/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-177f698
[2020-08-21 14:07:26,469 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 14:07:26,473 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 14:07:26,514 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 14:07:26,514 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 14:07:26,524 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 14:07:26,526 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 14:07:26,530 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 14:07:26,533 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2020-08-21 14:07:26,539 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 14:07:26,542 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 14:07:26,544 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 14:07:26,546 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 14:07:26,547 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 14:07:26,548 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 14:07:26,550 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 14:07:26,558 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 14:07:26,560 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 14:07:26,561 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 14:07:26,562 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 14:07:26,563 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 14:07:26,577 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 14:07:26,577 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 14:07:26,577 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 14:07:26,578 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-08-21 14:07:26,585 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 14:07:26,586 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 14:07:26,586 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-08-21 14:07:26,588 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-08-21 14:07:26,589 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-08-21 14:07:26,590 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 14:07:26,592 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-21 14:07:26,629 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 14:07:26,630 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 14:07:26,632 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 14:07:26,632 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 14:07:26,633 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 14:07:26,633 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 14:07:26,633 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 14:07:26,634 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 14:07:26,634 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 14:07:26,634 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 14:07:26,635 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 14:07:26,635 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 14:07:26,636 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 14:07:26,636 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 14:07:26,636 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 14:07:26,636 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 14:07:26,637 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 14:07:26,637 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 14:07:26,637 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 14:07:26,637 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 14:07:26,637 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 14:07:26,638 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 14:07:26,638 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 14:07:26,638 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 14:07:26,638 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 14:07:26,638 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 14:07:26,638 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 14:07:26,639 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 14:07:26,639 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 14:07:26,639 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true;
[2020-08-21 14:07:26,944 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 14:07:26,960 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 14:07:26,963 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 14:07:26,965 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 14:07:26,965 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 14:07:26,966 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c
[2020-08-21 14:07:27,042 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5c4e8fb9/8e72856411d148c387865ee3e6ac4829/FLAGe109eb780
[2020-08-21 14:07:27,523 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 14:07:27,524 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c
[2020-08-21 14:07:27,534 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5c4e8fb9/8e72856411d148c387865ee3e6ac4829/FLAGe109eb780
[2020-08-21 14:07:27,885 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5c4e8fb9/8e72856411d148c387865ee3e6ac4829
[2020-08-21 14:07:27,894 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 14:07:27,896 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 14:07:27,897 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 14:07:27,897 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 14:07:27,901 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 14:07:27,903 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:07:27" (1/1) ...
[2020-08-21 14:07:27,906 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcb8091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:27, skipping insertion in model container
[2020-08-21 14:07:27,907 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:07:27" (1/1) ...
[2020-08-21 14:07:27,915 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 14:07:27,974 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 14:07:28,241 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:07:28,246 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 14:07:28,383 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:07:28,400 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 14:07:28,401 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28 WrapperNode
[2020-08-21 14:07:28,401 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 14:07:28,405 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 14:07:28,405 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 14:07:28,405 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 14:07:28,418 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,418 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,426 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,427 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,439 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,452 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,455 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
[2020-08-21 14:07:28,460 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 14:07:28,460 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 14:07:28,460 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 14:07:28,460 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 14:07:28,461 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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
[2020-08-21 14:07:28,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 14:07:28,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 14:07:28,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure ssl3_connect
[2020-08-21 14:07:28,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 14:07:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 14:07:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-08-21 14:07:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 14:07:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-08-21 14:07:28,530 INFO  L130     BoogieDeclarations]: Found specification of procedure ssl3_connect
[2020-08-21 14:07:28,530 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 14:07:28,530 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 14:07:28,530 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 14:07:28,674 WARN  L779   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-08-21 14:07:29,225 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-08-21 14:07:29,225 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-08-21 14:07:29,244 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 14:07:29,245 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-08-21 14:07:29,250 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:07:29 BoogieIcfgContainer
[2020-08-21 14:07:29,251 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 14:07:29,252 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 14:07:29,253 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 14:07:29,256 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 14:07:29,257 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:07:27" (1/3) ...
[2020-08-21 14:07:29,258 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed5eb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:07:29, skipping insertion in model container
[2020-08-21 14:07:29,258 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:07:28" (2/3) ...
[2020-08-21 14:07:29,259 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed5eb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:07:29, skipping insertion in model container
[2020-08-21 14:07:29,259 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:07:29" (3/3) ...
[2020-08-21 14:07:29,261 INFO  L109   eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c
[2020-08-21 14:07:29,272 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 14:07:29,281 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 14:07:29,297 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 14:07:29,325 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 14:07:29,326 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 14:07:29,326 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 14:07:29,326 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 14:07:29,326 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 14:07:29,327 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 14:07:29,327 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 14:07:29,327 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 14:07:29,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 135 states.
[2020-08-21 14:07:29,364 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2020-08-21 14:07:29,365 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:29,366 INFO  L422         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]
[2020-08-21 14:07:29,366 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:29,373 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:29,374 INFO  L82        PathProgramCache]: Analyzing trace with hash 173381458, now seen corresponding path program 1 times
[2020-08-21 14:07:29,383 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:29,384 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502614598]
[2020-08-21 14:07:29,384 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:29,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:29,689 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:29,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:29,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 14:07:29,701 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502614598]
[2020-08-21 14:07:29,703 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:29,704 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 14:07:29,705 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722595934]
[2020-08-21 14:07:29,710 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 14:07:29,711 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:29,725 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 14:07:29,726 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 14:07:29,729 INFO  L87              Difference]: Start difference. First operand 135 states. Second operand 4 states.
[2020-08-21 14:07:30,027 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:30,027 INFO  L93              Difference]: Finished difference Result 261 states and 436 transitions.
[2020-08-21 14:07:30,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-21 14:07:30,029 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 29
[2020-08-21 14:07:30,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:30,043 INFO  L225             Difference]: With dead ends: 261
[2020-08-21 14:07:30,043 INFO  L226             Difference]: Without dead ends: 119
[2020-08-21 14:07:30,047 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-21 14:07:30,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2020-08-21 14:07:30,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2020-08-21 14:07:30,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 119 states.
[2020-08-21 14:07:30,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 176 transitions.
[2020-08-21 14:07:30,103 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 176 transitions. Word has length 29
[2020-08-21 14:07:30,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:30,104 INFO  L479      AbstractCegarLoop]: Abstraction has 119 states and 176 transitions.
[2020-08-21 14:07:30,104 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 14:07:30,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions.
[2020-08-21 14:07:30,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-08-21 14:07:30,106 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:30,106 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-08-21 14:07:30,107 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 14:07:30,107 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:30,107 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:30,107 INFO  L82        PathProgramCache]: Analyzing trace with hash -1901617752, now seen corresponding path program 1 times
[2020-08-21 14:07:30,108 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,108 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953459361]
[2020-08-21 14:07:30,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:30,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,223 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:30,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 14:07:30,230 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953459361]
[2020-08-21 14:07:30,230 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:30,231 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:30,231 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940973736]
[2020-08-21 14:07:30,234 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:30,234 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,234 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:30,235 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:30,235 INFO  L87              Difference]: Start difference. First operand 119 states and 176 transitions. Second operand 3 states.
[2020-08-21 14:07:30,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:30,379 INFO  L93              Difference]: Finished difference Result 241 states and 363 transitions.
[2020-08-21 14:07:30,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:30,380 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 42
[2020-08-21 14:07:30,380 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:30,382 INFO  L225             Difference]: With dead ends: 241
[2020-08-21 14:07:30,382 INFO  L226             Difference]: Without dead ends: 137
[2020-08-21 14:07:30,383 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:30,384 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2020-08-21 14:07:30,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134.
[2020-08-21 14:07:30,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2020-08-21 14:07:30,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions.
[2020-08-21 14:07:30,398 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 42
[2020-08-21 14:07:30,398 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:30,398 INFO  L479      AbstractCegarLoop]: Abstraction has 134 states and 196 transitions.
[2020-08-21 14:07:30,398 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:30,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions.
[2020-08-21 14:07:30,400 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-08-21 14:07:30,400 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:30,401 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 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]
[2020-08-21 14:07:30,401 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 14:07:30,401 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:30,401 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:30,402 INFO  L82        PathProgramCache]: Analyzing trace with hash 578658705, now seen corresponding path program 1 times
[2020-08-21 14:07:30,402 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,402 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662156608]
[2020-08-21 14:07:30,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:30,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,533 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:30,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-08-21 14:07:30,540 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662156608]
[2020-08-21 14:07:30,540 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:30,542 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:30,542 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674287404]
[2020-08-21 14:07:30,543 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:30,543 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,543 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:30,545 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:30,545 INFO  L87              Difference]: Start difference. First operand 134 states and 196 transitions. Second operand 3 states.
[2020-08-21 14:07:30,682 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:30,682 INFO  L93              Difference]: Finished difference Result 274 states and 409 transitions.
[2020-08-21 14:07:30,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:30,683 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 56
[2020-08-21 14:07:30,683 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:30,685 INFO  L225             Difference]: With dead ends: 274
[2020-08-21 14:07:30,685 INFO  L226             Difference]: Without dead ends: 155
[2020-08-21 14:07:30,687 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:30,687 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2020-08-21 14:07:30,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151.
[2020-08-21 14:07:30,698 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 151 states.
[2020-08-21 14:07:30,699 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 218 transitions.
[2020-08-21 14:07:30,700 INFO  L78                 Accepts]: Start accepts. Automaton has 151 states and 218 transitions. Word has length 56
[2020-08-21 14:07:30,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:30,700 INFO  L479      AbstractCegarLoop]: Abstraction has 151 states and 218 transitions.
[2020-08-21 14:07:30,701 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:30,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions.
[2020-08-21 14:07:30,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2020-08-21 14:07:30,703 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:30,704 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-08-21 14:07:30,704 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 14:07:30,704 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:30,704 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:30,704 INFO  L82        PathProgramCache]: Analyzing trace with hash -1321928473, now seen corresponding path program 1 times
[2020-08-21 14:07:30,705 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,705 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708791014]
[2020-08-21 14:07:30,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:30,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,776 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:30,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:30,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-08-21 14:07:30,786 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708791014]
[2020-08-21 14:07:30,787 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:30,787 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:30,787 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787557738]
[2020-08-21 14:07:30,788 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:30,788 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:30,788 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:30,789 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:30,789 INFO  L87              Difference]: Start difference. First operand 151 states and 218 transitions. Second operand 3 states.
[2020-08-21 14:07:31,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:31,036 INFO  L93              Difference]: Finished difference Result 338 states and 506 transitions.
[2020-08-21 14:07:31,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:31,038 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 73
[2020-08-21 14:07:31,039 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:31,040 INFO  L225             Difference]: With dead ends: 338
[2020-08-21 14:07:31,041 INFO  L226             Difference]: Without dead ends: 201
[2020-08-21 14:07:31,042 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,043 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2020-08-21 14:07:31,054 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 192.
[2020-08-21 14:07:31,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 192 states.
[2020-08-21 14:07:31,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 268 transitions.
[2020-08-21 14:07:31,056 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 268 transitions. Word has length 73
[2020-08-21 14:07:31,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:31,057 INFO  L479      AbstractCegarLoop]: Abstraction has 192 states and 268 transitions.
[2020-08-21 14:07:31,057 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:31,057 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions.
[2020-08-21 14:07:31,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2020-08-21 14:07:31,059 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:31,059 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-08-21 14:07:31,059 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 14:07:31,060 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:31,060 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:31,060 INFO  L82        PathProgramCache]: Analyzing trace with hash 1167600489, now seen corresponding path program 1 times
[2020-08-21 14:07:31,060 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,061 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166516026]
[2020-08-21 14:07:31,061 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:31,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,117 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:31,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-08-21 14:07:31,122 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166516026]
[2020-08-21 14:07:31,125 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:31,125 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:31,125 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569637631]
[2020-08-21 14:07:31,126 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:31,126 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,126 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:31,127 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,127 INFO  L87              Difference]: Start difference. First operand 192 states and 268 transitions. Second operand 3 states.
[2020-08-21 14:07:31,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:31,273 INFO  L93              Difference]: Finished difference Result 392 states and 557 transitions.
[2020-08-21 14:07:31,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:31,274 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 73
[2020-08-21 14:07:31,275 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:31,276 INFO  L225             Difference]: With dead ends: 392
[2020-08-21 14:07:31,276 INFO  L226             Difference]: Without dead ends: 215
[2020-08-21 14:07:31,277 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2020-08-21 14:07:31,287 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211.
[2020-08-21 14:07:31,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 211 states.
[2020-08-21 14:07:31,289 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 292 transitions.
[2020-08-21 14:07:31,289 INFO  L78                 Accepts]: Start accepts. Automaton has 211 states and 292 transitions. Word has length 73
[2020-08-21 14:07:31,290 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:31,290 INFO  L479      AbstractCegarLoop]: Abstraction has 211 states and 292 transitions.
[2020-08-21 14:07:31,290 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:31,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 211 states and 292 transitions.
[2020-08-21 14:07:31,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2020-08-21 14:07:31,292 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:31,293 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 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, 1, 1, 1, 1]
[2020-08-21 14:07:31,293 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 14:07:31,293 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:31,293 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:31,293 INFO  L82        PathProgramCache]: Analyzing trace with hash -1476060097, now seen corresponding path program 1 times
[2020-08-21 14:07:31,294 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,294 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028896873]
[2020-08-21 14:07:31,294 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:31,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,363 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:31,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2020-08-21 14:07:31,373 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028896873]
[2020-08-21 14:07:31,374 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:31,374 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:31,375 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625494866]
[2020-08-21 14:07:31,375 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:31,375 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,376 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:31,377 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,380 INFO  L87              Difference]: Start difference. First operand 211 states and 292 transitions. Second operand 3 states.
[2020-08-21 14:07:31,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:31,546 INFO  L93              Difference]: Finished difference Result 431 states and 607 transitions.
[2020-08-21 14:07:31,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:31,547 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 89
[2020-08-21 14:07:31,548 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:31,549 INFO  L225             Difference]: With dead ends: 431
[2020-08-21 14:07:31,549 INFO  L226             Difference]: Without dead ends: 235
[2020-08-21 14:07:31,551 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,551 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2020-08-21 14:07:31,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 232.
[2020-08-21 14:07:31,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 232 states.
[2020-08-21 14:07:31,561 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 318 transitions.
[2020-08-21 14:07:31,561 INFO  L78                 Accepts]: Start accepts. Automaton has 232 states and 318 transitions. Word has length 89
[2020-08-21 14:07:31,562 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:31,562 INFO  L479      AbstractCegarLoop]: Abstraction has 232 states and 318 transitions.
[2020-08-21 14:07:31,562 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:31,562 INFO  L276                IsEmpty]: Start isEmpty. Operand 232 states and 318 transitions.
[2020-08-21 14:07:31,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2020-08-21 14:07:31,564 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:31,565 INFO  L422         BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 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, 1]
[2020-08-21 14:07:31,565 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-21 14:07:31,565 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:31,565 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:31,566 INFO  L82        PathProgramCache]: Analyzing trace with hash 452791927, now seen corresponding path program 1 times
[2020-08-21 14:07:31,566 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,566 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523979049]
[2020-08-21 14:07:31,566 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:31,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:07:31,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:07:31,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-08-21 14:07:31,668 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523979049]
[2020-08-21 14:07:31,668 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:07:31,668 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:07:31,669 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556200202]
[2020-08-21 14:07:31,670 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:07:31,670 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,670 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:07:31,671 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,672 INFO  L87              Difference]: Start difference. First operand 232 states and 318 transitions. Second operand 3 states.
[2020-08-21 14:07:31,724 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:07:31,725 INFO  L93              Difference]: Finished difference Result 664 states and 915 transitions.
[2020-08-21 14:07:31,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:07:31,726 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 109
[2020-08-21 14:07:31,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:07:31,730 INFO  L225             Difference]: With dead ends: 664
[2020-08-21 14:07:31,730 INFO  L226             Difference]: Without dead ends: 447
[2020-08-21 14:07:31,731 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:07:31,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 447 states.
[2020-08-21 14:07:31,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447.
[2020-08-21 14:07:31,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 447 states.
[2020-08-21 14:07:31,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 613 transitions.
[2020-08-21 14:07:31,757 INFO  L78                 Accepts]: Start accepts. Automaton has 447 states and 613 transitions. Word has length 109
[2020-08-21 14:07:31,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:07:31,758 INFO  L479      AbstractCegarLoop]: Abstraction has 447 states and 613 transitions.
[2020-08-21 14:07:31,758 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:07:31,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 447 states and 613 transitions.
[2020-08-21 14:07:31,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2020-08-21 14:07:31,761 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:07:31,761 INFO  L422         BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 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, 1, 1, 1]
[2020-08-21 14:07:31,761 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-08-21 14:07:31,762 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:07:31,762 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:07:31,762 INFO  L82        PathProgramCache]: Analyzing trace with hash 1076525473, now seen corresponding path program 1 times
[2020-08-21 14:07:31,763 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:07:31,763 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257845707]
[2020-08-21 14:07:31,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:07:31,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-21 14:07:31,805 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-21 14:07:31,805 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-08-21 14:07:31,810 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-08-21 14:07:31,859 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:07:31 BoogieIcfgContainer
[2020-08-21 14:07:31,859 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 14:07:31,863 INFO  L168              Benchmark]: Toolchain (without parser) took 3965.97 ms. Allocated memory was 141.0 MB in the beginning and 245.4 MB in the end (delta: 104.3 MB). Free memory was 102.2 MB in the beginning and 165.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,868 INFO  L168              Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,869 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 504.62 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 179.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,870 INFO  L168              Benchmark]: Boogie Preprocessor took 55.06 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,871 INFO  L168              Benchmark]: RCFGBuilder took 790.81 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 130.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,872 INFO  L168              Benchmark]: TraceAbstraction took 2606.93 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 130.0 MB in the beginning and 165.5 MB in the end (delta: -35.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB.
[2020-08-21 14:07:31,885 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 504.62 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 179.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 55.06 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 790.81 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 130.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 2606.93 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 130.0 MB in the beginning and 165.5 MB in the end (delta: -35.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L548]              int s ;
[L552]              s = 12292
[L553]  CALL        ssl3_connect(12292)
[L11]               int s__info_callback = __VERIFIER_nondet_int() ;
[L12]               int s__in_handshake = __VERIFIER_nondet_int() ;
[L13]               int s__state ;
[L14]               int s__new_session ;
[L15]               int s__server ;
[L16]               int s__version = __VERIFIER_nondet_int() ;
[L17]               int s__type ;
[L18]               int s__init_num ;
[L19]               int s__bbio = __VERIFIER_nondet_int() ;
[L20]               int s__wbio = __VERIFIER_nondet_int() ;
[L21]               int s__hit = __VERIFIER_nondet_int() ;
[L22]               int s__rwstate ;
[L23]               int s__init_buf___0 = 1;
[L24]               int s__debug = __VERIFIER_nondet_int() ;
[L25]               int s__shutdown ;
[L26]               int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L27]               int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ;
[L28]               int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ;
[L29]               int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ;
[L30]               int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ;
[L31]               int s__s3__change_cipher_spec ;
[L32]               int s__s3__flags ;
[L33]               int s__s3__delay_buf_pop_ret ;
[L34]               int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ;
[L35]               int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ;
[L36]               int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L37]               int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L38]               int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L39]               int s__s3__tmp__next_state___0 ;
[L40]               int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ;
[L41]               int s__session__cipher ;
[L42]               int s__session__compress_meth ;
[L43]               int buf ;
[L44]               unsigned long tmp ;
[L45]               unsigned long l ;
[L46]               int num1 ;
[L47]               int cb ;
[L48]               int ret ;
[L49]               int new_state ;
[L50]               int state ;
[L51]               int skip ;
[L52]               int tmp___0 ;
[L53]               int tmp___1 = __VERIFIER_nondet_int() ;
[L54]               int tmp___2 = __VERIFIER_nondet_int() ;
[L55]               int tmp___3 = __VERIFIER_nondet_int() ;
[L56]               int tmp___4 = __VERIFIER_nondet_int() ;
[L57]               int tmp___5 = __VERIFIER_nondet_int() ;
[L58]               int tmp___6 = __VERIFIER_nondet_int() ;
[L59]               int tmp___7 = __VERIFIER_nondet_int() ;
[L60]               int tmp___8 = __VERIFIER_nondet_int() ;
[L61]               int tmp___9 = __VERIFIER_nondet_int() ;
[L62]               int blastFlag ;
[L63]               int __cil_tmp55 ;
[L64]               long __cil_tmp56 ;
[L65]               long __cil_tmp57 ;
[L66]               long __cil_tmp58 ;
[L67]               long __cil_tmp59 ;
[L68]               long __cil_tmp60 ;
[L69]               long __cil_tmp61 ;
[L70]               long __cil_tmp62 ;
[L71]               long __cil_tmp63 ;
[L72]               long __cil_tmp64 ;
[L76]               s__state = initial_state
[L77]               blastFlag = 0
[L78]               tmp = __VERIFIER_nondet_int()
[L79]               cb = 0
[L80]               ret = -1
[L81]               skip = 0
[L82]               tmp___0 = 0
[L83]   COND TRUE   s__info_callback != 0
[L84]               cb = s__info_callback
[L90]               s__in_handshake ++
[L91]   COND FALSE  !(tmp___1 - 12288)
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND TRUE   s__state == 12292
[L202]              s__new_session = 1
[L203]              s__state = 4096
[L204]              s__ctx__stats__sess_connect_renegotiate ++
[L209]              s__server = 0
[L210]  COND TRUE   cb != 0
[L214]              __cil_tmp55 = s__version - 65280
[L215]  COND FALSE  !(__cil_tmp55 != 768)
[L220]              s__type = 4096
[L221]  COND FALSE  !(s__init_buf___0 == 0)
[L233]  COND FALSE  !(! tmp___4)
[L237]  COND FALSE  !(! tmp___5)
[L241]              s__state = 4368
[L242]              s__ctx__stats__sess_connect ++
[L243]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND TRUE   s__state == 4368
[L247]              s__shutdown = 0
[L248]              ret = __VERIFIER_nondet_int()
[L249]  COND TRUE   blastFlag == 0
[L250]              blastFlag = 1
[L252]  COND FALSE  !(ret <= 0)
[L255]              s__state = 4384
[L256]              s__init_num = 0
[L257]  COND TRUE   s__bbio != s__wbio
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND TRUE   s__state == 4384
[L263]              ret = __VERIFIER_nondet_int()
[L264]  COND TRUE   blastFlag == 1
[L265]              blastFlag = 2
[L267]  COND FALSE  !(ret <= 0)
[L270]  COND FALSE  !(\read(s__hit))
[L273]              s__state = 4400
[L275]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND TRUE   s__state == 4400
[L279]  COND FALSE  !(s__s3__tmp__new_cipher__algorithms - 256)
[L282]              ret = __VERIFIER_nondet_int()
[L283]  COND TRUE   blastFlag == 2
[L284]              blastFlag = 3
[L286]  COND FALSE  !(ret <= 0)
[L290]              s__state = 4416
[L291]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND FALSE  !(s__state == 4400)
[L130]  COND FALSE  !(s__state == 4401)
[L133]  COND TRUE   s__state == 4416
[L295]              ret = __VERIFIER_nondet_int()
[L296]  COND TRUE   blastFlag == 3
[L297]              blastFlag = 4
[L299]  COND FALSE  !(ret <= 0)
[L302]              s__state = 4432
[L303]              s__init_num = 0
[L304]  COND FALSE  !(! tmp___6)
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND FALSE  !(s__state == 4400)
[L130]  COND FALSE  !(s__state == 4401)
[L133]  COND FALSE  !(s__state == 4416)
[L136]  COND FALSE  !(s__state == 4417)
[L139]  COND TRUE   s__state == 4432
[L311]              ret = __VERIFIER_nondet_int()
[L312]  COND TRUE   blastFlag == 4
[L543]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1262 SDtfs, 454 SDslu, 706 SDs, 0 SdLazy, 622 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=447occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 582 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 464 ConstructedInterpolants, 0 QuantifiedInterpolants, 54396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...