761 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:25:05,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:25:05,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:25:05,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:25:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-18 17:25:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 17:25:05,780 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:05,781 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 17:25:05,783 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:05,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:05,787 INFO L82 PathProgramCache]: Analyzing trace with hash 171568588, now seen corresponding path program 1 times [2018-11-18 17:25:05,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:05,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:05,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:05,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:05,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:05,936 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 17:25:05,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:05,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:05,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:05,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:05,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:05,951 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2018-11-18 17:25:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:06,012 INFO L93 Difference]: Finished difference Result 377 states and 634 transitions. [2018-11-18 17:25:06,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:06,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 17:25:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:06,023 INFO L225 Difference]: With dead ends: 377 [2018-11-18 17:25:06,023 INFO L226 Difference]: Without dead ends: 220 [2018-11-18 17:25:06,026 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 17:25:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-18 17:25:06,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-11-18 17:25:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-18 17:25:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 326 transitions. [2018-11-18 17:25:06,061 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 326 transitions. Word has length 30 [2018-11-18 17:25:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:06,062 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 326 transitions. [2018-11-18 17:25:06,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2018-11-18 17:25:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:25:06,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:06,064 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:06,064 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:06,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:06,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1775774517, now seen corresponding path program 1 times [2018-11-18 17:25:06,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:06,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:06,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:06,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:25:06,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:06,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:06,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:06,136 INFO L87 Difference]: Start difference. First operand 220 states and 326 transitions. Second operand 3 states. [2018-11-18 17:25:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:06,264 INFO L93 Difference]: Finished difference Result 472 states and 709 transitions. [2018-11-18 17:25:06,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:06,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-18 17:25:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:06,265 INFO L225 Difference]: With dead ends: 472 [2018-11-18 17:25:06,265 INFO L226 Difference]: Without dead ends: 264 [2018-11-18 17:25:06,266 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 17:25:06,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-18 17:25:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2018-11-18 17:25:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-18 17:25:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 372 transitions. [2018-11-18 17:25:06,279 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 372 transitions. Word has length 45 [2018-11-18 17:25:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:06,280 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 372 transitions. [2018-11-18 17:25:06,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 372 transitions. [2018-11-18 17:25:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:25:06,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:06,281 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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 17:25:06,282 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:06,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash 6273938, now seen corresponding path program 1 times [2018-11-18 17:25:06,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:06,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:25:06,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:06,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:06,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:06,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:06,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:06,344 INFO L87 Difference]: Start difference. First operand 256 states and 372 transitions. Second operand 3 states. [2018-11-18 17:25:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:06,494 INFO L93 Difference]: Finished difference Result 604 states and 908 transitions. [2018-11-18 17:25:06,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:06,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 17:25:06,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:06,496 INFO L225 Difference]: With dead ends: 604 [2018-11-18 17:25:06,496 INFO L226 Difference]: Without dead ends: 358 [2018-11-18 17:25:06,497 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 17:25:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-11-18 17:25:06,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 340. [2018-11-18 17:25:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 17:25:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2018-11-18 17:25:06,511 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 63 [2018-11-18 17:25:06,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:06,511 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2018-11-18 17:25:06,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2018-11-18 17:25:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:25:06,514 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:06,514 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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 17:25:06,514 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:06,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:06,514 INFO L82 PathProgramCache]: Analyzing trace with hash -127739568, now seen corresponding path program 1 times [2018-11-18 17:25:06,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:06,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:06,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:06,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:25:06,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:06,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:06,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:06,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:06,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:06,562 INFO L87 Difference]: Start difference. First operand 340 states and 474 transitions. Second operand 3 states. [2018-11-18 17:25:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:06,690 INFO L93 Difference]: Finished difference Result 716 states and 1013 transitions. [2018-11-18 17:25:06,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:06,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 17:25:06,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:06,692 INFO L225 Difference]: With dead ends: 716 [2018-11-18 17:25:06,692 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 17:25:06,693 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 17:25:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 17:25:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 380. [2018-11-18 17:25:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 17:25:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 524 transitions. [2018-11-18 17:25:06,706 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 524 transitions. Word has length 63 [2018-11-18 17:25:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:06,708 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 524 transitions. [2018-11-18 17:25:06,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 524 transitions. [2018-11-18 17:25:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 17:25:06,710 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:06,710 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:06,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:06,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:06,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1202766391, now seen corresponding path program 1 times [2018-11-18 17:25:06,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:06,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:06,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:06,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:25:06,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:06,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:06,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:06,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:06,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:06,770 INFO L87 Difference]: Start difference. First operand 380 states and 524 transitions. Second operand 3 states. [2018-11-18 17:25:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:06,936 INFO L93 Difference]: Finished difference Result 856 states and 1218 transitions. [2018-11-18 17:25:06,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:06,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-11-18 17:25:06,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:06,941 INFO L225 Difference]: With dead ends: 856 [2018-11-18 17:25:06,942 INFO L226 Difference]: Without dead ends: 486 [2018-11-18 17:25:06,942 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 17:25:06,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-11-18 17:25:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 460. [2018-11-18 17:25:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-11-18 17:25:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 660 transitions. [2018-11-18 17:25:06,954 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 660 transitions. Word has length 77 [2018-11-18 17:25:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:06,954 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 660 transitions. [2018-11-18 17:25:06,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 660 transitions. [2018-11-18 17:25:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:25:06,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:06,956 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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 17:25:06,956 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:06,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:06,956 INFO L82 PathProgramCache]: Analyzing trace with hash -408124070, now seen corresponding path program 1 times [2018-11-18 17:25:06,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:06,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:06,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:06,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 17:25:06,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:06,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:06,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:06,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:06,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:06,987 INFO L87 Difference]: Start difference. First operand 460 states and 660 transitions. Second operand 3 states. [2018-11-18 17:25:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,086 INFO L93 Difference]: Finished difference Result 958 states and 1383 transitions. [2018-11-18 17:25:07,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2018-11-18 17:25:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,088 INFO L225 Difference]: With dead ends: 958 [2018-11-18 17:25:07,088 INFO L226 Difference]: Without dead ends: 510 [2018-11-18 17:25:07,089 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 17:25:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2018-11-18 17:25:07,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 504. [2018-11-18 17:25:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-11-18 17:25:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 714 transitions. [2018-11-18 17:25:07,100 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 714 transitions. Word has length 80 [2018-11-18 17:25:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,100 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 714 transitions. [2018-11-18 17:25:07,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 714 transitions. [2018-11-18 17:25:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 17:25:07,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,102 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,102 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1386271406, now seen corresponding path program 1 times [2018-11-18 17:25:07,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:25:07,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:07,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:07,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:07,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:07,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:07,160 INFO L87 Difference]: Start difference. First operand 504 states and 714 transitions. Second operand 3 states. [2018-11-18 17:25:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,225 INFO L93 Difference]: Finished difference Result 996 states and 1417 transitions. [2018-11-18 17:25:07,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-18 17:25:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,230 INFO L225 Difference]: With dead ends: 996 [2018-11-18 17:25:07,230 INFO L226 Difference]: Without dead ends: 749 [2018-11-18 17:25:07,231 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 17:25:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2018-11-18 17:25:07,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2018-11-18 17:25:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-11-18 17:25:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1062 transitions. [2018-11-18 17:25:07,249 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1062 transitions. Word has length 101 [2018-11-18 17:25:07,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,249 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 1062 transitions. [2018-11-18 17:25:07,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1062 transitions. [2018-11-18 17:25:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 17:25:07,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,251 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,251 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1918858680, now seen corresponding path program 1 times [2018-11-18 17:25:07,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 17:25:07,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:07,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:07,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:07,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:07,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:07,290 INFO L87 Difference]: Start difference. First operand 749 states and 1062 transitions. Second operand 3 states. [2018-11-18 17:25:07,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,335 INFO L93 Difference]: Finished difference Result 996 states and 1414 transitions. [2018-11-18 17:25:07,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-11-18 17:25:07,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,340 INFO L225 Difference]: With dead ends: 996 [2018-11-18 17:25:07,340 INFO L226 Difference]: Without dead ends: 994 [2018-11-18 17:25:07,340 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 17:25:07,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-18 17:25:07,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2018-11-18 17:25:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2018-11-18 17:25:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1412 transitions. [2018-11-18 17:25:07,360 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1412 transitions. Word has length 103 [2018-11-18 17:25:07,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,361 INFO L480 AbstractCegarLoop]: Abstraction has 994 states and 1412 transitions. [2018-11-18 17:25:07,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1412 transitions. [2018-11-18 17:25:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 17:25:07,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,363 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,363 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1984812912, now seen corresponding path program 1 times [2018-11-18 17:25:07,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 17:25:07,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:07,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:07,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:07,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:07,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:07,412 INFO L87 Difference]: Start difference. First operand 994 states and 1412 transitions. Second operand 3 states. [2018-11-18 17:25:07,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,508 INFO L93 Difference]: Finished difference Result 2086 states and 2982 transitions. [2018-11-18 17:25:07,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-18 17:25:07,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,512 INFO L225 Difference]: With dead ends: 2086 [2018-11-18 17:25:07,512 INFO L226 Difference]: Without dead ends: 1104 [2018-11-18 17:25:07,513 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 17:25:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2018-11-18 17:25:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1090. [2018-11-18 17:25:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2018-11-18 17:25:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1528 transitions. [2018-11-18 17:25:07,536 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1528 transitions. Word has length 129 [2018-11-18 17:25:07,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,537 INFO L480 AbstractCegarLoop]: Abstraction has 1090 states and 1528 transitions. [2018-11-18 17:25:07,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1528 transitions. [2018-11-18 17:25:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 17:25:07,539 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,539 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,539 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2074477414, now seen corresponding path program 1 times [2018-11-18 17:25:07,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 17:25:07,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:07,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:07,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:07,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:07,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:07,596 INFO L87 Difference]: Start difference. First operand 1090 states and 1528 transitions. Second operand 3 states. [2018-11-18 17:25:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,724 INFO L93 Difference]: Finished difference Result 2376 states and 3384 transitions. [2018-11-18 17:25:07,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2018-11-18 17:25:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,729 INFO L225 Difference]: With dead ends: 2376 [2018-11-18 17:25:07,729 INFO L226 Difference]: Without dead ends: 1290 [2018-11-18 17:25:07,731 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 17:25:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2018-11-18 17:25:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1250. [2018-11-18 17:25:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2018-11-18 17:25:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1756 transitions. [2018-11-18 17:25:07,757 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1756 transitions. Word has length 151 [2018-11-18 17:25:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,757 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1756 transitions. [2018-11-18 17:25:07,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1756 transitions. [2018-11-18 17:25:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 17:25:07,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,760 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,761 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -53614923, now seen corresponding path program 1 times [2018-11-18 17:25:07,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 17:25:07,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:07,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:07,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:07,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:07,836 INFO L87 Difference]: Start difference. First operand 1250 states and 1756 transitions. Second operand 3 states. [2018-11-18 17:25:07,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:07,935 INFO L93 Difference]: Finished difference Result 2612 states and 3644 transitions. [2018-11-18 17:25:07,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:07,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2018-11-18 17:25:07,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:07,939 INFO L225 Difference]: With dead ends: 2612 [2018-11-18 17:25:07,939 INFO L226 Difference]: Without dead ends: 1374 [2018-11-18 17:25:07,942 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 17:25:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2018-11-18 17:25:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1366. [2018-11-18 17:25:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2018-11-18 17:25:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1892 transitions. [2018-11-18 17:25:07,968 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1892 transitions. Word has length 188 [2018-11-18 17:25:07,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:07,968 INFO L480 AbstractCegarLoop]: Abstraction has 1366 states and 1892 transitions. [2018-11-18 17:25:07,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1892 transitions. [2018-11-18 17:25:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 17:25:07,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:07,971 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:07,972 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:07,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:07,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1907959735, now seen corresponding path program 1 times [2018-11-18 17:25:07,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:07,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:07,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:07,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 17:25:08,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:08,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:08,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:08,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:08,023 INFO L87 Difference]: Start difference. First operand 1366 states and 1892 transitions. Second operand 3 states. [2018-11-18 17:25:08,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:08,187 INFO L93 Difference]: Finished difference Result 2860 states and 3952 transitions. [2018-11-18 17:25:08,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:08,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2018-11-18 17:25:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:08,192 INFO L225 Difference]: With dead ends: 2860 [2018-11-18 17:25:08,192 INFO L226 Difference]: Without dead ends: 1506 [2018-11-18 17:25:08,195 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 17:25:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-11-18 17:25:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1494. [2018-11-18 17:25:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2018-11-18 17:25:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 2040 transitions. [2018-11-18 17:25:08,230 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 2040 transitions. Word has length 188 [2018-11-18 17:25:08,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:08,231 INFO L480 AbstractCegarLoop]: Abstraction has 1494 states and 2040 transitions. [2018-11-18 17:25:08,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2040 transitions. [2018-11-18 17:25:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 17:25:08,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:08,235 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:08,235 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:08,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:08,236 INFO L82 PathProgramCache]: Analyzing trace with hash 340460485, now seen corresponding path program 1 times [2018-11-18 17:25:08,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:08,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:08,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:08,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-18 17:25:08,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:08,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:08,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:08,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:08,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:08,313 INFO L87 Difference]: Start difference. First operand 1494 states and 2040 transitions. Second operand 3 states. [2018-11-18 17:25:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:08,360 INFO L93 Difference]: Finished difference Result 4454 states and 6084 transitions. [2018-11-18 17:25:08,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:08,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-18 17:25:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:08,368 INFO L225 Difference]: With dead ends: 4454 [2018-11-18 17:25:08,369 INFO L226 Difference]: Without dead ends: 2972 [2018-11-18 17:25:08,371 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 17:25:08,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2018-11-18 17:25:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2970. [2018-11-18 17:25:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2018-11-18 17:25:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 4055 transitions. [2018-11-18 17:25:08,431 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 4055 transitions. Word has length 219 [2018-11-18 17:25:08,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:08,431 INFO L480 AbstractCegarLoop]: Abstraction has 2970 states and 4055 transitions. [2018-11-18 17:25:08,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 4055 transitions. [2018-11-18 17:25:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 17:25:08,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:08,437 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:08,437 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:08,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:08,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1992932153, now seen corresponding path program 1 times [2018-11-18 17:25:08,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:08,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:08,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:08,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-11-18 17:25:08,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:08,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:08,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:08,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:08,511 INFO L87 Difference]: Start difference. First operand 2970 states and 4055 transitions. Second operand 3 states. [2018-11-18 17:25:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:08,648 INFO L93 Difference]: Finished difference Result 6236 states and 8514 transitions. [2018-11-18 17:25:08,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:08,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-18 17:25:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:08,658 INFO L225 Difference]: With dead ends: 6236 [2018-11-18 17:25:08,658 INFO L226 Difference]: Without dead ends: 3278 [2018-11-18 17:25:08,662 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 17:25:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2018-11-18 17:25:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 3262. [2018-11-18 17:25:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3262 states. [2018-11-18 17:25:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4387 transitions. [2018-11-18 17:25:08,729 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4387 transitions. Word has length 219 [2018-11-18 17:25:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:08,730 INFO L480 AbstractCegarLoop]: Abstraction has 3262 states and 4387 transitions. [2018-11-18 17:25:08,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4387 transitions. [2018-11-18 17:25:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 17:25:08,735 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:08,735 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:08,736 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:08,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1255885273, now seen corresponding path program 1 times [2018-11-18 17:25:08,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:08,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:08,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:08,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-11-18 17:25:08,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:08,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:08,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:08,795 INFO L87 Difference]: Start difference. First operand 3262 states and 4387 transitions. Second operand 3 states. [2018-11-18 17:25:08,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:08,930 INFO L93 Difference]: Finished difference Result 6664 states and 8958 transitions. [2018-11-18 17:25:08,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:08,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2018-11-18 17:25:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:08,940 INFO L225 Difference]: With dead ends: 6664 [2018-11-18 17:25:08,940 INFO L226 Difference]: Without dead ends: 3414 [2018-11-18 17:25:08,945 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 17:25:08,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2018-11-18 17:25:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3398. [2018-11-18 17:25:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3398 states. [2018-11-18 17:25:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 4543 transitions. [2018-11-18 17:25:09,009 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 4543 transitions. Word has length 244 [2018-11-18 17:25:09,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:09,009 INFO L480 AbstractCegarLoop]: Abstraction has 3398 states and 4543 transitions. [2018-11-18 17:25:09,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 4543 transitions. [2018-11-18 17:25:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 17:25:09,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:09,015 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:09,016 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:09,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:09,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1251056548, now seen corresponding path program 1 times [2018-11-18 17:25:09,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:09,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:09,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:09,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-11-18 17:25:09,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:09,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:09,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:09,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:09,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:09,107 INFO L87 Difference]: Start difference. First operand 3398 states and 4543 transitions. Second operand 3 states. [2018-11-18 17:25:09,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:09,282 INFO L93 Difference]: Finished difference Result 7192 states and 9750 transitions. [2018-11-18 17:25:09,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:09,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2018-11-18 17:25:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:09,289 INFO L225 Difference]: With dead ends: 7192 [2018-11-18 17:25:09,289 INFO L226 Difference]: Without dead ends: 3806 [2018-11-18 17:25:09,293 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 17:25:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2018-11-18 17:25:09,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3718. [2018-11-18 17:25:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2018-11-18 17:25:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4919 transitions. [2018-11-18 17:25:09,333 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4919 transitions. Word has length 255 [2018-11-18 17:25:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:09,333 INFO L480 AbstractCegarLoop]: Abstraction has 3718 states and 4919 transitions. [2018-11-18 17:25:09,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4919 transitions. [2018-11-18 17:25:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 17:25:09,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:09,338 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:09,338 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:09,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:09,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1320979294, now seen corresponding path program 1 times [2018-11-18 17:25:09,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:09,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:09,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:09,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-11-18 17:25:09,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:09,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:09,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:09,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:09,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:09,396 INFO L87 Difference]: Start difference. First operand 3718 states and 4919 transitions. Second operand 3 states. [2018-11-18 17:25:09,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:09,508 INFO L93 Difference]: Finished difference Result 7840 states and 10310 transitions. [2018-11-18 17:25:09,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:09,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2018-11-18 17:25:09,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:09,518 INFO L225 Difference]: With dead ends: 7840 [2018-11-18 17:25:09,518 INFO L226 Difference]: Without dead ends: 4134 [2018-11-18 17:25:09,523 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 17:25:09,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2018-11-18 17:25:09,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 3846. [2018-11-18 17:25:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3846 states. [2018-11-18 17:25:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5071 transitions. [2018-11-18 17:25:09,569 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5071 transitions. Word has length 270 [2018-11-18 17:25:09,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:09,569 INFO L480 AbstractCegarLoop]: Abstraction has 3846 states and 5071 transitions. [2018-11-18 17:25:09,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5071 transitions. [2018-11-18 17:25:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 17:25:09,574 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:09,574 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:09,574 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:09,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:09,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2043197932, now seen corresponding path program 1 times [2018-11-18 17:25:09,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:09,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:09,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:09,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-11-18 17:25:09,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:09,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:09,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:09,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:09,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:09,649 INFO L87 Difference]: Start difference. First operand 3846 states and 5071 transitions. Second operand 3 states. [2018-11-18 17:25:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:09,709 INFO L93 Difference]: Finished difference Result 10994 states and 14573 transitions. [2018-11-18 17:25:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:09,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2018-11-18 17:25:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:09,722 INFO L225 Difference]: With dead ends: 10994 [2018-11-18 17:25:09,722 INFO L226 Difference]: Without dead ends: 7160 [2018-11-18 17:25:09,728 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 17:25:09,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7160 states. [2018-11-18 17:25:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7160 to 7158. [2018-11-18 17:25:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7158 states. [2018-11-18 17:25:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7158 states to 7158 states and 9493 transitions. [2018-11-18 17:25:09,801 INFO L78 Accepts]: Start accepts. Automaton has 7158 states and 9493 transitions. Word has length 271 [2018-11-18 17:25:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:09,801 INFO L480 AbstractCegarLoop]: Abstraction has 7158 states and 9493 transitions. [2018-11-18 17:25:09,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 7158 states and 9493 transitions. [2018-11-18 17:25:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 17:25:09,807 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:09,807 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:09,807 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:09,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:09,808 INFO L82 PathProgramCache]: Analyzing trace with hash 2027340829, now seen corresponding path program 1 times [2018-11-18 17:25:09,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:09,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:09,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:09,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2018-11-18 17:25:09,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:09,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:09,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:09,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:09,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:09,891 INFO L87 Difference]: Start difference. First operand 7158 states and 9493 transitions. Second operand 3 states. [2018-11-18 17:25:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:10,024 INFO L93 Difference]: Finished difference Result 14312 states and 18962 transitions. [2018-11-18 17:25:10,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:10,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2018-11-18 17:25:10,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:10,033 INFO L225 Difference]: With dead ends: 14312 [2018-11-18 17:25:10,033 INFO L226 Difference]: Without dead ends: 7166 [2018-11-18 17:25:10,039 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 17:25:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7166 states. [2018-11-18 17:25:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7166 to 7134. [2018-11-18 17:25:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-11-18 17:25:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 9277 transitions. [2018-11-18 17:25:10,111 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 9277 transitions. Word has length 272 [2018-11-18 17:25:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:10,112 INFO L480 AbstractCegarLoop]: Abstraction has 7134 states and 9277 transitions. [2018-11-18 17:25:10,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 9277 transitions. [2018-11-18 17:25:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 17:25:10,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:10,118 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:10,119 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:10,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:10,119 INFO L82 PathProgramCache]: Analyzing trace with hash -517836981, now seen corresponding path program 1 times [2018-11-18 17:25:10,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:10,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:10,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:10,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:10,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 336 proven. 19 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-11-18 17:25:10,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:25:10,193 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:25:10,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:10,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:25:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2018-11-18 17:25:10,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:25:10,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-11-18 17:25:10,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:25:10,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:25:10,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:25:10,382 INFO L87 Difference]: Start difference. First operand 7134 states and 9277 transitions. Second operand 6 states. [2018-11-18 17:25:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:10,864 INFO L93 Difference]: Finished difference Result 17861 states and 23235 transitions. [2018-11-18 17:25:10,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:25:10,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 295 [2018-11-18 17:25:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:10,875 INFO L225 Difference]: With dead ends: 17861 [2018-11-18 17:25:10,875 INFO L226 Difference]: Without dead ends: 10703 [2018-11-18 17:25:10,880 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:25:10,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10703 states. [2018-11-18 17:25:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10703 to 9101. [2018-11-18 17:25:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9101 states. [2018-11-18 17:25:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9101 states to 9101 states and 11840 transitions. [2018-11-18 17:25:11,012 INFO L78 Accepts]: Start accepts. Automaton has 9101 states and 11840 transitions. Word has length 295 [2018-11-18 17:25:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:11,013 INFO L480 AbstractCegarLoop]: Abstraction has 9101 states and 11840 transitions. [2018-11-18 17:25:11,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:25:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9101 states and 11840 transitions. [2018-11-18 17:25:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 17:25:11,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:11,020 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:11,020 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:11,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:11,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1202097003, now seen corresponding path program 1 times [2018-11-18 17:25:11,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:11,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:11,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:11,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:11,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 439 proven. 6 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2018-11-18 17:25:11,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:25:11,109 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:25:11,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:11,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:25:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2018-11-18 17:25:11,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:25:11,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 17:25:11,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:25:11,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:25:11,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:25:11,253 INFO L87 Difference]: Start difference. First operand 9101 states and 11840 transitions. Second operand 5 states. [2018-11-18 17:25:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:11,606 INFO L93 Difference]: Finished difference Result 21019 states and 27227 transitions. [2018-11-18 17:25:11,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:25:11,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 323 [2018-11-18 17:25:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:11,620 INFO L225 Difference]: With dead ends: 21019 [2018-11-18 17:25:11,620 INFO L226 Difference]: Without dead ends: 11929 [2018-11-18 17:25:11,629 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:25:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2018-11-18 17:25:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 9984. [2018-11-18 17:25:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9984 states. [2018-11-18 17:25:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9984 states to 9984 states and 12699 transitions. [2018-11-18 17:25:11,847 INFO L78 Accepts]: Start accepts. Automaton has 9984 states and 12699 transitions. Word has length 323 [2018-11-18 17:25:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:11,848 INFO L480 AbstractCegarLoop]: Abstraction has 9984 states and 12699 transitions. [2018-11-18 17:25:11,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:25:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9984 states and 12699 transitions. [2018-11-18 17:25:11,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-18 17:25:11,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:11,856 INFO L375 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:11,856 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:11,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1251688620, now seen corresponding path program 1 times [2018-11-18 17:25:11,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:11,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:11,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:11,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:11,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2018-11-18 17:25:11,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:11,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:25:11,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:25:11,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:25:11,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:25:11,951 INFO L87 Difference]: Start difference. First operand 9984 states and 12699 transitions. Second operand 3 states. [2018-11-18 17:25:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:12,118 INFO L93 Difference]: Finished difference Result 18887 states and 23778 transitions. [2018-11-18 17:25:12,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:25:12,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 434 [2018-11-18 17:25:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:12,124 INFO L225 Difference]: With dead ends: 18887 [2018-11-18 17:25:12,124 INFO L226 Difference]: Without dead ends: 3997 [2018-11-18 17:25:12,134 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 17:25:12,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2018-11-18 17:25:12,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3644. [2018-11-18 17:25:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3644 states. [2018-11-18 17:25:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4510 transitions. [2018-11-18 17:25:12,178 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4510 transitions. Word has length 434 [2018-11-18 17:25:12,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:12,178 INFO L480 AbstractCegarLoop]: Abstraction has 3644 states and 4510 transitions. [2018-11-18 17:25:12,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:25:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4510 transitions. [2018-11-18 17:25:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-11-18 17:25:12,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:12,182 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:25:12,183 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:12,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:12,183 INFO L82 PathProgramCache]: Analyzing trace with hash 696372751, now seen corresponding path program 1 times [2018-11-18 17:25:12,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:25:12,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:25:12,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:12,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:12,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 1359 proven. 15 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2018-11-18 17:25:12,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:25:12,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:25:12,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:12,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:25:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 1359 proven. 15 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2018-11-18 17:25:12,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:25:12,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 17:25:12,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:25:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:25:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:25:12,538 INFO L87 Difference]: Start difference. First operand 3644 states and 4510 transitions. Second operand 4 states. [2018-11-18 17:25:12,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:12,655 INFO L93 Difference]: Finished difference Result 4153 states and 5148 transitions. [2018-11-18 17:25:12,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:25:12,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 463 [2018-11-18 17:25:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:12,656 INFO L225 Difference]: With dead ends: 4153 [2018-11-18 17:25:12,656 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:25:12,659 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:25:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:25:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:25:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:25:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:25:12,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 463 [2018-11-18 17:25:12,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:12,660 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:25:12,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:25:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:25:12,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:25:12,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:25:12,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,931 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 68 [2018-11-18 17:25:12,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:12,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:13,415 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2018-11-18 17:25:13,537 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 401) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 368) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 491) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 502) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 513) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 469) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L467-2(lines 467 469) no Hoare annotation was computed. [2018-11-18 17:25:13,537 INFO L421 ceAbstractionStarter]: At program point L137(lines 133 503) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-18 17:25:13,537 INFO L428 ceAbstractionStarter]: At program point L534(lines 96 535) the Hoare annotation is: true [2018-11-18 17:25:13,537 INFO L425 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 240) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L270-2(lines 270 274) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 307) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L421 ceAbstractionStarter]: At program point L205(lines 103 513) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (<= ssl3_connect_~blastFlag~0 0) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L172(lines 172 490) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 501) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 512) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L421 ceAbstractionStarter]: At program point L173(lines 169 491) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 474) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 450) no Hoare annotation was computed. [2018-11-18 17:25:13,538 INFO L425 ceAbstractionStarter]: For program point L406(lines 406 420) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 406 420) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L439-2(lines 439 450) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 489) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 500) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 511) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L539(lines 539 541) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L425 ceAbstractionStarter]: For program point L539-2(lines 539 541) no Hoare annotation was computed. [2018-11-18 17:25:13,539 INFO L421 ceAbstractionStarter]: At program point L143(lines 139 501) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-18 17:25:13,548 INFO L425 ceAbstractionStarter]: For program point L342(lines 342 344) no Hoare annotation was computed. [2018-11-18 17:25:13,548 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 212) no Hoare annotation was computed. [2018-11-18 17:25:13,548 INFO L425 ceAbstractionStarter]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 378) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 488) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 499) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 510) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L421 ceAbstractionStarter]: At program point L179(lines 175 489) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 447) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 314) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L425 ceAbstractionStarter]: For program point L279-1(lines 279 289) no Hoare annotation was computed. [2018-11-18 17:25:13,549 INFO L421 ceAbstractionStarter]: At program point L313(lines 75 545) the Hoare annotation is: (< |ssl3_connect_#in~initial_state| 12292) [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L181(lines 181 487) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 498) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 509) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 218) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L421 ceAbstractionStarter]: At program point L149(lines 145 499) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 .cse2) (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2))) [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L421 ceAbstractionStarter]: At program point L480(lines 97 533) the Hoare annotation is: (let ((.cse3 (<= ssl3_connect_~s__state~0 4352)) (.cse4 (<= 4352 ssl3_connect_~s__state~0)) (.cse7 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (<= 4560 ssl3_connect_~s__state~0)) (.cse9 (<= ssl3_connect_~s__state~0 4560)) (.cse6 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse0 (<= ssl3_connect_~blastFlag~0 2)) (.cse5 (= ssl3_connect_~s__state~0 4512)) (.cse1 (= ssl3_connect_~s__state~0 4528)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1) (and .cse2 (= ssl3_connect_~s__state~0 4480)) (and (= ssl3_connect_~s__state~0 4496) .cse2) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse3 .cse4) (and .cse0 (= ssl3_connect_~s__state~0 4384)) (and .cse5 .cse2) (and (= ssl3_connect_~s__state~0 4464) .cse2) (< |ssl3_connect_#in~initial_state| 12292) (and .cse6 .cse3 .cse4 .cse2 .cse7) (and .cse6 .cse8 .cse2 .cse9 .cse7) (and (<= ssl3_connect_~blastFlag~0 0) (= ssl3_connect_~s__state~0 4368)) (and .cse0 .cse8 .cse9) (and (<= ssl3_connect_~s__state~0 3) .cse6) (and .cse0 .cse5) (and .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 4) .cse2))) [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 317) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 251) no Hoare annotation was computed. [2018-11-18 17:25:13,550 INFO L425 ceAbstractionStarter]: For program point L249-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L428 ceAbstractionStarter]: At program point ssl3_connectENTRY(lines 11 546) the Hoare annotation is: true [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 285) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L283-2(lines 281 289) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 486) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L151(lines 151 497) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 508) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 531) no Hoare annotation was computed. [2018-11-18 17:25:13,551 INFO L421 ceAbstractionStarter]: At program point L185(lines 181 487) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-18 17:25:13,551 INFO L421 ceAbstractionStarter]: At program point L119(lines 115 509) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 0)) (.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1) (< |ssl3_connect_#in~initial_state| 12292) (and .cse2 (= ssl3_connect_~s__state~0 4368)) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse0 .cse1))) [2018-11-18 17:25:13,551 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 88) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L516(lines 516 530) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 353) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 522) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L517-2(lines 516 530) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 485) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 496) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 507) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point $Ultimate##85(lines 200 481) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point $Ultimate##84(lines 200 481) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 232) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L221-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L519(lines 519 521) no Hoare annotation was computed. [2018-11-18 17:25:13,552 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 360) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L355-2(lines 355 360) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 226) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 484) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 495) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 506) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 95) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L455-1(lines 455 457) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 259) no Hoare annotation was computed. [2018-11-18 17:25:13,553 INFO L421 ceAbstractionStarter]: At program point L191(lines 187 485) the Hoare annotation is: (let ((.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4560))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse2))) [2018-11-18 17:25:13,553 INFO L421 ceAbstractionStarter]: At program point L125(lines 121 507) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1) (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-18 17:25:13,553 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 94) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 11 546) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 326) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L324-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 11 546) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 394) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 483) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 494) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L127(lines 127 505) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2018-11-18 17:25:13,554 INFO L421 ceAbstractionStarter]: At program point L194(lines 193 483) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 4) .cse2) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_connect_~blastFlag~0 2) (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse0 .cse1))) [2018-11-18 17:25:13,554 INFO L421 ceAbstractionStarter]: At program point L161(lines 151 497) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-18 17:25:13,554 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 428) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 482) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 493) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 504) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 533) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L97-2(lines 75 545) no Hoare annotation was computed. [2018-11-18 17:25:13,555 INFO L425 ceAbstractionStarter]: For program point L461(lines 461 463) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L461-2(lines 461 463) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 298) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L296-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L428 ceAbstractionStarter]: At program point L197(lines 196 482) the Hoare annotation is: true [2018-11-18 17:25:13,556 INFO L421 ceAbstractionStarter]: At program point L131(lines 127 505) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L330(lines 330 334) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 266) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2018-11-18 17:25:13,556 INFO L425 ceAbstractionStarter]: For program point L264-2(lines 200 479) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L428 ceAbstractionStarter]: At program point L199(lines 198 482) the Hoare annotation is: true [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 492) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 503) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 514) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L421 ceAbstractionStarter]: At program point L167(lines 163 493) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-18 17:25:13,557 INFO L421 ceAbstractionStarter]: At program point L101(lines 100 514) the Hoare annotation is: (let ((.cse0 (<= 12292 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 0) .cse0) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0)))) [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 17:25:13,557 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:25:13,557 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 547 557) the Hoare annotation is: true [2018-11-18 17:25:13,557 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 547 557) no Hoare annotation was computed. [2018-11-18 17:25:13,558 INFO L428 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-18 17:25:13,558 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 547 557) no Hoare annotation was computed. [2018-11-18 17:25:13,558 INFO L425 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-18 17:25:13,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:25:13 BoogieIcfgContainer [2018-11-18 17:25:13,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:25:13,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:25:13,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:25:13,582 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:25:13,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:25:05" (3/4) ... [2018-11-18 17:25:13,586 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:25:13,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:25:13,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_connect [2018-11-18 17:25:13,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:25:13,601 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 17:25:13,601 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:25:13,602 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:25:13,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state)) || ((12292 <= s__state && blastFlag <= 4) && s__hit == 0) [2018-11-18 17:25:13,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || blastFlag <= 0) || (blastFlag <= 4 && s__hit == 0) [2018-11-18 17:25:13,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (blastFlag <= 0 && s__state == 4368)) || (((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && s__state <= 4560) [2018-11-18 17:25:13,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) [2018-11-18 17:25:13,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-18 17:25:13,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-18 17:25:13,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((blastFlag <= 2 && s__state == 4528) || (s__hit == 0 && s__state == 4480)) || (s__state == 4496 && s__hit == 0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state)) || (blastFlag <= 2 && s__state == 4384)) || (s__state == 4512 && s__hit == 0)) || (s__state == 4464 && s__hit == 0)) || \old(initial_state) < 12292) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (blastFlag <= 2 && s__state == 4512)) || (s__state == 4528 && s__hit == 0)) || (blastFlag <= 4 && s__hit == 0) [2018-11-18 17:25:13,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (((s__s3__tmp__next_state___0 <= 4560 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__state <= 4560 && s__hit == 0) && 4464 <= s__state) [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) [2018-11-18 17:25:13,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) [2018-11-18 17:25:13,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(initial_state) < 12292 || ((4560 <= s__state && blastFlag <= 4) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560) [2018-11-18 17:25:13,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(initial_state) < 12292 || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) [2018-11-18 17:25:13,678 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22227029-f033-4717-886c-b9669c66b705/bin-2019/uautomizer/witness.graphml [2018-11-18 17:25:13,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:25:13,679 INFO L168 Benchmark]: Toolchain (without parser) took 8799.23 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 715.1 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 492.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,680 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:25:13,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,681 INFO L168 Benchmark]: Boogie Preprocessor took 80.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,681 INFO L168 Benchmark]: RCFGBuilder took 510.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,681 INFO L168 Benchmark]: TraceAbstraction took 7875.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 554.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.8 MB). Peak memory consumption was 460.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,681 INFO L168 Benchmark]: Witness Printer took 95.95 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:13,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 510.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7875.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 554.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.8 MB). Peak memory consumption was 460.3 MB. Max. memory is 11.5 GB. * Witness Printer took 95.95 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__state <= 4560 && s__hit == 0) && 4464 <= s__state) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (blastFlag <= 0 && s__state == 4368)) || (((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && s__state <= 4560) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((((((((((((blastFlag <= 2 && s__state == 4528) || (s__hit == 0 && s__state == 4480)) || (s__state == 4496 && s__hit == 0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state)) || (blastFlag <= 2 && s__state == 4384)) || (s__state == 4512 && s__hit == 0)) || (s__state == 4464 && s__hit == 0)) || \old(initial_state) < 12292) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (blastFlag <= 2 && s__state == 4512)) || (s__state == 4528 && s__hit == 0)) || (blastFlag <= 4 && s__hit == 0) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (((s__s3__tmp__next_state___0 <= 4560 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || blastFlag <= 0) || (blastFlag <= 4 && s__hit == 0) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((\old(initial_state) < 12292 || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state)) || ((12292 <= s__state && blastFlag <= 4) && s__hit == 0) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((\old(initial_state) < 12292 || ((4560 <= s__state && blastFlag <= 4) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 138 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 23 OverallIterations, 18 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4704 SDtfs, 1842 SDslu, 2971 SDs, 0 SdLazy, 2725 SolverSat, 458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1165 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9984occurred in iteration=21, 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: 1.0s AutomataMinimizationTime, 23 MinimizatonAttempts, 4484 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 341 NumberOfFragments, 518 HoareAnnotationTreeSize, 26 FomulaSimplifications, 21934 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 909 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 5564 NumberOfCodeBlocks, 5564 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5538 ConstructedInterpolants, 0 QuantifiedInterpolants, 2012116 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2010 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 16932/16987 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...