/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=SHALLOWEST --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_3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:45:33,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 19:45:33,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 19:45:33,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 19:45:33,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:45:33,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:45:33,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:45:33,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:45:33,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:45:33,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:45:33,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:45:33,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:45:33,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:45:33,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:45:33,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:45:33,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:45:33,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:45:33,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:45:33,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:45:33,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:45:33,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:45:33,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:45:33,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:45:33,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:45:33,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 19:45:33,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 19:45:33,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 19:45:33,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 19:45:33,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 19:45:33,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 19:45:33,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 19:45:33,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 19:45:33,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 19:45:33,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 19:45:33,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 19:45:33,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 19:45:33,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 19:45:33,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 19:45:33,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:45:33,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:45:33,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:45:33,260 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 19:45:33,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:45:33,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:45:33,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:45:33,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:45:33,285 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:45:33,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:45:33,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:45:33,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:45:33,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:45:33,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:45:33,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:45:33,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:45:33,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:45:33,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:45:33,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:45:33,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:45:33,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:45:33,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:45:33,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:45:33,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:45:33,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:45:33,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:45:33,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:45:33,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:45:33,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:45:33,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:45:33,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:45:33,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:45:33,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:45:33,290 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=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-08-21 19:45:33,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:45:33,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:45:33,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:45:33,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:45:33,618 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:45:33,619 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-08-21 19:45:33,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03272e995/f1a6484e5abb4f07bedc5673efb5b116/FLAG63e091323 [2020-08-21 19:45:34,230 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:45:34,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-08-21 19:45:34,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03272e995/f1a6484e5abb4f07bedc5673efb5b116/FLAG63e091323 [2020-08-21 19:45:34,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03272e995/f1a6484e5abb4f07bedc5673efb5b116 [2020-08-21 19:45:34,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:45:34,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:45:34,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:45:34,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:45:34,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:45:34,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:45:34" (1/1) ... [2020-08-21 19:45:34,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df9eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:34, skipping insertion in model container [2020-08-21 19:45:34,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:45:34" (1/1) ... [2020-08-21 19:45:34,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:45:34,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:45:34,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:45:34,922 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:45:35,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:45:35,082 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:45:35,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35 WrapperNode [2020-08-21 19:45:35,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:45:35,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:45:35,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:45:35,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:45:35,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (1/1) ... [2020-08-21 19:45:35,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:45:35,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:45:35,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:45:35,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:45:35,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (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 19:45:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:45:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:45:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-21 19:45:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:45:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:45:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-21 19:45:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:45:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-21 19:45:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-21 19:45:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-21 19:45:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:45:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:45:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:45:35,410 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-21 19:45:35,938 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-08-21 19:45:35,938 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-08-21 19:45:35,956 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:45:35,957 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 19:45:35,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:45:35 BoogieIcfgContainer [2020-08-21 19:45:35,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:45:35,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:45:35,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:45:35,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:45:35,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:45:34" (1/3) ... [2020-08-21 19:45:35,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db965cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:45:35, skipping insertion in model container [2020-08-21 19:45:35,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:45:35" (2/3) ... [2020-08-21 19:45:35,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db965cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:45:35, skipping insertion in model container [2020-08-21 19:45:35,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:45:35" (3/3) ... [2020-08-21 19:45:35,973 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-08-21 19:45:35,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:45:35,994 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:45:36,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:45:36,036 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:45:36,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:45:36,037 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:45:36,037 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:45:36,037 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:45:36,037 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:45:36,038 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:45:36,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:45:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-08-21 19:45:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-21 19:45:36,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:36,068 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 19:45:36,069 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-08-21 19:45:36,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:36,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294818415] [2020-08-21 19:45:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:36,389 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 19:45:36,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294818415] [2020-08-21 19:45:36,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:36,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 19:45:36,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733085106] [2020-08-21 19:45:36,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:45:36,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:36,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:45:36,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:45:36,418 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-08-21 19:45:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:36,716 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-08-21 19:45:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:45:36,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-08-21 19:45:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:36,733 INFO L225 Difference]: With dead ends: 263 [2020-08-21 19:45:36,734 INFO L226 Difference]: Without dead ends: 120 [2020-08-21 19:45:36,739 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 [2020-08-21 19:45:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-21 19:45:36,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-08-21 19:45:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-21 19:45:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-08-21 19:45:36,798 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-08-21 19:45:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:36,798 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-08-21 19:45:36,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:45:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-08-21 19:45:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-21 19:45:36,801 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:36,801 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 19:45:36,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:45:36,801 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:36,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-08-21 19:45:36,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:36,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686151471] [2020-08-21 19:45:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:36,907 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 19:45:36,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686151471] [2020-08-21 19:45:36,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:36,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:36,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864054039] [2020-08-21 19:45:36,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:36,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:36,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:36,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:36,911 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-08-21 19:45:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:37,066 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2020-08-21 19:45:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:37,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-08-21 19:45:37,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:37,069 INFO L225 Difference]: With dead ends: 243 [2020-08-21 19:45:37,069 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 19:45:37,071 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 19:45:37,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 19:45:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2020-08-21 19:45:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-08-21 19:45:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2020-08-21 19:45:37,085 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 42 [2020-08-21 19:45:37,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:37,086 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2020-08-21 19:45:37,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2020-08-21 19:45:37,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 19:45:37,088 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:37,088 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 19:45:37,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:45:37,089 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:37,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:37,090 INFO L82 PathProgramCache]: Analyzing trace with hash 578664657, now seen corresponding path program 1 times [2020-08-21 19:45:37,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:37,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735049911] [2020-08-21 19:45:37,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:37,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:37,246 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 19:45:37,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735049911] [2020-08-21 19:45:37,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:37,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:37,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225140939] [2020-08-21 19:45:37,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:37,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:37,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:37,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:37,249 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 3 states. [2020-08-21 19:45:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:37,394 INFO L93 Difference]: Finished difference Result 277 states and 413 transitions. [2020-08-21 19:45:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:37,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-08-21 19:45:37,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:37,397 INFO L225 Difference]: With dead ends: 277 [2020-08-21 19:45:37,397 INFO L226 Difference]: Without dead ends: 157 [2020-08-21 19:45:37,398 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 19:45:37,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-08-21 19:45:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 152. [2020-08-21 19:45:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-21 19:45:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 219 transitions. [2020-08-21 19:45:37,411 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 219 transitions. Word has length 56 [2020-08-21 19:45:37,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:37,412 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 219 transitions. [2020-08-21 19:45:37,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:37,412 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 219 transitions. [2020-08-21 19:45:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 19:45:37,415 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:37,415 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 19:45:37,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:45:37,415 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1328448030, now seen corresponding path program 1 times [2020-08-21 19:45:37,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:37,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734886356] [2020-08-21 19:45:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:37,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:37,597 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 19:45:37,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734886356] [2020-08-21 19:45:37,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:37,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:37,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7092959] [2020-08-21 19:45:37,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:37,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:37,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:37,602 INFO L87 Difference]: Start difference. First operand 152 states and 219 transitions. Second operand 3 states. [2020-08-21 19:45:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:37,852 INFO L93 Difference]: Finished difference Result 340 states and 508 transitions. [2020-08-21 19:45:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:37,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 19:45:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:37,855 INFO L225 Difference]: With dead ends: 340 [2020-08-21 19:45:37,855 INFO L226 Difference]: Without dead ends: 202 [2020-08-21 19:45:37,861 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 19:45:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-08-21 19:45:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193. [2020-08-21 19:45:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-08-21 19:45:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2020-08-21 19:45:37,892 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 73 [2020-08-21 19:45:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:37,893 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2020-08-21 19:45:37,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2020-08-21 19:45:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 19:45:37,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:37,899 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 19:45:37,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:45:37,902 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:37,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1161080932, now seen corresponding path program 1 times [2020-08-21 19:45:37,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:37,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840174445] [2020-08-21 19:45:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,015 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 19:45:38,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840174445] [2020-08-21 19:45:38,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:38,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:38,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923196728] [2020-08-21 19:45:38,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:38,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:38,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:38,020 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand 3 states. [2020-08-21 19:45:38,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:38,172 INFO L93 Difference]: Finished difference Result 395 states and 560 transitions. [2020-08-21 19:45:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:38,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 19:45:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:38,174 INFO L225 Difference]: With dead ends: 395 [2020-08-21 19:45:38,175 INFO L226 Difference]: Without dead ends: 217 [2020-08-21 19:45:38,176 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 19:45:38,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-21 19:45:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2020-08-21 19:45:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-21 19:45:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2020-08-21 19:45:38,187 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 73 [2020-08-21 19:45:38,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:38,188 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2020-08-21 19:45:38,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2020-08-21 19:45:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-08-21 19:45:38,190 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:38,190 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 19:45:38,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:45:38,190 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:38,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1203914429, now seen corresponding path program 1 times [2020-08-21 19:45:38,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:38,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206465106] [2020-08-21 19:45:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,254 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 19:45:38,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206465106] [2020-08-21 19:45:38,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:38,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:38,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451091162] [2020-08-21 19:45:38,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:38,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:38,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:38,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:38,262 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand 3 states. [2020-08-21 19:45:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:38,421 INFO L93 Difference]: Finished difference Result 433 states and 609 transitions. [2020-08-21 19:45:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:38,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-08-21 19:45:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:38,428 INFO L225 Difference]: With dead ends: 433 [2020-08-21 19:45:38,430 INFO L226 Difference]: Without dead ends: 236 [2020-08-21 19:45:38,431 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 19:45:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-08-21 19:45:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-08-21 19:45:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-21 19:45:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2020-08-21 19:45:38,456 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 90 [2020-08-21 19:45:38,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:38,456 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2020-08-21 19:45:38,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2020-08-21 19:45:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 19:45:38,458 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:38,459 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 19:45:38,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 19:45:38,459 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:38,463 INFO L82 PathProgramCache]: Analyzing trace with hash -957002635, now seen corresponding path program 1 times [2020-08-21 19:45:38,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:38,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307971840] [2020-08-21 19:45:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:45:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:45:38,572 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 19:45:38,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307971840] [2020-08-21 19:45:38,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:45:38,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:45:38,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059259786] [2020-08-21 19:45:38,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:45:38,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:45:38,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:45:38,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:45:38,577 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand 3 states. [2020-08-21 19:45:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:45:38,621 INFO L93 Difference]: Finished difference Result 667 states and 918 transitions. [2020-08-21 19:45:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:45:38,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-08-21 19:45:38,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:45:38,627 INFO L225 Difference]: With dead ends: 667 [2020-08-21 19:45:38,627 INFO L226 Difference]: Without dead ends: 449 [2020-08-21 19:45:38,628 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 19:45:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-08-21 19:45:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-08-21 19:45:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-08-21 19:45:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2020-08-21 19:45:38,648 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 615 transitions. Word has length 110 [2020-08-21 19:45:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:45:38,649 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 615 transitions. [2020-08-21 19:45:38,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:45:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 615 transitions. [2020-08-21 19:45:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-21 19:45:38,651 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:45:38,651 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 19:45:38,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 19:45:38,652 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:45:38,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:45:38,652 INFO L82 PathProgramCache]: Analyzing trace with hash -605456545, now seen corresponding path program 1 times [2020-08-21 19:45:38,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:45:38,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208783574] [2020-08-21 19:45:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:45:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-21 19:45:38,770 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-21 19:45:38,771 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-21 19:45:38,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 19:45:38,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:45:38 BoogieIcfgContainer [2020-08-21 19:45:38,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:45:38,832 INFO L168 Benchmark]: Toolchain (without parser) took 4270.19 ms. Allocated memory was 138.4 MB in the beginning and 251.1 MB in the end (delta: 112.7 MB). Free memory was 101.5 MB in the beginning and 176.5 MB in the end (delta: -75.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2020-08-21 19:45:38,838 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-08-21 19:45:38,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.98 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 175.6 MB in the end (delta: -74.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:45:38,840 INFO L168 Benchmark]: Boogie Preprocessor took 65.37 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 173.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-08-21 19:45:38,841 INFO L168 Benchmark]: RCFGBuilder took 814.25 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 124.1 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-08-21 19:45:38,842 INFO L168 Benchmark]: TraceAbstraction took 2864.61 ms. Allocated memory was 200.8 MB in the beginning and 251.1 MB in the end (delta: 50.3 MB). Free memory was 124.1 MB in the beginning and 176.5 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 19:45:38,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 520.98 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 175.6 MB in the end (delta: -74.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.37 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 173.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 814.25 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 124.1 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2864.61 ms. Allocated memory was 200.8 MB in the beginning and 251.1 MB in the end (delta: 50.3 MB). Free memory was 124.1 MB in the beginning and 176.5 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L583] CALL ssl3_connect(s) [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.2s, 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, 0.4s SatisfiabilityAnalysisTime, 0.4s 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...