/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:15:15,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:15:15,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:15:15,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:15:15,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:15:15,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:15:15,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:15:15,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:15:15,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:15:15,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:15:15,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:15:15,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:15:15,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:15:15,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:15:15,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:15:15,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:15:15,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:15:15,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:15:15,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:15:15,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:15:15,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:15:15,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:15:15,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:15:15,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:15:15,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:15:15,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:15:15,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:15:15,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:15:15,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 11:15:15,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:15:15,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:15:15,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:15:15,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:15:15,546 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:15:15,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:15:15,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:15:15,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:15:15,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:15:15,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:15:15,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:15:15,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:15:15,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:15:15,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:15:15,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:15:15,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:15:15,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:15:15,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:15:15,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:15:15,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:15:15,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:15:15,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:15:15,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:15:15,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:15:15,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:15:15,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:15:15,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:15:15,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:15:15,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:15:15,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:15:15,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:15:15,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:15:15,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:15:15,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:15:15,867 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:15:15,868 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2020-07-07 11:15:15,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda335bec/4f066ba78c0c4d67b616315670bdd881/FLAG678809f74 [2020-07-07 11:15:16,484 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:15:16,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2020-07-07 11:15:16,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda335bec/4f066ba78c0c4d67b616315670bdd881/FLAG678809f74 [2020-07-07 11:15:16,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda335bec/4f066ba78c0c4d67b616315670bdd881 [2020-07-07 11:15:16,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:15:16,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:15:16,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:15:16,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:15:16,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:15:16,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:15:16" (1/1) ... [2020-07-07 11:15:16,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6b2286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:16, skipping insertion in model container [2020-07-07 11:15:16,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:15:16" (1/1) ... [2020-07-07 11:15:16,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:15:16,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:15:17,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:15:17,210 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:15:17,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:15:17,381 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:15:17,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17 WrapperNode [2020-07-07 11:15:17,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:15:17,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:15:17,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:15:17,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:15:17,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (1/1) ... [2020-07-07 11:15:17,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:15:17,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:15:17,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:15:17,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:15:17,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (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 11:15:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:15:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:15:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-07-07 11:15:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:15:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:15:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-07 11:15:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:15:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-07 11:15:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-07-07 11:15:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:15:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:15:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:15:17,730 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 11:15:18,374 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-07-07 11:15:18,374 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-07-07 11:15:18,386 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:15:18,386 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:15:18,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:15:18 BoogieIcfgContainer [2020-07-07 11:15:18,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:15:18,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:15:18,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:15:18,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:15:18,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:15:16" (1/3) ... [2020-07-07 11:15:18,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498b9a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:15:18, skipping insertion in model container [2020-07-07 11:15:18,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:15:17" (2/3) ... [2020-07-07 11:15:18,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498b9a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:15:18, skipping insertion in model container [2020-07-07 11:15:18,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:15:18" (3/3) ... [2020-07-07 11:15:18,401 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2020-07-07 11:15:18,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:15:18,421 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:15:18,435 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:15:18,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:15:18,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:15:18,461 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:15:18,462 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:15:18,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:15:18,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:15:18,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:15:18,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:15:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-07-07 11:15:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-07 11:15:18,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:18,493 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] [2020-07-07 11:15:18,494 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2014227619, now seen corresponding path program 1 times [2020-07-07 11:15:18,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:18,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550133332] [2020-07-07 11:15:18,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:18,800 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 11:15:18,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550133332] [2020-07-07 11:15:18,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:18,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:18,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95072694] [2020-07-07 11:15:18,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:18,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:18,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:18,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:18,831 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 5 states. [2020-07-07 11:15:19,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:19,189 INFO L93 Difference]: Finished difference Result 321 states and 540 transitions. [2020-07-07 11:15:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:19,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-07 11:15:19,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:19,205 INFO L225 Difference]: With dead ends: 321 [2020-07-07 11:15:19,206 INFO L226 Difference]: Without dead ends: 158 [2020-07-07 11:15:19,210 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 [2020-07-07 11:15:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-07 11:15:19,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2020-07-07 11:15:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-07 11:15:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 241 transitions. [2020-07-07 11:15:19,271 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 241 transitions. Word has length 28 [2020-07-07 11:15:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:19,272 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 241 transitions. [2020-07-07 11:15:19,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2020-07-07 11:15:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-07 11:15:19,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:19,274 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] [2020-07-07 11:15:19,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:15:19,275 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:19,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:19,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1323094779, now seen corresponding path program 1 times [2020-07-07 11:15:19,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:19,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795838183] [2020-07-07 11:15:19,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:19,393 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 11:15:19,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795838183] [2020-07-07 11:15:19,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:19,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:19,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847585785] [2020-07-07 11:15:19,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:19,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:19,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:19,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:19,398 INFO L87 Difference]: Start difference. First operand 156 states and 241 transitions. Second operand 5 states. [2020-07-07 11:15:19,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:19,686 INFO L93 Difference]: Finished difference Result 319 states and 499 transitions. [2020-07-07 11:15:19,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:19,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-07 11:15:19,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:19,691 INFO L225 Difference]: With dead ends: 319 [2020-07-07 11:15:19,691 INFO L226 Difference]: Without dead ends: 176 [2020-07-07 11:15:19,695 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 [2020-07-07 11:15:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-07 11:15:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-07-07 11:15:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-07 11:15:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 272 transitions. [2020-07-07 11:15:19,733 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 272 transitions. Word has length 29 [2020-07-07 11:15:19,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:19,734 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 272 transitions. [2020-07-07 11:15:19,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2020-07-07 11:15:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-07 11:15:19,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:19,739 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] [2020-07-07 11:15:19,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:15:19,740 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash 172406080, now seen corresponding path program 1 times [2020-07-07 11:15:19,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:19,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321948677] [2020-07-07 11:15:19,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:19,860 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 11:15:19,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321948677] [2020-07-07 11:15:19,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:19,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:19,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889878664] [2020-07-07 11:15:19,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:19,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:19,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:19,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:19,863 INFO L87 Difference]: Start difference. First operand 174 states and 272 transitions. Second operand 5 states. [2020-07-07 11:15:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:20,086 INFO L93 Difference]: Finished difference Result 336 states and 529 transitions. [2020-07-07 11:15:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:20,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-07 11:15:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:20,089 INFO L225 Difference]: With dead ends: 336 [2020-07-07 11:15:20,089 INFO L226 Difference]: Without dead ends: 175 [2020-07-07 11:15:20,091 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 [2020-07-07 11:15:20,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-07 11:15:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-07-07 11:15:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-07-07 11:15:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 273 transitions. [2020-07-07 11:15:20,108 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 273 transitions. Word has length 29 [2020-07-07 11:15:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:20,108 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 273 transitions. [2020-07-07 11:15:20,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2020-07-07 11:15:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-07 11:15:20,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:20,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:15:20,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 11:15:20,111 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:20,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:20,111 INFO L82 PathProgramCache]: Analyzing trace with hash 923618867, now seen corresponding path program 1 times [2020-07-07 11:15:20,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:20,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063021253] [2020-07-07 11:15:20,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,216 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 11:15:20,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063021253] [2020-07-07 11:15:20,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:20,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:20,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226753023] [2020-07-07 11:15:20,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:20,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:20,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:20,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:20,219 INFO L87 Difference]: Start difference. First operand 175 states and 273 transitions. Second operand 5 states. [2020-07-07 11:15:20,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:20,442 INFO L93 Difference]: Finished difference Result 346 states and 541 transitions. [2020-07-07 11:15:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:20,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-07 11:15:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:20,445 INFO L225 Difference]: With dead ends: 346 [2020-07-07 11:15:20,445 INFO L226 Difference]: Without dead ends: 184 [2020-07-07 11:15:20,448 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 [2020-07-07 11:15:20,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-07-07 11:15:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-07-07 11:15:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-07 11:15:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 282 transitions. [2020-07-07 11:15:20,479 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 282 transitions. Word has length 30 [2020-07-07 11:15:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:20,481 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 282 transitions. [2020-07-07 11:15:20,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 282 transitions. [2020-07-07 11:15:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-07 11:15:20,485 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:20,485 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] [2020-07-07 11:15:20,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 11:15:20,486 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:20,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:20,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1826212233, now seen corresponding path program 1 times [2020-07-07 11:15:20,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:20,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163885881] [2020-07-07 11:15:20,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,575 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 11:15:20,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163885881] [2020-07-07 11:15:20,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:20,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:20,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973729026] [2020-07-07 11:15:20,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:20,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:20,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:20,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:20,580 INFO L87 Difference]: Start difference. First operand 184 states and 282 transitions. Second operand 5 states. [2020-07-07 11:15:20,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:20,759 INFO L93 Difference]: Finished difference Result 365 states and 559 transitions. [2020-07-07 11:15:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:20,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-07 11:15:20,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:20,761 INFO L225 Difference]: With dead ends: 365 [2020-07-07 11:15:20,761 INFO L226 Difference]: Without dead ends: 194 [2020-07-07 11:15:20,763 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 [2020-07-07 11:15:20,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-07 11:15:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2020-07-07 11:15:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-07 11:15:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 280 transitions. [2020-07-07 11:15:20,775 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 280 transitions. Word has length 31 [2020-07-07 11:15:20,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:20,775 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 280 transitions. [2020-07-07 11:15:20,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 280 transitions. [2020-07-07 11:15:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-07 11:15:20,776 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:20,777 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] [2020-07-07 11:15:20,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 11:15:20,777 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:20,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:20,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1370712817, now seen corresponding path program 1 times [2020-07-07 11:15:20,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:20,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798523427] [2020-07-07 11:15:20,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:15:20,845 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 11:15:20,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798523427] [2020-07-07 11:15:20,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:15:20,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:15:20,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524121305] [2020-07-07 11:15:20,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:15:20,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:15:20,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:15:20,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:15:20,849 INFO L87 Difference]: Start difference. First operand 184 states and 280 transitions. Second operand 5 states. [2020-07-07 11:15:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:15:21,030 INFO L93 Difference]: Finished difference Result 365 states and 555 transitions. [2020-07-07 11:15:21,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:15:21,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-07 11:15:21,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:15:21,034 INFO L225 Difference]: With dead ends: 365 [2020-07-07 11:15:21,035 INFO L226 Difference]: Without dead ends: 194 [2020-07-07 11:15:21,036 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 [2020-07-07 11:15:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-07 11:15:21,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2020-07-07 11:15:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-07 11:15:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 278 transitions. [2020-07-07 11:15:21,055 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 278 transitions. Word has length 32 [2020-07-07 11:15:21,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:15:21,057 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 278 transitions. [2020-07-07 11:15:21,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:15:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 278 transitions. [2020-07-07 11:15:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-07 11:15:21,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:15:21,069 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] [2020-07-07 11:15:21,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 11:15:21,069 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:15:21,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:15:21,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1592117890, now seen corresponding path program 1 times [2020-07-07 11:15:21,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:15:21,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607078365] [2020-07-07 11:15:21,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:15:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:15:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:15:21,161 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 11:15:21,161 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 11:15:21,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 11:15:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:15:21 BoogieIcfgContainer [2020-07-07 11:15:21,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:15:21,254 INFO L168 Benchmark]: Toolchain (without parser) took 4387.51 ms. Allocated memory was 143.7 MB in the beginning and 251.1 MB in the end (delta: 107.5 MB). Free memory was 101.5 MB in the beginning and 92.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,255 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.68 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 175.0 MB in the end (delta: -73.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,257 INFO L168 Benchmark]: Boogie Preprocessor took 95.90 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 172.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,258 INFO L168 Benchmark]: RCFGBuilder took 910.98 ms. Allocated memory is still 200.3 MB. Free memory was 172.9 MB in the beginning and 120.4 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,259 INFO L168 Benchmark]: TraceAbstraction took 2858.24 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 120.4 MB in the beginning and 92.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:15:21,263 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 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 514.68 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 175.0 MB in the end (delta: -73.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.90 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 172.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 910.98 ms. Allocated memory is still 200.3 MB. Free memory was 172.9 MB in the beginning and 120.4 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2858.24 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 120.4 MB in the beginning and 92.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 628]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L634] int s ; [L635] int tmp ; [L639] s = 8464 VAL [s=8464] [L640] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf = __VERIFIER_nondet_int() ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp = __VERIFIER_nondet_long() ; [L45] int cb ; [L46] long num1 ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 ; [L55] int tmp___4 ; [L56] int tmp___5 ; [L57] int tmp___6 ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 ; [L61] int tmp___10 ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__new_cipher__algorithms = 0 [L73] __cil_tmp56 = 0 [L74] __cil_tmp57 = 0 [L75] __cil_tmp58 = 0 [L76] __cil_tmp59 = 0 [L77] __cil_tmp60 = 0 [L78] __cil_tmp61 = 0 [L79] s__s3__tmp__reuse_message = 0 [L80] s__state = initial_state [L81] blastFlag = 0 [L82] Time = tmp [L83] cb = 0 [L84] ret = -1 [L85] skip = 0 [L86] got_new_session = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=0, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L87] COND TRUE s__info_callback != 0 [L88] cb = s__info_callback VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L94] s__in_handshake ++ VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L95] COND FALSE !(tmp___1 + 12288) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L100] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L104] COND TRUE 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L106] state = s__state VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L107] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L110] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L113] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L116] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L119] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L122] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L125] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L128] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L131] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L275] s__shutdown = 0 [L276] ret = __VERIFIER_nondet_int() [L277] COND TRUE blastFlag == 0 [L278] blastFlag = 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=0, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L280] COND FALSE !(ret <= 0) [L283] got_new_session = 1 [L284] s__state = 8496 [L285] s__init_num = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L591] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L592] COND TRUE ! skip VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L593] COND TRUE state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L594] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L595] COND TRUE cb != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L596] COND TRUE s__info_callback != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] [L628] __VERIFIER_error() VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=3, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-3, s__ctx__stats__sess_accept_good=2, s__ctx__stats__sess_accept_renegotiate=0, s__debug=-2, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=-1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4, tmp=4, tmp___1=-12288, tmp___2=0, tmp___8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 872 SDtfs, 2519 SDslu, 1056 SDs, 0 SdLazy, 947 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, 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, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...