/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:29:37,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:29:37,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:29:37,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:29:37,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:29:37,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:29:37,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:29:37,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:29:37,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:29:37,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:29:37,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:29:37,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:29:37,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:29:37,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:29:37,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:29:37,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:29:37,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:29:37,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:29:37,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:29:37,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:29:37,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:29:37,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:29:37,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:29:37,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:29:37,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 16:29:37,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 16:29:37,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 16:29:37,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 16:29:37,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 16:29:37,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 16:29:37,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 16:29:37,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 16:29:37,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 16:29:37,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 16:29:37,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 16:29:37,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 16:29:37,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 16:29:37,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 16:29:37,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:29:37,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:29:37,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:29:37,270 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 16:29:37,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:29:37,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:29:37,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:29:37,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:29:37,313 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:29:37,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:29:37,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:29:37,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:29:37,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:29:37,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:29:37,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:29:37,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:29:37,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:29:37,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:29:37,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:29:37,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:29:37,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:29:37,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:29:37,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:29:37,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:29:37,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:29:37,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:29:37,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:29:37,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:29:37,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:29:37,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:29:37,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:29:37,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:29:37,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:29:37,320 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:29:37,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:29:37,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:29:37,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:29:37,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:29:37,650 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:29:37,650 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-08-21 16:29:37,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaea14211/163e7d5514c94a4b8384fae83a22e47c/FLAGd6371ae38 [2020-08-21 16:29:38,244 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:29:38,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-08-21 16:29:38,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaea14211/163e7d5514c94a4b8384fae83a22e47c/FLAGd6371ae38 [2020-08-21 16:29:38,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaea14211/163e7d5514c94a4b8384fae83a22e47c [2020-08-21 16:29:38,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:29:38,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:29:38,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:29:38,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:29:38,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:29:38,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:29:38" (1/1) ... [2020-08-21 16:29:38,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36345b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:38, skipping insertion in model container [2020-08-21 16:29:38,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:29:38" (1/1) ... [2020-08-21 16:29:38,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:29:38,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:29:38,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:29:38,893 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:29:39,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:29:39,106 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:29:39,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39 WrapperNode [2020-08-21 16:29:39,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:29:39,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:29:39,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:29:39,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:29:39,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (1/1) ... [2020-08-21 16:29:39,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:29:39,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:29:39,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:29:39,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:29:39,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (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 16:29:39,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:29:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:29:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-21 16:29:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:29:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:29:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:29:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-21 16:29:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-21 16:29:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:29:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:29:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:29:39,406 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-21 16:29:39,937 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-08-21 16:29:39,938 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-08-21 16:29:39,956 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:29:39,957 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 16:29:39,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:29:39 BoogieIcfgContainer [2020-08-21 16:29:39,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:29:39,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:29:39,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:29:39,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:29:39,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:29:38" (1/3) ... [2020-08-21 16:29:39,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef81eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:29:39, skipping insertion in model container [2020-08-21 16:29:39,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:29:39" (2/3) ... [2020-08-21 16:29:39,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef81eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:29:39, skipping insertion in model container [2020-08-21 16:29:39,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:29:39" (3/3) ... [2020-08-21 16:29:39,974 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-08-21 16:29:39,986 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:29:39,994 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:29:40,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:29:40,036 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:29:40,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:29:40,037 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:29:40,037 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:29:40,037 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:29:40,037 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:29:40,038 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:29:40,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:29:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-08-21 16:29:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-21 16:29:40,080 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:29:40,081 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, 1] [2020-08-21 16:29:40,082 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:29:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:29:40,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1233902378, now seen corresponding path program 1 times [2020-08-21 16:29:40,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:29:40,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752341358] [2020-08-21 16:29:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:29:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:40,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:29:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:40,334 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 16:29:40,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752341358] [2020-08-21 16:29:40,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:29:40,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 16:29:40,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146940786] [2020-08-21 16:29:40,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 16:29:40,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:29:40,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 16:29:40,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:29:40,362 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states. [2020-08-21 16:29:40,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:29:40,593 INFO L93 Difference]: Finished difference Result 258 states and 434 transitions. [2020-08-21 16:29:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 16:29:40,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-08-21 16:29:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:29:40,609 INFO L225 Difference]: With dead ends: 258 [2020-08-21 16:29:40,609 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 16:29:40,614 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 16:29:40,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 16:29:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-08-21 16:29:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-08-21 16:29:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2020-08-21 16:29:40,682 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 30 [2020-08-21 16:29:40,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:29:40,682 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2020-08-21 16:29:40,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 16:29:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2020-08-21 16:29:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-21 16:29:40,685 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:29:40,685 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 16:29:40,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:29:40,686 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:29:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:29:40,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1082493398, now seen corresponding path program 1 times [2020-08-21 16:29:40,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:29:40,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317506617] [2020-08-21 16:29:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:29:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:40,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:29:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:40,776 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 16:29:40,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317506617] [2020-08-21 16:29:40,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:29:40,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 16:29:40,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025751046] [2020-08-21 16:29:40,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 16:29:40,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:29:40,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 16:29:40,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:29:40,780 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand 3 states. [2020-08-21 16:29:40,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:29:40,923 INFO L93 Difference]: Finished difference Result 238 states and 361 transitions. [2020-08-21 16:29:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 16:29:40,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-08-21 16:29:40,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:29:40,926 INFO L225 Difference]: With dead ends: 238 [2020-08-21 16:29:40,926 INFO L226 Difference]: Without dead ends: 136 [2020-08-21 16:29:40,928 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 16:29:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-21 16:29:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2020-08-21 16:29:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-21 16:29:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 196 transitions. [2020-08-21 16:29:40,942 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 196 transitions. Word has length 42 [2020-08-21 16:29:40,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:29:40,942 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 196 transitions. [2020-08-21 16:29:40,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 16:29:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2020-08-21 16:29:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 16:29:40,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:29:40,945 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 16:29:40,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:29:40,945 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:29:40,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:29:40,946 INFO L82 PathProgramCache]: Analyzing trace with hash -636452013, now seen corresponding path program 1 times [2020-08-21 16:29:40,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:29:40,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455982507] [2020-08-21 16:29:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:29:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:29:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:29:41,041 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 16:29:41,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455982507] [2020-08-21 16:29:41,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:29:41,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 16:29:41,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69122053] [2020-08-21 16:29:41,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 16:29:41,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:29:41,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 16:29:41,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:29:41,044 INFO L87 Difference]: Start difference. First operand 133 states and 196 transitions. Second operand 3 states. [2020-08-21 16:29:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:29:41,185 INFO L93 Difference]: Finished difference Result 271 states and 407 transitions. [2020-08-21 16:29:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 16:29:41,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-08-21 16:29:41,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:29:41,188 INFO L225 Difference]: With dead ends: 271 [2020-08-21 16:29:41,188 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 16:29:41,190 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 16:29:41,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 16:29:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2020-08-21 16:29:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-08-21 16:29:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 218 transitions. [2020-08-21 16:29:41,202 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 218 transitions. Word has length 56 [2020-08-21 16:29:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:29:41,203 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 218 transitions. [2020-08-21 16:29:41,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 16:29:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 218 transitions. [2020-08-21 16:29:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 16:29:41,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:29:41,206 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 16:29:41,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:29:41,206 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:29:41,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:29:41,206 INFO L82 PathProgramCache]: Analyzing trace with hash 327884321, now seen corresponding path program 1 times [2020-08-21 16:29:41,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:29:41,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184892107] [2020-08-21 16:29:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:29:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-21 16:29:41,265 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-21 16:29:41,265 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-21 16:29:41,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:29:41,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:29:41 BoogieIcfgContainer [2020-08-21 16:29:41,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:29:41,315 INFO L168 Benchmark]: Toolchain (without parser) took 2737.04 ms. Allocated memory was 139.5 MB in the beginning and 235.9 MB in the end (delta: 96.5 MB). Free memory was 101.9 MB in the beginning and 124.0 MB in the end (delta: -22.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:29:41,316 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 16:29:41,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.94 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 179.1 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-21 16:29:41,319 INFO L168 Benchmark]: Boogie Preprocessor took 60.89 ms. Allocated memory is still 203.4 MB. Free memory was 179.1 MB in the beginning and 176.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-08-21 16:29:41,320 INFO L168 Benchmark]: RCFGBuilder took 793.88 ms. Allocated memory is still 203.4 MB. Free memory was 176.4 MB in the beginning and 130.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2020-08-21 16:29:41,326 INFO L168 Benchmark]: TraceAbstraction took 1346.88 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 129.5 MB in the beginning and 124.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2020-08-21 16:29:41,335 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 529.94 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 179.1 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.89 ms. Allocated memory is still 203.4 MB. Free memory was 179.1 MB in the beginning and 176.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 793.88 ms. Allocated memory is still 203.4 MB. Free memory was 176.4 MB in the beginning and 130.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1346.88 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 129.5 MB in the beginning and 124.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L627] CALL ssl3_connect() [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 565 SDtfs, 37 SDslu, 286 SDs, 0 SdLazy, 283 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 8203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 19/19 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...