/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 18:08:50,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 18:08:50,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 18:08:50,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 18:08:50,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 18:08:50,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 18:08:50,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 18:08:50,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 18:08:50,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 18:08:50,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 18:08:50,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 18:08:50,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 18:08:50,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 18:08:50,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 18:08:50,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 18:08:50,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 18:08:50,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 18:08:50,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 18:08:50,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 18:08:50,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 18:08:50,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 18:08:50,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 18:08:50,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 18:08:50,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 18:08:50,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 18:08:50,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 18:08:50,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 18:08:50,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 18:08:50,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 18:08:50,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 18:08:50,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 18:08:50,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 18:08:50,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 18:08:50,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 18:08:50,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 18:08:50,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 18:08:50,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 18:08:50,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 18:08:50,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 18:08:50,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 18:08:50,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 18:08:50,345 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 18:08:50,389 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 18:08:50,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 18:08:50,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 18:08:50,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 18:08:50,392 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 18:08:50,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 18:08:50,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 18:08:50,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 18:08:50,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 18:08:50,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 18:08:50,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 18:08:50,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 18:08:50,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 18:08:50,395 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 18:08:50,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 18:08:50,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 18:08:50,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 18:08:50,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 18:08:50,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 18:08:50,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 18:08:50,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 18:08:50,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:08:50,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 18:08:50,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 18:08:50,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 18:08:50,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 18:08:50,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 18:08:50,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 18:08:50,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 18:08:50,399 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=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-08-21 18:08:50,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 18:08:50,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 18:08:50,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 18:08:50,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 18:08:50,740 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 18:08:50,740 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-08-21 18:08:50,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b36513da/f8ebada45ebb4b4983171a96990abc92/FLAG31c908245 [2020-08-21 18:08:51,299 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 18:08:51,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-08-21 18:08:51,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b36513da/f8ebada45ebb4b4983171a96990abc92/FLAG31c908245 [2020-08-21 18:08:51,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b36513da/f8ebada45ebb4b4983171a96990abc92 [2020-08-21 18:08:51,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 18:08:51,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 18:08:51,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 18:08:51,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 18:08:51,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 18:08:51,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:08:51" (1/1) ... [2020-08-21 18:08:51,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7105da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:51, skipping insertion in model container [2020-08-21 18:08:51,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:08:51" (1/1) ... [2020-08-21 18:08:51,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 18:08:51,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 18:08:51,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:08:51,982 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 18:08:52,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:08:52,196 INFO L208 MainTranslator]: Completed translation [2020-08-21 18:08:52,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52 WrapperNode [2020-08-21 18:08:52,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 18:08:52,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 18:08:52,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 18:08:52,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 18:08:52,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (1/1) ... [2020-08-21 18:08:52,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 18:08:52,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 18:08:52,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 18:08:52,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 18:08:52,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (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 18:08:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 18:08:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 18:08:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-21 18:08:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 18:08:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 18:08:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-21 18:08:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 18:08:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-21 18:08:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-21 18:08:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 18:08:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 18:08:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 18:08:52,548 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-21 18:08:53,027 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-08-21 18:08:53,028 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-08-21 18:08:53,048 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 18:08:53,048 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 18:08:53,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:08:53 BoogieIcfgContainer [2020-08-21 18:08:53,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 18:08:53,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 18:08:53,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 18:08:53,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 18:08:53,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 06:08:51" (1/3) ... [2020-08-21 18:08:53,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441742c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:08:53, skipping insertion in model container [2020-08-21 18:08:53,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:08:52" (2/3) ... [2020-08-21 18:08:53,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441742c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:08:53, skipping insertion in model container [2020-08-21 18:08:53,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:08:53" (3/3) ... [2020-08-21 18:08:53,063 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2020-08-21 18:08:53,075 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 18:08:53,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 18:08:53,099 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 18:08:53,126 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 18:08:53,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 18:08:53,127 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 18:08:53,127 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 18:08:53,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 18:08:53,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 18:08:53,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 18:08:53,128 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 18:08:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-08-21 18:08:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-21 18:08:53,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:53,162 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 18:08:53,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:53,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:53,169 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-08-21 18:08:53,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:53,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543963740] [2020-08-21 18:08:53,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:53,541 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 18:08:53,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543963740] [2020-08-21 18:08:53,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:53,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 18:08:53,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271598806] [2020-08-21 18:08:53,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 18:08:53,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:53,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 18:08:53,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:08:53,573 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-08-21 18:08:53,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:53,877 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-08-21 18:08:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 18:08:53,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-08-21 18:08:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:53,894 INFO L225 Difference]: With dead ends: 263 [2020-08-21 18:08:53,895 INFO L226 Difference]: Without dead ends: 120 [2020-08-21 18:08:53,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 18:08:53,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-21 18:08:53,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-08-21 18:08:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-21 18:08:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-08-21 18:08:53,962 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-08-21 18:08:53,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:53,963 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-08-21 18:08:53,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 18:08:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-08-21 18:08:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-21 18:08:53,966 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:53,966 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 18:08:53,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 18:08:53,967 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:53,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-08-21 18:08:53,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:53,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084077879] [2020-08-21 18:08:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,118 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 18:08:54,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084077879] [2020-08-21 18:08:54,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:54,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:54,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092669682] [2020-08-21 18:08:54,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:54,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:54,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:54,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:54,123 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-08-21 18:08:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:54,308 INFO L93 Difference]: Finished difference Result 244 states and 367 transitions. [2020-08-21 18:08:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:54,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-08-21 18:08:54,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:54,311 INFO L225 Difference]: With dead ends: 244 [2020-08-21 18:08:54,311 INFO L226 Difference]: Without dead ends: 139 [2020-08-21 18:08:54,313 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 18:08:54,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-21 18:08:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-08-21 18:08:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-08-21 18:08:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2020-08-21 18:08:54,329 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 42 [2020-08-21 18:08:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:54,329 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2020-08-21 18:08:54,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2020-08-21 18:08:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 18:08:54,332 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:54,332 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 18:08:54,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 18:08:54,332 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash 907172913, now seen corresponding path program 1 times [2020-08-21 18:08:54,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:54,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020871740] [2020-08-21 18:08:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,432 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 18:08:54,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020871740] [2020-08-21 18:08:54,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:54,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:54,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397565363] [2020-08-21 18:08:54,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:54,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:54,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:54,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:54,435 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 3 states. [2020-08-21 18:08:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:54,609 INFO L93 Difference]: Finished difference Result 276 states and 411 transitions. [2020-08-21 18:08:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:54,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-08-21 18:08:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:54,613 INFO L225 Difference]: With dead ends: 276 [2020-08-21 18:08:54,614 INFO L226 Difference]: Without dead ends: 156 [2020-08-21 18:08:54,617 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 18:08:54,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-08-21 18:08:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2020-08-21 18:08:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-21 18:08:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 219 transitions. [2020-08-21 18:08:54,646 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 219 transitions. Word has length 56 [2020-08-21 18:08:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:54,650 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 219 transitions. [2020-08-21 18:08:54,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 219 transitions. [2020-08-21 18:08:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 18:08:54,655 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:54,655 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 18:08:54,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 18:08:54,655 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash -274979038, now seen corresponding path program 1 times [2020-08-21 18:08:54,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:54,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623693581] [2020-08-21 18:08:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:54,777 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 18:08:54,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623693581] [2020-08-21 18:08:54,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:54,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:54,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955954011] [2020-08-21 18:08:54,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:54,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:54,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:54,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:54,780 INFO L87 Difference]: Start difference. First operand 152 states and 219 transitions. Second operand 3 states. [2020-08-21 18:08:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:55,011 INFO L93 Difference]: Finished difference Result 340 states and 508 transitions. [2020-08-21 18:08:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:55,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 18:08:55,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:55,013 INFO L225 Difference]: With dead ends: 340 [2020-08-21 18:08:55,014 INFO L226 Difference]: Without dead ends: 202 [2020-08-21 18:08:55,015 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 18:08:55,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-08-21 18:08:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193. [2020-08-21 18:08:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-08-21 18:08:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2020-08-21 18:08:55,029 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 73 [2020-08-21 18:08:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:55,030 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2020-08-21 18:08:55,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2020-08-21 18:08:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 18:08:55,033 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:55,033 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 18:08:55,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 18:08:55,033 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:55,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:55,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2080417372, now seen corresponding path program 1 times [2020-08-21 18:08:55,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:55,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457541854] [2020-08-21 18:08:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,103 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 18:08:55,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457541854] [2020-08-21 18:08:55,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:55,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:55,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877506097] [2020-08-21 18:08:55,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:55,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:55,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:55,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:55,107 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand 3 states. [2020-08-21 18:08:55,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:55,264 INFO L93 Difference]: Finished difference Result 395 states and 560 transitions. [2020-08-21 18:08:55,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:55,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 18:08:55,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:55,266 INFO L225 Difference]: With dead ends: 395 [2020-08-21 18:08:55,267 INFO L226 Difference]: Without dead ends: 217 [2020-08-21 18:08:55,268 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 18:08:55,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-21 18:08:55,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2020-08-21 18:08:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-21 18:08:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2020-08-21 18:08:55,280 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 73 [2020-08-21 18:08:55,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:55,281 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2020-08-21 18:08:55,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2020-08-21 18:08:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-08-21 18:08:55,284 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:55,284 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] [2020-08-21 18:08:55,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 18:08:55,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:55,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:55,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1460189827, now seen corresponding path program 1 times [2020-08-21 18:08:55,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:55,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601697993] [2020-08-21 18:08:55,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,373 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 18:08:55,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601697993] [2020-08-21 18:08:55,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:55,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:55,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132257819] [2020-08-21 18:08:55,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:55,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:55,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:55,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:55,376 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand 3 states. [2020-08-21 18:08:55,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:55,539 INFO L93 Difference]: Finished difference Result 433 states and 609 transitions. [2020-08-21 18:08:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:55,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-08-21 18:08:55,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:55,542 INFO L225 Difference]: With dead ends: 433 [2020-08-21 18:08:55,542 INFO L226 Difference]: Without dead ends: 236 [2020-08-21 18:08:55,543 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 18:08:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-08-21 18:08:55,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-08-21 18:08:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-21 18:08:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2020-08-21 18:08:55,553 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 90 [2020-08-21 18:08:55,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:55,554 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2020-08-21 18:08:55,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2020-08-21 18:08:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 18:08:55,556 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:55,557 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] [2020-08-21 18:08:55,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 18:08:55,557 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:55,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:55,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1133024459, now seen corresponding path program 1 times [2020-08-21 18:08:55,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:55,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21613273] [2020-08-21 18:08:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:08:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:08:55,659 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 18:08:55,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21613273] [2020-08-21 18:08:55,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:08:55,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:08:55,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876620383] [2020-08-21 18:08:55,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:08:55,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:08:55,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:08:55,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:08:55,662 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand 3 states. [2020-08-21 18:08:55,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:08:55,705 INFO L93 Difference]: Finished difference Result 667 states and 918 transitions. [2020-08-21 18:08:55,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:08:55,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-08-21 18:08:55,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:08:55,708 INFO L225 Difference]: With dead ends: 667 [2020-08-21 18:08:55,709 INFO L226 Difference]: Without dead ends: 449 [2020-08-21 18:08:55,710 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 18:08:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-08-21 18:08:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-08-21 18:08:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-08-21 18:08:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2020-08-21 18:08:55,727 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 615 transitions. Word has length 110 [2020-08-21 18:08:55,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:08:55,727 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 615 transitions. [2020-08-21 18:08:55,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:08:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 615 transitions. [2020-08-21 18:08:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-21 18:08:55,729 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:08:55,730 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] [2020-08-21 18:08:55,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 18:08:55,730 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:08:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:08:55,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2036262431, now seen corresponding path program 1 times [2020-08-21 18:08:55,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:08:55,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885843675] [2020-08-21 18:08:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:08:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-21 18:08:55,774 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-21 18:08:55,774 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-21 18:08:55,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 18:08:55,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 06:08:55 BoogieIcfgContainer [2020-08-21 18:08:55,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 18:08:55,816 INFO L168 Benchmark]: Toolchain (without parser) took 4178.25 ms. Allocated memory was 141.6 MB in the beginning and 243.8 MB in the end (delta: 102.2 MB). Free memory was 104.2 MB in the beginning and 148.0 MB in the end (delta: -43.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2020-08-21 18:08:55,817 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 18:08:55,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.11 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.7 MB in the beginning and 182.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-21 18:08:55,819 INFO L168 Benchmark]: Boogie Preprocessor took 59.52 ms. Allocated memory is still 206.6 MB. Free memory was 182.5 MB in the beginning and 179.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-08-21 18:08:55,819 INFO L168 Benchmark]: RCFGBuilder took 796.82 ms. Allocated memory is still 206.6 MB. Free memory was 179.9 MB in the beginning and 132.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2020-08-21 18:08:55,821 INFO L168 Benchmark]: TraceAbstraction took 2757.61 ms. Allocated memory was 206.6 MB in the beginning and 243.8 MB in the end (delta: 37.2 MB). Free memory was 131.9 MB in the beginning and 148.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-08-21 18:08:55,824 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 557.11 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.7 MB in the beginning and 182.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.52 ms. Allocated memory is still 206.6 MB. Free memory was 182.5 MB in the beginning and 179.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 796.82 ms. Allocated memory is still 206.6 MB. Free memory was 179.9 MB in the beginning and 132.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2757.61 ms. Allocated memory was 206.6 MB in the beginning and 243.8 MB in the end (delta: 37.2 MB). Free memory was 131.9 MB in the beginning and 148.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 21.2 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, 0.7s 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...