/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 false -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 13:19:11,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:19:11,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:19:11,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:19:11,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:19:11,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:19:11,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:19:11,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:19:11,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:19:11,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:19:11,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:19:11,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:19:11,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:19:11,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:19:11,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:19:11,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:19:11,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:19:11,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:19:11,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:19:11,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:19:11,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:19:11,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:19:11,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:19:11,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:19:11,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:19:11,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:19:11,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:19:11,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:19:11,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:19:11,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:19:11,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:19:11,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:19:11,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:19:11,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:19:11,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:19:11,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:19:11,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:19:11,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:19:11,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:19:11,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:19:11,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:19:11,136 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 13:19:11,165 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:19:11,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:19:11,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:19:11,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:19:11,167 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:19:11,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:19:11,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:19:11,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:19:11,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:19:11,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:19:11,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:19:11,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:19:11,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:19:11,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:19:11,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:19:11,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:19:11,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:19:11,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:19:11,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:19:11,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:19:11,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:19:11,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:19:11,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:19:11,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:19:11,172 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 -> false [2020-08-21 13:19:11,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:19:11,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:19:11,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:19:11,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:19:11,506 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:19:11,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-08-21 13:19:11,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fe4dc008/cb349268c9434ac7b8d5f4a1d143e67d/FLAG5729cbd96 [2020-08-21 13:19:12,077 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:19:12,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-08-21 13:19:12,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fe4dc008/cb349268c9434ac7b8d5f4a1d143e67d/FLAG5729cbd96 [2020-08-21 13:19:12,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fe4dc008/cb349268c9434ac7b8d5f4a1d143e67d [2020-08-21 13:19:12,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:19:12,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:19:12,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:19:12,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:19:12,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:19:12,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:12,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f5f1e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12, skipping insertion in model container [2020-08-21 13:19:12,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:12,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:19:12,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:19:12,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:19:12,746 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:19:12,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:19:12,929 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:19:12,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12 WrapperNode [2020-08-21 13:19:12,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:19:12,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:19:12,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:19:12,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:19:12,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:12,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:12,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:12,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:13,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:13,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:13,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (1/1) ... [2020-08-21 13:19:13,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:19:13,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:19:13,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:19:13,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:19:13,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (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 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-21 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:19:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-21 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:19:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:19:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:19:13,240 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-21 13:19:13,858 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-08-21 13:19:13,858 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-08-21 13:19:13,875 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:19:13,876 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 13:19:13,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:19:13 BoogieIcfgContainer [2020-08-21 13:19:13,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:19:13,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:19:13,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:19:13,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:19:13,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:19:12" (1/3) ... [2020-08-21 13:19:13,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a81a0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:19:13, skipping insertion in model container [2020-08-21 13:19:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:19:12" (2/3) ... [2020-08-21 13:19:13,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a81a0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:19:13, skipping insertion in model container [2020-08-21 13:19:13,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:19:13" (3/3) ... [2020-08-21 13:19:13,891 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-08-21 13:19:13,902 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:19:13,911 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:19:13,926 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:19:13,949 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:19:13,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:19:13,949 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:19:13,949 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:19:13,950 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:19:13,950 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:19:13,950 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:19:13,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:19:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-08-21 13:19:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-21 13:19:13,981 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:13,982 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 13:19:13,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:13,989 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-08-21 13:19:13,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:13,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963658622] [2020-08-21 13:19:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:14,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:14,373 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 13:19:14,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963658622] [2020-08-21 13:19:14,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:14,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:19:14,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823925687] [2020-08-21 13:19:14,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:19:14,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:14,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:19:14,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:19:14,404 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-08-21 13:19:14,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:14,728 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-08-21 13:19:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:19:14,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-08-21 13:19:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:14,744 INFO L225 Difference]: With dead ends: 263 [2020-08-21 13:19:14,744 INFO L226 Difference]: Without dead ends: 120 [2020-08-21 13:19:14,749 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 13:19:14,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-21 13:19:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-08-21 13:19:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-21 13:19:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-08-21 13:19:14,807 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-08-21 13:19:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:14,807 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-08-21 13:19:14,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:19:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-08-21 13:19:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-21 13:19:14,810 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:14,810 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 13:19:14,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:19:14,811 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:14,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:14,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-08-21 13:19:14,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:14,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049768963] [2020-08-21 13:19:14,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:14,987 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 13:19:14,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049768963] [2020-08-21 13:19:14,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:14,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:14,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645294004] [2020-08-21 13:19:14,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:14,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:14,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:14,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:14,991 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-08-21 13:19:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:15,157 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2020-08-21 13:19:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:15,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-08-21 13:19:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:15,160 INFO L225 Difference]: With dead ends: 243 [2020-08-21 13:19:15,160 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 13:19:15,162 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 13:19:15,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 13:19:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2020-08-21 13:19:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-08-21 13:19:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2020-08-21 13:19:15,179 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 42 [2020-08-21 13:19:15,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:15,180 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2020-08-21 13:19:15,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2020-08-21 13:19:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 13:19:15,182 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:15,182 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 13:19:15,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:19:15,183 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:15,184 INFO L82 PathProgramCache]: Analyzing trace with hash 578664657, now seen corresponding path program 1 times [2020-08-21 13:19:15,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:15,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24240810] [2020-08-21 13:19:15,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:15,287 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 13:19:15,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24240810] [2020-08-21 13:19:15,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:15,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:15,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568215108] [2020-08-21 13:19:15,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:15,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:15,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:15,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:15,290 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 3 states. [2020-08-21 13:19:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:15,447 INFO L93 Difference]: Finished difference Result 277 states and 413 transitions. [2020-08-21 13:19:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:15,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-08-21 13:19:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:15,451 INFO L225 Difference]: With dead ends: 277 [2020-08-21 13:19:15,451 INFO L226 Difference]: Without dead ends: 157 [2020-08-21 13:19:15,452 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 13:19:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-08-21 13:19:15,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 152. [2020-08-21 13:19:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-21 13:19:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 219 transitions. [2020-08-21 13:19:15,466 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 219 transitions. Word has length 56 [2020-08-21 13:19:15,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:15,466 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 219 transitions. [2020-08-21 13:19:15,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 219 transitions. [2020-08-21 13:19:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 13:19:15,469 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:15,470 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 13:19:15,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:19:15,470 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:15,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:15,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1328448030, now seen corresponding path program 1 times [2020-08-21 13:19:15,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:15,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247183862] [2020-08-21 13:19:15,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:15,633 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 13:19:15,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247183862] [2020-08-21 13:19:15,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:15,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:15,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281346742] [2020-08-21 13:19:15,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:15,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:15,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:15,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:15,637 INFO L87 Difference]: Start difference. First operand 152 states and 219 transitions. Second operand 3 states. [2020-08-21 13:19:15,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:15,857 INFO L93 Difference]: Finished difference Result 340 states and 508 transitions. [2020-08-21 13:19:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:15,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 13:19:15,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:15,861 INFO L225 Difference]: With dead ends: 340 [2020-08-21 13:19:15,861 INFO L226 Difference]: Without dead ends: 202 [2020-08-21 13:19:15,865 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 13:19:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-08-21 13:19:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193. [2020-08-21 13:19:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-08-21 13:19:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2020-08-21 13:19:15,891 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 73 [2020-08-21 13:19:15,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:15,892 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2020-08-21 13:19:15,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2020-08-21 13:19:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 13:19:15,895 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:15,898 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 13:19:15,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:19:15,898 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:15,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:15,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1161080932, now seen corresponding path program 1 times [2020-08-21 13:19:15,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:15,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368280178] [2020-08-21 13:19:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:15,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:16,002 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 13:19:16,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368280178] [2020-08-21 13:19:16,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:16,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:16,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791147114] [2020-08-21 13:19:16,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:16,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:16,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:16,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:16,005 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand 3 states. [2020-08-21 13:19:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:16,124 INFO L93 Difference]: Finished difference Result 395 states and 560 transitions. [2020-08-21 13:19:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:16,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-08-21 13:19:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:16,127 INFO L225 Difference]: With dead ends: 395 [2020-08-21 13:19:16,127 INFO L226 Difference]: Without dead ends: 217 [2020-08-21 13:19:16,129 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 13:19:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-21 13:19:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2020-08-21 13:19:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-21 13:19:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2020-08-21 13:19:16,140 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 73 [2020-08-21 13:19:16,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:16,141 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2020-08-21 13:19:16,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2020-08-21 13:19:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-08-21 13:19:16,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:16,143 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 13:19:16,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:19:16,143 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1203914429, now seen corresponding path program 1 times [2020-08-21 13:19:16,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:16,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833003395] [2020-08-21 13:19:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:16,206 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 13:19:16,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833003395] [2020-08-21 13:19:16,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:16,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:16,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132516709] [2020-08-21 13:19:16,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:16,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:16,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:16,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:16,209 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand 3 states. [2020-08-21 13:19:16,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:16,365 INFO L93 Difference]: Finished difference Result 433 states and 609 transitions. [2020-08-21 13:19:16,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:16,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-08-21 13:19:16,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:16,367 INFO L225 Difference]: With dead ends: 433 [2020-08-21 13:19:16,368 INFO L226 Difference]: Without dead ends: 236 [2020-08-21 13:19:16,369 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 13:19:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-08-21 13:19:16,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-08-21 13:19:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-21 13:19:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2020-08-21 13:19:16,388 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 90 [2020-08-21 13:19:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:16,388 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2020-08-21 13:19:16,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2020-08-21 13:19:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 13:19:16,390 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:16,391 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 13:19:16,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:19:16,395 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:16,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:16,395 INFO L82 PathProgramCache]: Analyzing trace with hash -957002635, now seen corresponding path program 1 times [2020-08-21 13:19:16,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:16,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605121003] [2020-08-21 13:19:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:16,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:19:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:19:16,496 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 13:19:16,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605121003] [2020-08-21 13:19:16,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:19:16,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:19:16,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315699856] [2020-08-21 13:19:16,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:19:16,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:19:16,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:19:16,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:19:16,500 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand 3 states. [2020-08-21 13:19:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:19:16,549 INFO L93 Difference]: Finished difference Result 667 states and 918 transitions. [2020-08-21 13:19:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:19:16,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-08-21 13:19:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:19:16,554 INFO L225 Difference]: With dead ends: 667 [2020-08-21 13:19:16,554 INFO L226 Difference]: Without dead ends: 449 [2020-08-21 13:19:16,555 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 13:19:16,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-08-21 13:19:16,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-08-21 13:19:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-08-21 13:19:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2020-08-21 13:19:16,578 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 615 transitions. Word has length 110 [2020-08-21 13:19:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:19:16,579 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 615 transitions. [2020-08-21 13:19:16,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:19:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 615 transitions. [2020-08-21 13:19:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-21 13:19:16,581 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:19:16,581 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 13:19:16,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:19:16,582 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:19:16,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:19:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash -605456545, now seen corresponding path program 1 times [2020-08-21 13:19:16,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:19:16,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783487832] [2020-08-21 13:19:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:19:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-21 13:19:16,648 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-21 13:19:16,649 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-21 13:19:16,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 13:19:16,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:19:16 BoogieIcfgContainer [2020-08-21 13:19:16,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:19:16,692 INFO L168 Benchmark]: Toolchain (without parser) took 4316.00 ms. Allocated memory was 140.0 MB in the beginning and 246.4 MB in the end (delta: 106.4 MB). Free memory was 102.7 MB in the beginning and 157.1 MB in the end (delta: -54.4 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:19:16,693 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 13:19:16,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.28 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 178.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:19:16,695 INFO L168 Benchmark]: Boogie Preprocessor took 97.92 ms. Allocated memory is still 203.4 MB. Free memory was 178.5 MB in the beginning and 175.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:19:16,696 INFO L168 Benchmark]: RCFGBuilder took 852.74 ms. Allocated memory is still 203.4 MB. Free memory was 175.7 MB in the beginning and 127.1 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:19:16,697 INFO L168 Benchmark]: TraceAbstraction took 2806.41 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 126.4 MB in the beginning and 157.1 MB in the end (delta: -30.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:19:16,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 553.28 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 178.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.92 ms. Allocated memory is still 203.4 MB. Free memory was 178.5 MB in the beginning and 175.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 852.74 ms. Allocated memory is still 203.4 MB. Free memory was 175.7 MB in the beginning and 127.1 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2806.41 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 126.4 MB in the beginning and 157.1 MB in the end (delta: -30.7 MB). Peak memory consumption was 12.3 MB. 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, 0.5s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 55282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...