/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:43:30,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:43:30,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:43:30,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:43:30,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:43:30,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:43:30,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:43:30,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:43:30,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:43:30,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:43:30,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:43:30,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:43:30,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:43:30,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:43:30,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:43:30,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:43:30,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:43:30,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:43:30,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:43:30,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:43:30,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:43:30,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:43:30,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:43:30,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:43:30,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:43:30,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:43:30,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:43:30,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:43:30,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:43:30,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:43:30,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:43:30,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:43:30,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:43:30,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:43:30,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:43:30,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:43:30,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:43:30,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:43:30,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:43:30,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:43:30,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:43:30,410 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 [2020-08-18 22:43:30,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:43:30,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:43:30,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:43:30,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:43:30,460 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:43:30,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:43:30,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:43:30,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:43:30,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:43:30,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:43:30,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:43:30,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:43:30,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:43:30,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:43:30,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:43:30,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:43:30,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:43:30,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:43:30,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:43:30,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:43:30,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:43:30,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:43:30,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:43:30,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:43:30,466 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 -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:43:30,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:43:30,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:43:30,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:43:30,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:43:30,784 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:43:30,786 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-08-18 22:43:30,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605fbb72c/bfe9b75dd77044e3beefd00e404e1345/FLAG920d11ec4 [2020-08-18 22:43:31,402 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:43:31,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-08-18 22:43:31,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605fbb72c/bfe9b75dd77044e3beefd00e404e1345/FLAG920d11ec4 [2020-08-18 22:43:31,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605fbb72c/bfe9b75dd77044e3beefd00e404e1345 [2020-08-18 22:43:31,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:43:31,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:43:31,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:43:31,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:43:31,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:43:31,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:43:31" (1/1) ... [2020-08-18 22:43:31,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:31, skipping insertion in model container [2020-08-18 22:43:31,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:43:31" (1/1) ... [2020-08-18 22:43:31,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:43:31,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:43:32,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:43:32,063 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:43:32,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:43:32,242 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:43:32,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32 WrapperNode [2020-08-18 22:43:32,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:43:32,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:43:32,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:43:32,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:43:32,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (1/1) ... [2020-08-18 22:43:32,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:43:32,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:43:32,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:43:32,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:43:32,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (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 [2020-08-18 22:43:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:43:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:43:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-18 22:43:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:43:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:43:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:43:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:43:32,519 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 22:43:33,056 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-08-18 22:43:33,056 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-08-18 22:43:33,074 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:43:33,075 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 22:43:33,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:43:33 BoogieIcfgContainer [2020-08-18 22:43:33,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:43:33,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:43:33,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:43:33,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:43:33,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:43:31" (1/3) ... [2020-08-18 22:43:33,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b5fa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:43:33, skipping insertion in model container [2020-08-18 22:43:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:43:32" (2/3) ... [2020-08-18 22:43:33,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b5fa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:43:33, skipping insertion in model container [2020-08-18 22:43:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:43:33" (3/3) ... [2020-08-18 22:43:33,090 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2020-08-18 22:43:33,102 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:43:33,110 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:43:33,125 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:43:33,152 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:43:33,153 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:43:33,153 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:43:33,153 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:43:33,154 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:43:33,154 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:43:33,154 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:43:33,154 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:43:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-08-18 22:43:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-18 22:43:33,192 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:33,193 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] [2020-08-18 22:43:33,194 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:33,200 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-08-18 22:43:33,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:33,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428258375] [2020-08-18 22:43:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:43:33,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428258375] [2020-08-18 22:43:33,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:33,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 22:43:33,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038985772] [2020-08-18 22:43:33,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:43:33,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:33,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:43:33,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:43:33,573 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-08-18 22:43:33,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:33,870 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-08-18 22:43:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:43:33,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-08-18 22:43:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:33,887 INFO L225 Difference]: With dead ends: 263 [2020-08-18 22:43:33,887 INFO L226 Difference]: Without dead ends: 120 [2020-08-18 22:43:33,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 22:43:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-18 22:43:33,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-08-18 22:43:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-18 22:43:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-08-18 22:43:33,951 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-08-18 22:43:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:33,952 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-08-18 22:43:33,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:43:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-08-18 22:43:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-18 22:43:33,954 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:33,954 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] [2020-08-18 22:43:33,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:43:33,955 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:33,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:33,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-08-18 22:43:33,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:33,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299560610] [2020-08-18 22:43:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:43:34,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299560610] [2020-08-18 22:43:34,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:34,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:34,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621420699] [2020-08-18 22:43:34,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:34,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:34,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:34,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:34,116 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-08-18 22:43:34,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:34,298 INFO L93 Difference]: Finished difference Result 244 states and 367 transitions. [2020-08-18 22:43:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:34,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-08-18 22:43:34,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:34,301 INFO L225 Difference]: With dead ends: 244 [2020-08-18 22:43:34,301 INFO L226 Difference]: Without dead ends: 139 [2020-08-18 22:43:34,304 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 [2020-08-18 22:43:34,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-18 22:43:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-08-18 22:43:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-08-18 22:43:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2020-08-18 22:43:34,340 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 42 [2020-08-18 22:43:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:34,341 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2020-08-18 22:43:34,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2020-08-18 22:43:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 22:43:34,349 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:34,349 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] [2020-08-18 22:43:34,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:43:34,352 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:34,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:34,353 INFO L82 PathProgramCache]: Analyzing trace with hash 907172913, now seen corresponding path program 1 times [2020-08-18 22:43:34,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:34,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931060920] [2020-08-18 22:43:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 22:43:34,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931060920] [2020-08-18 22:43:34,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:34,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:34,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86251664] [2020-08-18 22:43:34,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:34,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:34,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:34,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:34,504 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 3 states. [2020-08-18 22:43:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:34,669 INFO L93 Difference]: Finished difference Result 276 states and 411 transitions. [2020-08-18 22:43:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:34,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-08-18 22:43:34,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:34,672 INFO L225 Difference]: With dead ends: 276 [2020-08-18 22:43:34,673 INFO L226 Difference]: Without dead ends: 156 [2020-08-18 22:43:34,674 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 [2020-08-18 22:43:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-08-18 22:43:34,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2020-08-18 22:43:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-18 22:43:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 219 transitions. [2020-08-18 22:43:34,687 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 219 transitions. Word has length 56 [2020-08-18 22:43:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:34,687 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 219 transitions. [2020-08-18 22:43:34,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 219 transitions. [2020-08-18 22:43:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-18 22:43:34,690 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:34,690 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] [2020-08-18 22:43:34,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:43:34,690 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:34,691 INFO L82 PathProgramCache]: Analyzing trace with hash -274979038, now seen corresponding path program 1 times [2020-08-18 22:43:34,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:34,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119383704] [2020-08-18 22:43:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 22:43:34,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119383704] [2020-08-18 22:43:34,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:34,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:34,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464784287] [2020-08-18 22:43:34,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:34,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:34,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:34,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:34,788 INFO L87 Difference]: Start difference. First operand 152 states and 219 transitions. Second operand 3 states. [2020-08-18 22:43:35,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:35,024 INFO L93 Difference]: Finished difference Result 340 states and 508 transitions. [2020-08-18 22:43:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:35,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-18 22:43:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:35,027 INFO L225 Difference]: With dead ends: 340 [2020-08-18 22:43:35,027 INFO L226 Difference]: Without dead ends: 202 [2020-08-18 22:43:35,028 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 [2020-08-18 22:43:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-08-18 22:43:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193. [2020-08-18 22:43:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-08-18 22:43:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2020-08-18 22:43:35,040 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 73 [2020-08-18 22:43:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:35,041 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2020-08-18 22:43:35,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2020-08-18 22:43:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-18 22:43:35,043 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:35,043 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] [2020-08-18 22:43:35,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:43:35,044 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:35,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2080417372, now seen corresponding path program 1 times [2020-08-18 22:43:35,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:35,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47314951] [2020-08-18 22:43:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 22:43:35,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47314951] [2020-08-18 22:43:35,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:35,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:35,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856466617] [2020-08-18 22:43:35,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:35,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:35,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:35,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:35,107 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand 3 states. [2020-08-18 22:43:35,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:35,256 INFO L93 Difference]: Finished difference Result 395 states and 560 transitions. [2020-08-18 22:43:35,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:35,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-18 22:43:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:35,259 INFO L225 Difference]: With dead ends: 395 [2020-08-18 22:43:35,259 INFO L226 Difference]: Without dead ends: 217 [2020-08-18 22:43:35,260 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 [2020-08-18 22:43:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-18 22:43:35,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2020-08-18 22:43:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-18 22:43:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2020-08-18 22:43:35,271 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 73 [2020-08-18 22:43:35,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:35,272 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2020-08-18 22:43:35,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2020-08-18 22:43:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-08-18 22:43:35,274 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:35,274 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, 1] [2020-08-18 22:43:35,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:43:35,275 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:35,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1460189827, now seen corresponding path program 1 times [2020-08-18 22:43:35,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:35,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496999733] [2020-08-18 22:43:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-08-18 22:43:35,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496999733] [2020-08-18 22:43:35,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:35,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:35,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217643762] [2020-08-18 22:43:35,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:35,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:35,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:35,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:35,398 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand 3 states. [2020-08-18 22:43:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:35,554 INFO L93 Difference]: Finished difference Result 433 states and 609 transitions. [2020-08-18 22:43:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:35,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-08-18 22:43:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:35,557 INFO L225 Difference]: With dead ends: 433 [2020-08-18 22:43:35,557 INFO L226 Difference]: Without dead ends: 236 [2020-08-18 22:43:35,558 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 [2020-08-18 22:43:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-08-18 22:43:35,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-08-18 22:43:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-18 22:43:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2020-08-18 22:43:35,568 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 90 [2020-08-18 22:43:35,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:35,568 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2020-08-18 22:43:35,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2020-08-18 22:43:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 22:43:35,570 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:35,570 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] [2020-08-18 22:43:35,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 22:43:35,571 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1133024459, now seen corresponding path program 1 times [2020-08-18 22:43:35,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:35,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085233083] [2020-08-18 22:43:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:43:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:43:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-18 22:43:35,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085233083] [2020-08-18 22:43:35,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:43:35,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:43:35,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421761346] [2020-08-18 22:43:35,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:43:35,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:43:35,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:43:35,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:43:35,684 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand 3 states. [2020-08-18 22:43:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:43:35,757 INFO L93 Difference]: Finished difference Result 667 states and 918 transitions. [2020-08-18 22:43:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:43:35,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-08-18 22:43:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:43:35,760 INFO L225 Difference]: With dead ends: 667 [2020-08-18 22:43:35,761 INFO L226 Difference]: Without dead ends: 449 [2020-08-18 22:43:35,763 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 [2020-08-18 22:43:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-08-18 22:43:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-08-18 22:43:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-08-18 22:43:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2020-08-18 22:43:35,780 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 615 transitions. Word has length 110 [2020-08-18 22:43:35,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:43:35,780 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 615 transitions. [2020-08-18 22:43:35,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:43:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 615 transitions. [2020-08-18 22:43:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-18 22:43:35,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:43:35,782 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, 1] [2020-08-18 22:43:35,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 22:43:35,783 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:43:35,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:43:35,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2036262431, now seen corresponding path program 1 times [2020-08-18 22:43:35,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:43:35,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343168662] [2020-08-18 22:43:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:43:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-18 22:43:35,831 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-18 22:43:35,831 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-18 22:43:35,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 22:43:35,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:43:35 BoogieIcfgContainer [2020-08-18 22:43:35,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:43:35,873 INFO L168 Benchmark]: Toolchain (without parser) took 4133.69 ms. Allocated memory was 141.0 MB in the beginning and 244.8 MB in the end (delta: 103.8 MB). Free memory was 103.7 MB in the beginning and 159.6 MB in the end (delta: -56.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2020-08-18 22:43:35,874 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 22:43:35,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.44 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.3 MB in the beginning and 180.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-08-18 22:43:35,876 INFO L168 Benchmark]: Boogie Preprocessor took 56.43 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-08-18 22:43:35,877 INFO L168 Benchmark]: RCFGBuilder took 780.32 ms. Allocated memory is still 203.9 MB. Free memory was 177.5 MB in the beginning and 130.4 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:43:35,878 INFO L168 Benchmark]: TraceAbstraction took 2787.98 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 129.7 MB in the beginning and 159.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:43:35,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 503.44 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.3 MB in the beginning and 180.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.43 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 780.32 ms. Allocated memory is still 203.9 MB. Free memory was 177.5 MB in the beginning and 130.4 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2787.98 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 129.7 MB in the beginning and 159.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 548]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L553] int s ; [L557] s = 12292 [L558] CALL ssl3_connect(s) [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] unsigned 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 ; [L73] long __cil_tmp65 ; [L77] s__state = initial_state [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback [L91] s__in_handshake ++ [L92] COND FALSE !(tmp___1 - 12288) [L98] COND TRUE 1 [L100] state = s__state [L101] COND TRUE s__state == 12292 [L203] s__new_session = 1 [L204] s__state = 4096 [L205] s__ctx__stats__sess_connect_renegotiate ++ [L210] s__server = 0 [L211] COND TRUE cb != 0 [L215] __cil_tmp55 = s__version - 65280 [L216] COND FALSE !(__cil_tmp55 != 768) [L221] s__type = 4096 [L222] COND FALSE !(s__init_buf___0 == 0) [L234] COND FALSE !(! tmp___4) [L238] COND FALSE !(! tmp___5) [L242] s__state = 4368 [L243] s__ctx__stats__sess_connect ++ [L244] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND TRUE s__state == 4368 [L248] s__shutdown = 0 [L249] ret = __VERIFIER_nondet_int() [L250] COND TRUE blastFlag == 0 [L251] blastFlag = 1 [L257] COND FALSE !(ret <= 0) [L260] s__state = 4384 [L261] s__init_num = 0 [L262] COND TRUE s__bbio != s__wbio [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND TRUE s__state == 4384 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 1 [L270] blastFlag = 2 [L272] COND FALSE !(ret <= 0) [L275] COND FALSE !(\read(s__hit)) [L278] s__state = 4400 [L280] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND TRUE s__state == 4400 [L285] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L286] COND FALSE !(__cil_tmp56 - 256UL) [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 2 [L291] blastFlag = 3 [L293] COND FALSE !(ret <= 0) [L298] s__state = 4416 [L299] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND TRUE s__state == 4416 [L303] ret = __VERIFIER_nondet_int() [L304] COND TRUE blastFlag == 3 [L305] blastFlag = 4 [L307] COND FALSE !(ret <= 0) [L310] s__state = 4432 [L311] s__init_num = 0 [L312] COND FALSE !(! tmp___6) [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND FALSE !(s__state == 4416) [L137] COND FALSE !(s__state == 4417) [L140] COND TRUE s__state == 4432 [L319] ret = __VERIFIER_nondet_int() [L320] COND TRUE blastFlag == 4 [L548] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1269 SDtfs, 460 SDslu, 927 SDs, 0 SdLazy, 625 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred 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, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 55282 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...