/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:02:36,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:02:36,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:02:36,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:02:36,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:02:36,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:02:36,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:02:36,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:02:36,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:02:36,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:02:36,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:02:36,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:02:36,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:02:36,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:02:36,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:02:36,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:02:36,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:02:36,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:02:36,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:02:36,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:02:36,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:02:36,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:02:36,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:02:36,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:02:36,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 13:02:36,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 13:02:36,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 13:02:36,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 13:02:36,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 13:02:36,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 13:02:36,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 13:02:36,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 13:02:36,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 13:02:36,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 13:02:36,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 13:02:36,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 13:02:36,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 13:02:36,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 13:02:36,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:02:36,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:02:36,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:02:36,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:02:36,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:02:36,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:02:36,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:02:36,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:02:36,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:02:36,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:02:36,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:02:36,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:02:36,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:02:36,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:02:36,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:02:36,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:02:36,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:02:36,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:02:36,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:02:36,692 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:02:36,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:02:36,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:02:36,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:02:36,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:02:36,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:02:36,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:02:36,694 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:02:36,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:02:36,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:02:36,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:02:36,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:02:36,989 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:02:36,990 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-07-07 13:02:37,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029583462/cf665659f1ef477ca8a221d935cf4fd4/FLAG21028914c [2020-07-07 13:02:37,580 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:02:37,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-07-07 13:02:37,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029583462/cf665659f1ef477ca8a221d935cf4fd4/FLAG21028914c [2020-07-07 13:02:37,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029583462/cf665659f1ef477ca8a221d935cf4fd4 [2020-07-07 13:02:37,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:02:37,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:02:37,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:02:37,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:02:37,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:02:37,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:02:37" (1/1) ... [2020-07-07 13:02:37,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8448c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:37, skipping insertion in model container [2020-07-07 13:02:37,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:02:37" (1/1) ... [2020-07-07 13:02:37,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:02:38,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:02:38,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:02:38,281 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:02:38,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:02:38,458 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:02:38,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38 WrapperNode [2020-07-07 13:02:38,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:02:38,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:02:38,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:02:38,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:02:38,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... [2020-07-07 13:02:38,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:02:38,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:02:38,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:02:38,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:02:38,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-07 13:02:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:02:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:02:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-07-07 13:02:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:02:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:02:38,769 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 13:02:39,429 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-07-07 13:02:39,430 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-07-07 13:02:39,450 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:02:39,451 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 13:02:39,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:02:39 BoogieIcfgContainer [2020-07-07 13:02:39,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:02:39,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:02:39,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:02:39,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:02:39,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:02:37" (1/3) ... [2020-07-07 13:02:39,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa1e08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:02:39, skipping insertion in model container [2020-07-07 13:02:39,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:38" (2/3) ... [2020-07-07 13:02:39,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa1e08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:02:39, skipping insertion in model container [2020-07-07 13:02:39,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:02:39" (3/3) ... [2020-07-07 13:02:39,467 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-07-07 13:02:39,478 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:02:39,486 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:02:39,501 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:02:39,521 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:02:39,521 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:02:39,522 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:02:39,522 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:02:39,522 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:02:39,522 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:02:39,522 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:02:39,523 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:02:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-07-07 13:02:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-07 13:02:39,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:39,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:39,569 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-07-07 13:02:39,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:39,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258792859] [2020-07-07 13:02:39,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:39,953 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:39,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258792859] [2020-07-07 13:02:39,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:39,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:39,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307663379] [2020-07-07 13:02:39,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:39,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:39,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:39,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:39,984 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-07-07 13:02:40,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:40,243 INFO L93 Difference]: Finished difference Result 577 states and 753 transitions. [2020-07-07 13:02:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:40,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-07 13:02:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:40,262 INFO L225 Difference]: With dead ends: 577 [2020-07-07 13:02:40,262 INFO L226 Difference]: Without dead ends: 317 [2020-07-07 13:02:40,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:40,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-07 13:02:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-07 13:02:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-07 13:02:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 375 transitions. [2020-07-07 13:02:40,341 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 375 transitions. Word has length 142 [2020-07-07 13:02:40,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:40,342 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 375 transitions. [2020-07-07 13:02:40,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 375 transitions. [2020-07-07 13:02:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 13:02:40,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:40,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:40,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:02:40,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:40,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:40,350 INFO L82 PathProgramCache]: Analyzing trace with hash 980116923, now seen corresponding path program 1 times [2020-07-07 13:02:40,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:40,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155397748] [2020-07-07 13:02:40,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:40,580 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:40,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155397748] [2020-07-07 13:02:40,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:40,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:40,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482757174] [2020-07-07 13:02:40,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:40,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:40,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:40,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:40,584 INFO L87 Difference]: Start difference. First operand 317 states and 375 transitions. Second operand 3 states. [2020-07-07 13:02:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:40,758 INFO L93 Difference]: Finished difference Result 534 states and 657 transitions. [2020-07-07 13:02:40,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:40,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-07-07 13:02:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:40,768 INFO L225 Difference]: With dead ends: 534 [2020-07-07 13:02:40,769 INFO L226 Difference]: Without dead ends: 345 [2020-07-07 13:02:40,772 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 [2020-07-07 13:02:40,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-07 13:02:40,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2020-07-07 13:02:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-07 13:02:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 398 transitions. [2020-07-07 13:02:40,840 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 398 transitions. Word has length 160 [2020-07-07 13:02:40,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:40,841 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 398 transitions. [2020-07-07 13:02:40,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 398 transitions. [2020-07-07 13:02:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-07 13:02:40,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:40,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:40,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:02:40,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1724791051, now seen corresponding path program 1 times [2020-07-07 13:02:40,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:40,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351422172] [2020-07-07 13:02:40,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:41,019 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:41,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351422172] [2020-07-07 13:02:41,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:41,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 13:02:41,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592193442] [2020-07-07 13:02:41,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 13:02:41,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:41,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 13:02:41,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 13:02:41,022 INFO L87 Difference]: Start difference. First operand 335 states and 398 transitions. Second operand 4 states. [2020-07-07 13:02:41,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:41,488 INFO L93 Difference]: Finished difference Result 885 states and 1142 transitions. [2020-07-07 13:02:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 13:02:41,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-07-07 13:02:41,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:41,494 INFO L225 Difference]: With dead ends: 885 [2020-07-07 13:02:41,494 INFO L226 Difference]: Without dead ends: 678 [2020-07-07 13:02:41,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:02:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-07-07 13:02:41,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 382. [2020-07-07 13:02:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-07-07 13:02:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 453 transitions. [2020-07-07 13:02:41,520 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 453 transitions. Word has length 167 [2020-07-07 13:02:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:41,520 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 453 transitions. [2020-07-07 13:02:41,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 13:02:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 453 transitions. [2020-07-07 13:02:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-07 13:02:41,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:41,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:41,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:02:41,524 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash -2007825220, now seen corresponding path program 1 times [2020-07-07 13:02:41,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:41,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263431817] [2020-07-07 13:02:41,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:41,641 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:41,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263431817] [2020-07-07 13:02:41,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:41,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:41,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733937922] [2020-07-07 13:02:41,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:41,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:41,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:41,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:41,644 INFO L87 Difference]: Start difference. First operand 382 states and 453 transitions. Second operand 3 states. [2020-07-07 13:02:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:41,725 INFO L93 Difference]: Finished difference Result 877 states and 1079 transitions. [2020-07-07 13:02:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:41,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-07-07 13:02:41,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:41,731 INFO L225 Difference]: With dead ends: 877 [2020-07-07 13:02:41,732 INFO L226 Difference]: Without dead ends: 623 [2020-07-07 13:02:41,733 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 [2020-07-07 13:02:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-07-07 13:02:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2020-07-07 13:02:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-07-07 13:02:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 752 transitions. [2020-07-07 13:02:41,782 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 752 transitions. Word has length 180 [2020-07-07 13:02:41,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:41,783 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 752 transitions. [2020-07-07 13:02:41,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 752 transitions. [2020-07-07 13:02:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-07 13:02:41,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:41,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:41,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 13:02:41,786 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:41,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1957933229, now seen corresponding path program 1 times [2020-07-07 13:02:41,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:41,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865922819] [2020-07-07 13:02:41,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:41,925 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:41,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865922819] [2020-07-07 13:02:41,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:41,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:41,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186960974] [2020-07-07 13:02:41,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:41,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:41,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:41,929 INFO L87 Difference]: Start difference. First operand 621 states and 752 transitions. Second operand 3 states. [2020-07-07 13:02:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:42,168 INFO L93 Difference]: Finished difference Result 913 states and 1125 transitions. [2020-07-07 13:02:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:42,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-07 13:02:42,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:42,175 INFO L225 Difference]: With dead ends: 913 [2020-07-07 13:02:42,175 INFO L226 Difference]: Without dead ends: 659 [2020-07-07 13:02:42,177 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 [2020-07-07 13:02:42,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-07-07 13:02:42,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 641. [2020-07-07 13:02:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-07-07 13:02:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 777 transitions. [2020-07-07 13:02:42,215 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 777 transitions. Word has length 181 [2020-07-07 13:02:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:42,215 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 777 transitions. [2020-07-07 13:02:42,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 777 transitions. [2020-07-07 13:02:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-07 13:02:42,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:42,218 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:42,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 13:02:42,219 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:42,219 INFO L82 PathProgramCache]: Analyzing trace with hash 129935299, now seen corresponding path program 1 times [2020-07-07 13:02:42,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:42,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546323835] [2020-07-07 13:02:42,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:42,334 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:42,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546323835] [2020-07-07 13:02:42,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:42,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:42,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886331105] [2020-07-07 13:02:42,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:42,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:42,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:42,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:42,337 INFO L87 Difference]: Start difference. First operand 641 states and 777 transitions. Second operand 3 states. [2020-07-07 13:02:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:42,427 INFO L93 Difference]: Finished difference Result 1599 states and 1969 transitions. [2020-07-07 13:02:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:42,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-07-07 13:02:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:42,434 INFO L225 Difference]: With dead ends: 1599 [2020-07-07 13:02:42,434 INFO L226 Difference]: Without dead ends: 1086 [2020-07-07 13:02:42,436 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 [2020-07-07 13:02:42,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-07-07 13:02:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2020-07-07 13:02:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-07-07 13:02:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1313 transitions. [2020-07-07 13:02:42,532 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1313 transitions. Word has length 188 [2020-07-07 13:02:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:42,538 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1313 transitions. [2020-07-07 13:02:42,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1313 transitions. [2020-07-07 13:02:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-07 13:02:42,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:42,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:42,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 13:02:42,557 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:42,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1932501654, now seen corresponding path program 1 times [2020-07-07 13:02:42,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:42,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865980100] [2020-07-07 13:02:42,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:42,778 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:42,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865980100] [2020-07-07 13:02:42,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:42,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:42,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334088072] [2020-07-07 13:02:42,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:42,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:42,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:42,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:42,783 INFO L87 Difference]: Start difference. First operand 1080 states and 1313 transitions. Second operand 3 states. [2020-07-07 13:02:42,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:42,928 INFO L93 Difference]: Finished difference Result 2050 states and 2515 transitions. [2020-07-07 13:02:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:42,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-07 13:02:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:42,938 INFO L225 Difference]: With dead ends: 2050 [2020-07-07 13:02:42,938 INFO L226 Difference]: Without dead ends: 1098 [2020-07-07 13:02:42,942 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 [2020-07-07 13:02:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-07-07 13:02:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1088. [2020-07-07 13:02:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-07-07 13:02:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1318 transitions. [2020-07-07 13:02:43,061 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1318 transitions. Word has length 189 [2020-07-07 13:02:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:43,062 INFO L479 AbstractCegarLoop]: Abstraction has 1088 states and 1318 transitions. [2020-07-07 13:02:43,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1318 transitions. [2020-07-07 13:02:43,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-07 13:02:43,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:43,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:43,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 13:02:43,069 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:43,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:43,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1261577978, now seen corresponding path program 1 times [2020-07-07 13:02:43,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:43,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637277343] [2020-07-07 13:02:43,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:43,226 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:43,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637277343] [2020-07-07 13:02:43,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:43,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:43,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700022078] [2020-07-07 13:02:43,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:43,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:43,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:43,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:43,231 INFO L87 Difference]: Start difference. First operand 1088 states and 1318 transitions. Second operand 3 states. [2020-07-07 13:02:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:43,406 INFO L93 Difference]: Finished difference Result 2605 states and 3182 transitions. [2020-07-07 13:02:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:43,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-07-07 13:02:43,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:43,416 INFO L225 Difference]: With dead ends: 2605 [2020-07-07 13:02:43,416 INFO L226 Difference]: Without dead ends: 1645 [2020-07-07 13:02:43,419 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 [2020-07-07 13:02:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2020-07-07 13:02:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1643. [2020-07-07 13:02:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-07-07 13:02:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1985 transitions. [2020-07-07 13:02:43,598 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1985 transitions. Word has length 191 [2020-07-07 13:02:43,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:43,599 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1985 transitions. [2020-07-07 13:02:43,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1985 transitions. [2020-07-07 13:02:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-07 13:02:43,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:43,603 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:43,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 13:02:43,604 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1678974584, now seen corresponding path program 1 times [2020-07-07 13:02:43,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:43,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282098711] [2020-07-07 13:02:43,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:43,689 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:43,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282098711] [2020-07-07 13:02:43,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:43,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 13:02:43,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049573758] [2020-07-07 13:02:43,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 13:02:43,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 13:02:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 13:02:43,696 INFO L87 Difference]: Start difference. First operand 1643 states and 1985 transitions. Second operand 3 states. [2020-07-07 13:02:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:43,866 INFO L93 Difference]: Finished difference Result 2619 states and 3178 transitions. [2020-07-07 13:02:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 13:02:43,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-07-07 13:02:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:43,877 INFO L225 Difference]: With dead ends: 2619 [2020-07-07 13:02:43,877 INFO L226 Difference]: Without dead ends: 1659 [2020-07-07 13:02:43,884 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 [2020-07-07 13:02:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-07-07 13:02:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657. [2020-07-07 13:02:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-07-07 13:02:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1995 transitions. [2020-07-07 13:02:44,040 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1995 transitions. Word has length 191 [2020-07-07 13:02:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:44,041 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 1995 transitions. [2020-07-07 13:02:44,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 13:02:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1995 transitions. [2020-07-07 13:02:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-07 13:02:44,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:44,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:44,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 13:02:44,051 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:44,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:44,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2059637971, now seen corresponding path program 1 times [2020-07-07 13:02:44,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:44,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119440841] [2020-07-07 13:02:44,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:44,207 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:44,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119440841] [2020-07-07 13:02:44,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:44,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 13:02:44,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994296887] [2020-07-07 13:02:44,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 13:02:44,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:44,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 13:02:44,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 13:02:44,209 INFO L87 Difference]: Start difference. First operand 1657 states and 1995 transitions. Second operand 4 states. [2020-07-07 13:02:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:44,940 INFO L93 Difference]: Finished difference Result 3391 states and 4111 transitions. [2020-07-07 13:02:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 13:02:44,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-07-07 13:02:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:44,963 INFO L225 Difference]: With dead ends: 3391 [2020-07-07 13:02:44,963 INFO L226 Difference]: Without dead ends: 2879 [2020-07-07 13:02:44,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:02:44,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-07-07 13:02:45,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 1671. [2020-07-07 13:02:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-07-07 13:02:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2014 transitions. [2020-07-07 13:02:45,173 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2014 transitions. Word has length 192 [2020-07-07 13:02:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:45,173 INFO L479 AbstractCegarLoop]: Abstraction has 1671 states and 2014 transitions. [2020-07-07 13:02:45,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 13:02:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2014 transitions. [2020-07-07 13:02:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-07 13:02:45,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:45,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:45,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 13:02:45,178 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:45,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:45,179 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-07-07 13:02:45,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:45,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63777091] [2020-07-07 13:02:45,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 13:02:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 13:02:45,335 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:45,336 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 13:02:45,336 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 13:02:45,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 13:02:45,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 01:02:45 BoogieIcfgContainer [2020-07-07 13:02:45,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 13:02:45,406 INFO L168 Benchmark]: Toolchain (without parser) took 7418.71 ms. Allocated memory was 144.7 MB in the beginning and 353.4 MB in the end (delta: 208.7 MB). Free memory was 102.4 MB in the beginning and 84.8 MB in the end (delta: 17.6 MB). Peak memory consumption was 226.3 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:45,406 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 144.7 MB. Free memory is still 120.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 13:02:45,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.65 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 178.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:45,408 INFO L168 Benchmark]: Boogie Preprocessor took 62.00 ms. Allocated memory is still 202.9 MB. Free memory was 178.7 MB in the beginning and 176.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:45,410 INFO L168 Benchmark]: RCFGBuilder took 935.94 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 116.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:45,411 INFO L168 Benchmark]: TraceAbstraction took 5937.76 ms. Allocated memory was 202.9 MB in the beginning and 353.4 MB in the end (delta: 150.5 MB). Free memory was 115.4 MB in the beginning and 84.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 181.0 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:45,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 144.7 MB. Free memory is still 120.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 477.65 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 178.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.00 ms. Allocated memory is still 202.9 MB. Free memory was 178.7 MB in the beginning and 176.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 935.94 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 116.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5937.76 ms. Allocated memory was 202.9 MB in the beginning and 353.4 MB in the end (delta: 150.5 MB). Free memory was 115.4 MB in the beginning and 84.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 181.0 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 FALSE !((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, 350 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4656 SDtfs, 1987 SDslu, 3872 SDs, 0 SdLazy, 851 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1554 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...