/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 02:30:00,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 02:30:00,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 02:30:00,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 02:30:00,568 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 [2022-03-20 02:30:00,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 02:30:00,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 02:30:00,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-20 02:30:00,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-20 02:30:00,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 02:30:00,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 02:30:00,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 02:30:00,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 02:30:00,600 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 02:30:00,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 02:30:00,601 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 02:30:00,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 02:30:00,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 02:30:00,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 02:30:00,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 02:30:00,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:30:00,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 02:30:00,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 02:30:00,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-20 02:30:00,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-20 02:30:00,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 02:30:00,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 02:30:00,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 02:30:00,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 02:30:00,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 02:30:00,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 02:30:00,813 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 02:30:00,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-20 02:30:00,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d69c0b9e/48797b83a9224d13a2ba5400032a2b92/FLAG8bb5d2f5e [2022-03-20 02:30:01,254 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 02:30:01,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-20 02:30:01,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d69c0b9e/48797b83a9224d13a2ba5400032a2b92/FLAG8bb5d2f5e [2022-03-20 02:30:01,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d69c0b9e/48797b83a9224d13a2ba5400032a2b92 [2022-03-20 02:30:01,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 02:30:01,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 02:30:01,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 02:30:01,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 02:30:01,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 02:30:01,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e57367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01, skipping insertion in model container [2022-03-20 02:30:01,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 02:30:01,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 02:30:01,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-03-20 02:30:01,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:30:01,489 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 02:30:01,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-03-20 02:30:01,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:30:01,548 INFO L208 MainTranslator]: Completed translation [2022-03-20 02:30:01,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01 WrapperNode [2022-03-20 02:30:01,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 02:30:01,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 02:30:01,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 02:30:01,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 02:30:01,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 02:30:01,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 02:30:01,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 02:30:01,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 02:30:01,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (1/1) ... [2022-03-20 02:30:01,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:30:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:01,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 02:30:01,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 02:30:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 02:30:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 02:30:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 02:30:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 02:30:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 02:30:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 02:30:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 02:30:01,755 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 02:30:01,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 02:30:01,856 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:30:02,195 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 02:30:02,196 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 02:30:02,199 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 02:30:02,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 02:30:02,205 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 02:30:02,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:30:02 BoogieIcfgContainer [2022-03-20 02:30:02,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 02:30:02,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 02:30:02,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 02:30:02,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 02:30:02,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 02:30:01" (1/3) ... [2022-03-20 02:30:02,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2718e437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:30:02, skipping insertion in model container [2022-03-20 02:30:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:30:01" (2/3) ... [2022-03-20 02:30:02,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2718e437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:30:02, skipping insertion in model container [2022-03-20 02:30:02,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:30:02" (3/3) ... [2022-03-20 02:30:02,229 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2022-03-20 02:30:02,233 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 02:30:02,233 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 02:30:02,287 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 02:30:02,292 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 02:30:02,292 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 02:30:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 02:30:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 02:30:02,311 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:02,311 INFO L499 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] [2022-03-20 02:30:02,311 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:02,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:02,315 INFO L85 PathProgramCache]: Analyzing trace with hash -53505819, now seen corresponding path program 1 times [2022-03-20 02:30:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:02,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873007519] [2022-03-20 02:30:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:30:02,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:02,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873007519] [2022-03-20 02:30:02,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873007519] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:02,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:02,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:02,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123742695] [2022-03-20 02:30:02,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:02,570 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:02,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:02,598 INFO L87 Difference]: Start difference. First operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:02,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:02,878 INFO L93 Difference]: Finished difference Result 373 states and 628 transitions. [2022-03-20 02:30:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:02,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 02:30:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:02,887 INFO L225 Difference]: With dead ends: 373 [2022-03-20 02:30:02,887 INFO L226 Difference]: Without dead ends: 217 [2022-03-20 02:30:02,890 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:02,892 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 575 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:02,893 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 223 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-03-20 02:30:02,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-03-20 02:30:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 212 states have (on average 1.4952830188679245) internal successors, (317), 212 states have internal predecessors, (317), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2022-03-20 02:30:02,929 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 30 [2022-03-20 02:30:02,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:02,929 INFO L478 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2022-03-20 02:30:02,929 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2022-03-20 02:30:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 02:30:02,931 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:02,931 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-03-20 02:30:02,932 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 02:30:02,932 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:02,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash -67660754, now seen corresponding path program 1 times [2022-03-20 02:30:02,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:02,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027536094] [2022-03-20 02:30:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:02,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:30:03,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:03,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027536094] [2022-03-20 02:30:03,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027536094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:03,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:03,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:03,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368628965] [2022-03-20 02:30:03,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:03,017 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:03,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:03,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:03,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:03,021 INFO L87 Difference]: Start difference. First operand 217 states and 321 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:03,255 INFO L93 Difference]: Finished difference Result 346 states and 519 transitions. [2022-03-20 02:30:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:03,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-20 02:30:03,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:03,257 INFO L225 Difference]: With dead ends: 346 [2022-03-20 02:30:03,257 INFO L226 Difference]: Without dead ends: 242 [2022-03-20 02:30:03,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:03,259 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:03,259 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 192 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-03-20 02:30:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2022-03-20 02:30:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.480349344978166) internal successors, (339), 229 states have internal predecessors, (339), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 343 transitions. [2022-03-20 02:30:03,273 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 343 transitions. Word has length 44 [2022-03-20 02:30:03,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:03,273 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 343 transitions. [2022-03-20 02:30:03,273 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 343 transitions. [2022-03-20 02:30:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 02:30:03,275 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:03,276 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:30:03,276 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 02:30:03,276 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash 791014641, now seen corresponding path program 1 times [2022-03-20 02:30:03,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:03,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028355055] [2022-03-20 02:30:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:03,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 02:30:03,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:03,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028355055] [2022-03-20 02:30:03,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028355055] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:03,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:03,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624826971] [2022-03-20 02:30:03,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:03,356 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:03,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:03,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:03,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:03,357 INFO L87 Difference]: Start difference. First operand 234 states and 343 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:03,563 INFO L93 Difference]: Finished difference Result 557 states and 847 transitions. [2022-03-20 02:30:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:03,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 02:30:03,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:03,565 INFO L225 Difference]: With dead ends: 557 [2022-03-20 02:30:03,566 INFO L226 Difference]: Without dead ends: 334 [2022-03-20 02:30:03,567 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:03,567 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:03,568 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 203 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:03,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-03-20 02:30:03,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 316. [2022-03-20 02:30:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.4115755627009647) internal successors, (439), 311 states have internal predecessors, (439), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 443 transitions. [2022-03-20 02:30:03,579 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 443 transitions. Word has length 61 [2022-03-20 02:30:03,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:03,579 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 443 transitions. [2022-03-20 02:30:03,579 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 443 transitions. [2022-03-20 02:30:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 02:30:03,581 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:03,581 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:30:03,581 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 02:30:03,582 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1014423693, now seen corresponding path program 1 times [2022-03-20 02:30:03,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:03,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091724026] [2022-03-20 02:30:03,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:03,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 02:30:03,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:03,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091724026] [2022-03-20 02:30:03,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091724026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:03,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:03,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:03,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123235925] [2022-03-20 02:30:03,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:03,628 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:03,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:03,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:03,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:03,629 INFO L87 Difference]: Start difference. First operand 316 states and 443 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:03,806 INFO L93 Difference]: Finished difference Result 665 states and 948 transitions. [2022-03-20 02:30:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:03,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 02:30:03,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:03,808 INFO L225 Difference]: With dead ends: 665 [2022-03-20 02:30:03,808 INFO L226 Difference]: Without dead ends: 362 [2022-03-20 02:30:03,809 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:03,810 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:03,811 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:03,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-03-20 02:30:03,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 354. [2022-03-20 02:30:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 349 states have (on average 1.3954154727793697) internal successors, (487), 349 states have internal predecessors, (487), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 491 transitions. [2022-03-20 02:30:03,822 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 491 transitions. Word has length 61 [2022-03-20 02:30:03,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:03,822 INFO L478 AbstractCegarLoop]: Abstraction has 354 states and 491 transitions. [2022-03-20 02:30:03,822 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 491 transitions. [2022-03-20 02:30:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 02:30:03,825 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:03,825 INFO L499 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] [2022-03-20 02:30:03,825 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 02:30:03,825 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2014835408, now seen corresponding path program 1 times [2022-03-20 02:30:03,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:03,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270456497] [2022-03-20 02:30:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 02:30:03,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:03,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270456497] [2022-03-20 02:30:03,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270456497] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:03,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:03,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:03,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243245565] [2022-03-20 02:30:03,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:03,874 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:03,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:03,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:03,875 INFO L87 Difference]: Start difference. First operand 354 states and 491 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:04,054 INFO L93 Difference]: Finished difference Result 801 states and 1149 transitions. [2022-03-20 02:30:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:04,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-20 02:30:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:04,056 INFO L225 Difference]: With dead ends: 801 [2022-03-20 02:30:04,057 INFO L226 Difference]: Without dead ends: 458 [2022-03-20 02:30:04,057 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:04,058 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:04,059 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 180 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-03-20 02:30:04,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 432. [2022-03-20 02:30:04,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.4543325526932085) internal successors, (621), 427 states have internal predecessors, (621), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 625 transitions. [2022-03-20 02:30:04,121 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 625 transitions. Word has length 74 [2022-03-20 02:30:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:04,122 INFO L478 AbstractCegarLoop]: Abstraction has 432 states and 625 transitions. [2022-03-20 02:30:04,122 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 625 transitions. [2022-03-20 02:30:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 02:30:04,129 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:04,129 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2022-03-20 02:30:04,129 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 02:30:04,130 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:04,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 10265417, now seen corresponding path program 1 times [2022-03-20 02:30:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:04,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151203875] [2022-03-20 02:30:04,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-20 02:30:04,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:04,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151203875] [2022-03-20 02:30:04,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151203875] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:04,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:04,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:04,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766020961] [2022-03-20 02:30:04,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:04,253 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:04,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:04,253 INFO L87 Difference]: Start difference. First operand 432 states and 625 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:04,426 INFO L93 Difference]: Finished difference Result 899 states and 1310 transitions. [2022-03-20 02:30:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:04,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-03-20 02:30:04,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:04,441 INFO L225 Difference]: With dead ends: 899 [2022-03-20 02:30:04,441 INFO L226 Difference]: Without dead ends: 480 [2022-03-20 02:30:04,442 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:04,443 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:04,443 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 192 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:04,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-03-20 02:30:04,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 474. [2022-03-20 02:30:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 469 states have (on average 1.4349680170575694) internal successors, (673), 469 states have internal predecessors, (673), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 677 transitions. [2022-03-20 02:30:04,453 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 677 transitions. Word has length 77 [2022-03-20 02:30:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:04,453 INFO L478 AbstractCegarLoop]: Abstraction has 474 states and 677 transitions. [2022-03-20 02:30:04,453 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 677 transitions. [2022-03-20 02:30:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 02:30:04,454 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:04,455 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:30:04,455 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 02:30:04,455 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:04,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1616356031, now seen corresponding path program 1 times [2022-03-20 02:30:04,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:04,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408968804] [2022-03-20 02:30:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-20 02:30:04,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:04,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408968804] [2022-03-20 02:30:04,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408968804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:04,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:04,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:04,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401641942] [2022-03-20 02:30:04,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:04,492 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:04,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:04,493 INFO L87 Difference]: Start difference. First operand 474 states and 677 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:04,645 INFO L93 Difference]: Finished difference Result 953 states and 1367 transitions. [2022-03-20 02:30:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:04,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-03-20 02:30:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:04,648 INFO L225 Difference]: With dead ends: 953 [2022-03-20 02:30:04,648 INFO L226 Difference]: Without dead ends: 712 [2022-03-20 02:30:04,649 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:04,649 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:04,649 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 322 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2022-03-20 02:30:04,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2022-03-20 02:30:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 707 states have (on average 1.42998585572843) internal successors, (1011), 707 states have internal predecessors, (1011), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1015 transitions. [2022-03-20 02:30:04,662 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1015 transitions. Word has length 97 [2022-03-20 02:30:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:04,662 INFO L478 AbstractCegarLoop]: Abstraction has 712 states and 1015 transitions. [2022-03-20 02:30:04,662 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1015 transitions. [2022-03-20 02:30:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 02:30:04,663 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:04,663 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:30:04,664 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 02:30:04,664 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:04,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash 345218627, now seen corresponding path program 1 times [2022-03-20 02:30:04,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:04,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939902810] [2022-03-20 02:30:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:04,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 02:30:04,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:04,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939902810] [2022-03-20 02:30:04,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939902810] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:04,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:04,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:04,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057165259] [2022-03-20 02:30:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:04,696 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:04,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:04,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:04,696 INFO L87 Difference]: Start difference. First operand 712 states and 1015 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:04,847 INFO L93 Difference]: Finished difference Result 1212 states and 1727 transitions. [2022-03-20 02:30:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:04,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-03-20 02:30:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:04,850 INFO L225 Difference]: With dead ends: 1212 [2022-03-20 02:30:04,850 INFO L226 Difference]: Without dead ends: 733 [2022-03-20 02:30:04,851 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:04,852 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:04,852 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 203 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-03-20 02:30:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2022-03-20 02:30:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 728 states have (on average 1.4258241758241759) internal successors, (1038), 728 states have internal predecessors, (1038), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1042 transitions. [2022-03-20 02:30:04,878 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1042 transitions. Word has length 97 [2022-03-20 02:30:04,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:04,879 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 1042 transitions. [2022-03-20 02:30:04,879 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1042 transitions. [2022-03-20 02:30:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-20 02:30:04,880 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:04,880 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:30:04,881 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 02:30:04,883 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:04,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:04,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1195196107, now seen corresponding path program 1 times [2022-03-20 02:30:04,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:04,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332657813] [2022-03-20 02:30:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 02:30:04,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:04,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332657813] [2022-03-20 02:30:04,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332657813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:04,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:04,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:04,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6442882] [2022-03-20 02:30:04,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:04,940 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:04,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:04,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:04,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:04,941 INFO L87 Difference]: Start difference. First operand 733 states and 1042 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:05,117 INFO L93 Difference]: Finished difference Result 974 states and 1388 transitions. [2022-03-20 02:30:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:05,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2022-03-20 02:30:05,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:05,121 INFO L225 Difference]: With dead ends: 974 [2022-03-20 02:30:05,121 INFO L226 Difference]: Without dead ends: 972 [2022-03-20 02:30:05,122 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:05,123 INFO L913 BasicCegarLoop]: 163 mSDtfsCounter, 456 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:05,124 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 170 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-03-20 02:30:05,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2022-03-20 02:30:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 967 states have (on average 1.4291623578076524) internal successors, (1382), 967 states have internal predecessors, (1382), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1386 transitions. [2022-03-20 02:30:05,147 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1386 transitions. Word has length 99 [2022-03-20 02:30:05,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:05,147 INFO L478 AbstractCegarLoop]: Abstraction has 972 states and 1386 transitions. [2022-03-20 02:30:05,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1386 transitions. [2022-03-20 02:30:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-20 02:30:05,149 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:05,149 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:30:05,149 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 02:30:05,149 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:05,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:05,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1938929245, now seen corresponding path program 1 times [2022-03-20 02:30:05,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:05,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16470635] [2022-03-20 02:30:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:05,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 02:30:05,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:05,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16470635] [2022-03-20 02:30:05,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16470635] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:05,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:05,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:05,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962006903] [2022-03-20 02:30:05,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:05,205 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:05,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:05,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:05,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:05,206 INFO L87 Difference]: Start difference. First operand 972 states and 1386 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:05,407 INFO L93 Difference]: Finished difference Result 2037 states and 2925 transitions. [2022-03-20 02:30:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:05,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2022-03-20 02:30:05,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:05,411 INFO L225 Difference]: With dead ends: 2037 [2022-03-20 02:30:05,411 INFO L226 Difference]: Without dead ends: 1078 [2022-03-20 02:30:05,413 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:05,413 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 186 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:05,414 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 192 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:05,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-03-20 02:30:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1064. [2022-03-20 02:30:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1059 states have (on average 1.4107648725212465) internal successors, (1494), 1059 states have internal predecessors, (1494), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1498 transitions. [2022-03-20 02:30:05,439 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1498 transitions. Word has length 124 [2022-03-20 02:30:05,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:05,439 INFO L478 AbstractCegarLoop]: Abstraction has 1064 states and 1498 transitions. [2022-03-20 02:30:05,439 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1498 transitions. [2022-03-20 02:30:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-20 02:30:05,441 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:05,441 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:30:05,442 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 02:30:05,442 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:05,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1804156861, now seen corresponding path program 1 times [2022-03-20 02:30:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:05,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702213441] [2022-03-20 02:30:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 02:30:05,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:05,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702213441] [2022-03-20 02:30:05,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702213441] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:05,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:05,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:05,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131903750] [2022-03-20 02:30:05,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:05,506 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:05,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:05,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:05,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:05,507 INFO L87 Difference]: Start difference. First operand 1064 states and 1498 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:05,731 INFO L93 Difference]: Finished difference Result 2319 states and 3319 transitions. [2022-03-20 02:30:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:05,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-03-20 02:30:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:05,736 INFO L225 Difference]: With dead ends: 2319 [2022-03-20 02:30:05,736 INFO L226 Difference]: Without dead ends: 1260 [2022-03-20 02:30:05,737 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:05,738 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 222 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:05,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 203 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-03-20 02:30:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1220. [2022-03-20 02:30:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1215 states have (on average 1.4139917695473252) internal successors, (1718), 1215 states have internal predecessors, (1718), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1722 transitions. [2022-03-20 02:30:05,761 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1722 transitions. Word has length 145 [2022-03-20 02:30:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:05,762 INFO L478 AbstractCegarLoop]: Abstraction has 1220 states and 1722 transitions. [2022-03-20 02:30:05,762 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1722 transitions. [2022-03-20 02:30:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-20 02:30:05,764 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:05,764 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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] [2022-03-20 02:30:05,764 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 02:30:05,765 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:05,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:05,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1263783822, now seen corresponding path program 1 times [2022-03-20 02:30:05,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:05,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14498763] [2022-03-20 02:30:05,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:05,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 02:30:05,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:05,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14498763] [2022-03-20 02:30:05,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14498763] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:05,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:05,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:05,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54566964] [2022-03-20 02:30:05,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:05,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:05,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:05,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:05,822 INFO L87 Difference]: Start difference. First operand 1220 states and 1722 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:05,985 INFO L93 Difference]: Finished difference Result 2547 states and 3571 transitions. [2022-03-20 02:30:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:05,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-03-20 02:30:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:05,990 INFO L225 Difference]: With dead ends: 2547 [2022-03-20 02:30:05,991 INFO L226 Difference]: Without dead ends: 1340 [2022-03-20 02:30:05,993 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:05,993 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:05,993 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2022-03-20 02:30:06,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1332. [2022-03-20 02:30:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1327 states have (on average 1.3941220798794274) internal successors, (1850), 1327 states have internal predecessors, (1850), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1854 transitions. [2022-03-20 02:30:06,020 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1854 transitions. Word has length 181 [2022-03-20 02:30:06,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:06,020 INFO L478 AbstractCegarLoop]: Abstraction has 1332 states and 1854 transitions. [2022-03-20 02:30:06,021 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1854 transitions. [2022-03-20 02:30:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-20 02:30:06,023 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:06,023 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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] [2022-03-20 02:30:06,023 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 02:30:06,023 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:06,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1824483600, now seen corresponding path program 1 times [2022-03-20 02:30:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672478399] [2022-03-20 02:30:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 02:30:06,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:06,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672478399] [2022-03-20 02:30:06,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672478399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:06,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:06,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:06,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743394729] [2022-03-20 02:30:06,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:06,067 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:06,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:06,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:06,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:06,068 INFO L87 Difference]: Start difference. First operand 1332 states and 1854 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:06,246 INFO L93 Difference]: Finished difference Result 2787 states and 3871 transitions. [2022-03-20 02:30:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:06,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-03-20 02:30:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:06,251 INFO L225 Difference]: With dead ends: 2787 [2022-03-20 02:30:06,251 INFO L226 Difference]: Without dead ends: 1468 [2022-03-20 02:30:06,253 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:06,254 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:06,254 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:06,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-03-20 02:30:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1456. [2022-03-20 02:30:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1451 states have (on average 1.3742246726395588) internal successors, (1994), 1451 states have internal predecessors, (1994), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1998 transitions. [2022-03-20 02:30:06,305 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1998 transitions. Word has length 181 [2022-03-20 02:30:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:06,305 INFO L478 AbstractCegarLoop]: Abstraction has 1456 states and 1998 transitions. [2022-03-20 02:30:06,306 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1998 transitions. [2022-03-20 02:30:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-20 02:30:06,311 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:06,311 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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] [2022-03-20 02:30:06,311 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 02:30:06,311 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1925802926, now seen corresponding path program 1 times [2022-03-20 02:30:06,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:06,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507390878] [2022-03-20 02:30:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:06,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-03-20 02:30:06,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:06,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507390878] [2022-03-20 02:30:06,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507390878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:06,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:06,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938852154] [2022-03-20 02:30:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:06,373 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:06,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:06,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:06,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:06,374 INFO L87 Difference]: Start difference. First operand 1456 states and 1998 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:06,547 INFO L93 Difference]: Finished difference Result 4338 states and 5956 transitions. [2022-03-20 02:30:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 211 [2022-03-20 02:30:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:06,556 INFO L225 Difference]: With dead ends: 4338 [2022-03-20 02:30:06,556 INFO L226 Difference]: Without dead ends: 2895 [2022-03-20 02:30:06,559 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:06,560 INFO L913 BasicCegarLoop]: 325 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:06,560 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 332 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2022-03-20 02:30:06,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2893. [2022-03-20 02:30:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2888 states have (on average 1.3732686980609419) internal successors, (3966), 2888 states have internal predecessors, (3966), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 3970 transitions. [2022-03-20 02:30:06,619 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 3970 transitions. Word has length 211 [2022-03-20 02:30:06,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:06,619 INFO L478 AbstractCegarLoop]: Abstraction has 2893 states and 3970 transitions. [2022-03-20 02:30:06,619 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3970 transitions. [2022-03-20 02:30:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-20 02:30:06,623 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:06,624 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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] [2022-03-20 02:30:06,624 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 02:30:06,624 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:06,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:06,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1808464592, now seen corresponding path program 1 times [2022-03-20 02:30:06,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:06,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801803634] [2022-03-20 02:30:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-20 02:30:06,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:06,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801803634] [2022-03-20 02:30:06,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801803634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:06,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:06,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:06,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899666150] [2022-03-20 02:30:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:06,666 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:06,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:06,666 INFO L87 Difference]: Start difference. First operand 2893 states and 3970 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:06,881 INFO L93 Difference]: Finished difference Result 6073 states and 8335 transitions. [2022-03-20 02:30:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:06,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 211 [2022-03-20 02:30:06,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:06,891 INFO L225 Difference]: With dead ends: 6073 [2022-03-20 02:30:06,891 INFO L226 Difference]: Without dead ends: 3193 [2022-03-20 02:30:06,895 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:06,896 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:06,896 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-20 02:30:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3177. [2022-03-20 02:30:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3172 states have (on average 1.3524590163934427) internal successors, (4290), 3172 states have internal predecessors, (4290), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4294 transitions. [2022-03-20 02:30:06,960 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4294 transitions. Word has length 211 [2022-03-20 02:30:06,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:06,961 INFO L478 AbstractCegarLoop]: Abstraction has 3177 states and 4294 transitions. [2022-03-20 02:30:06,961 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4294 transitions. [2022-03-20 02:30:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-03-20 02:30:06,965 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:06,965 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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] [2022-03-20 02:30:06,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 02:30:06,966 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash -366726440, now seen corresponding path program 1 times [2022-03-20 02:30:06,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:06,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519778515] [2022-03-20 02:30:06,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-03-20 02:30:07,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:07,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519778515] [2022-03-20 02:30:07,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519778515] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:07,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:07,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:07,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167987814] [2022-03-20 02:30:07,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:07,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:07,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:07,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:07,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:07,012 INFO L87 Difference]: Start difference. First operand 3177 states and 4294 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:07,218 INFO L93 Difference]: Finished difference Result 6489 states and 8767 transitions. [2022-03-20 02:30:07,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:07,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 235 [2022-03-20 02:30:07,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:07,228 INFO L225 Difference]: With dead ends: 6489 [2022-03-20 02:30:07,228 INFO L226 Difference]: Without dead ends: 3325 [2022-03-20 02:30:07,233 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:07,234 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:07,234 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:07,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-03-20 02:30:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3309. [2022-03-20 02:30:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3304 states have (on average 1.3444309927360776) internal successors, (4442), 3304 states have internal predecessors, (4442), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 4446 transitions. [2022-03-20 02:30:07,327 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 4446 transitions. Word has length 235 [2022-03-20 02:30:07,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:07,328 INFO L478 AbstractCegarLoop]: Abstraction has 3309 states and 4446 transitions. [2022-03-20 02:30:07,328 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 4446 transitions. [2022-03-20 02:30:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-03-20 02:30:07,333 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:07,334 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:07,334 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 02:30:07,334 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:07,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -333414931, now seen corresponding path program 1 times [2022-03-20 02:30:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:07,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22471326] [2022-03-20 02:30:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 02:30:07,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:07,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22471326] [2022-03-20 02:30:07,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22471326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:07,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:07,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:07,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878393007] [2022-03-20 02:30:07,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:07,381 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:07,381 INFO L87 Difference]: Start difference. First operand 3309 states and 4446 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:07,591 INFO L93 Difference]: Finished difference Result 7005 states and 9547 transitions. [2022-03-20 02:30:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:07,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 246 [2022-03-20 02:30:07,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:07,602 INFO L225 Difference]: With dead ends: 7005 [2022-03-20 02:30:07,602 INFO L226 Difference]: Without dead ends: 3709 [2022-03-20 02:30:07,608 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:07,609 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:07,609 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 193 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3709 states. [2022-03-20 02:30:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3709 to 3621. [2022-03-20 02:30:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 3616 states have (on average 1.3301991150442478) internal successors, (4810), 3616 states have internal predecessors, (4810), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4814 transitions. [2022-03-20 02:30:07,683 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4814 transitions. Word has length 246 [2022-03-20 02:30:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:07,684 INFO L478 AbstractCegarLoop]: Abstraction has 3621 states and 4814 transitions. [2022-03-20 02:30:07,684 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4814 transitions. [2022-03-20 02:30:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-03-20 02:30:07,689 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:07,689 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:07,689 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 02:30:07,690 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:07,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:07,690 INFO L85 PathProgramCache]: Analyzing trace with hash -126033425, now seen corresponding path program 1 times [2022-03-20 02:30:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:07,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935790251] [2022-03-20 02:30:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 02:30:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:07,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935790251] [2022-03-20 02:30:07,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935790251] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:07,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:07,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493006955] [2022-03-20 02:30:07,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:07,763 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:07,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:07,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:07,764 INFO L87 Difference]: Start difference. First operand 3621 states and 4814 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:07,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:07,930 INFO L93 Difference]: Finished difference Result 7637 states and 10091 transitions. [2022-03-20 02:30:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:07,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 260 [2022-03-20 02:30:07,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:07,944 INFO L225 Difference]: With dead ends: 7637 [2022-03-20 02:30:07,944 INFO L226 Difference]: Without dead ends: 4029 [2022-03-20 02:30:07,950 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:07,951 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 277 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:07,951 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 191 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2022-03-20 02:30:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3741. [2022-03-20 02:30:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 3736 states have (on average 1.326017130620985) internal successors, (4954), 3736 states have internal predecessors, (4954), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4958 transitions. [2022-03-20 02:30:08,030 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4958 transitions. Word has length 260 [2022-03-20 02:30:08,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:08,030 INFO L478 AbstractCegarLoop]: Abstraction has 3741 states and 4958 transitions. [2022-03-20 02:30:08,030 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4958 transitions. [2022-03-20 02:30:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-03-20 02:30:08,036 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:08,036 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:08,036 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 02:30:08,036 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:08,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash -237998131, now seen corresponding path program 1 times [2022-03-20 02:30:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:08,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21975735] [2022-03-20 02:30:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-03-20 02:30:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:08,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21975735] [2022-03-20 02:30:08,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21975735] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:08,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:08,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:08,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205947826] [2022-03-20 02:30:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:08,085 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:08,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:08,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:08,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:08,086 INFO L87 Difference]: Start difference. First operand 3741 states and 4958 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:08,296 INFO L93 Difference]: Finished difference Result 10693 states and 14248 transitions. [2022-03-20 02:30:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:08,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 261 [2022-03-20 02:30:08,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:08,323 INFO L225 Difference]: With dead ends: 10693 [2022-03-20 02:30:08,323 INFO L226 Difference]: Without dead ends: 6965 [2022-03-20 02:30:08,328 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:08,329 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 258 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:08,329 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 323 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6965 states. [2022-03-20 02:30:08,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6965 to 6963. [2022-03-20 02:30:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 6958 states have (on average 1.3334291463064099) internal successors, (9278), 6958 states have internal predecessors, (9278), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 9282 transitions. [2022-03-20 02:30:08,449 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 9282 transitions. Word has length 261 [2022-03-20 02:30:08,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:08,449 INFO L478 AbstractCegarLoop]: Abstraction has 6963 states and 9282 transitions. [2022-03-20 02:30:08,449 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 9282 transitions. [2022-03-20 02:30:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-03-20 02:30:08,457 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:08,457 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:08,457 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 02:30:08,457 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -684484950, now seen corresponding path program 1 times [2022-03-20 02:30:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:08,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142158618] [2022-03-20 02:30:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-03-20 02:30:08,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:08,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142158618] [2022-03-20 02:30:08,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142158618] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:08,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:08,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104322436] [2022-03-20 02:30:08,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:08,499 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:08,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:08,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:08,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:08,500 INFO L87 Difference]: Start difference. First operand 6963 states and 9282 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:08,807 INFO L93 Difference]: Finished difference Result 13921 states and 18539 transitions. [2022-03-20 02:30:08,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:08,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 262 [2022-03-20 02:30:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:08,818 INFO L225 Difference]: With dead ends: 13921 [2022-03-20 02:30:08,818 INFO L226 Difference]: Without dead ends: 6971 [2022-03-20 02:30:08,827 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:08,828 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:08,828 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:08,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states. [2022-03-20 02:30:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 6939. [2022-03-20 02:30:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6934 states have (on average 1.3068935679261608) internal successors, (9062), 6934 states have internal predecessors, (9062), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9066 transitions. [2022-03-20 02:30:08,942 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9066 transitions. Word has length 262 [2022-03-20 02:30:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:08,942 INFO L478 AbstractCegarLoop]: Abstraction has 6939 states and 9066 transitions. [2022-03-20 02:30:08,943 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9066 transitions. [2022-03-20 02:30:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-20 02:30:08,951 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:08,951 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:08,951 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 02:30:08,951 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:08,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1980944426, now seen corresponding path program 1 times [2022-03-20 02:30:08,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:08,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510885543] [2022-03-20 02:30:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 02:30:09,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:09,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510885543] [2022-03-20 02:30:09,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510885543] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:09,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813548490] [2022-03-20 02:30:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:09,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:09,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:09,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 02:30:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:09,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-20 02:30:09,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-03-20 02:30:09,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 02:30:09,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813548490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:09,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 02:30:09,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-03-20 02:30:09,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274531790] [2022-03-20 02:30:09,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:09,659 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:09,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:09,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:30:09,660 INFO L87 Difference]: Start difference. First operand 6939 states and 9066 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:09,862 INFO L93 Difference]: Finished difference Result 14043 states and 18356 transitions. [2022-03-20 02:30:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:09,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 285 [2022-03-20 02:30:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:09,875 INFO L225 Difference]: With dead ends: 14043 [2022-03-20 02:30:09,875 INFO L226 Difference]: Without dead ends: 7089 [2022-03-20 02:30:09,887 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-20 02:30:09,888 INFO L913 BasicCegarLoop]: 149 mSDtfsCounter, 248 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:09,888 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 233 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2022-03-20 02:30:10,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 6945. [2022-03-20 02:30:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 6940 states have (on average 1.3069164265129682) internal successors, (9070), 6940 states have internal predecessors, (9070), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9074 transitions. [2022-03-20 02:30:10,048 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9074 transitions. Word has length 285 [2022-03-20 02:30:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:10,048 INFO L478 AbstractCegarLoop]: Abstraction has 6945 states and 9074 transitions. [2022-03-20 02:30:10,048 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9074 transitions. [2022-03-20 02:30:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-03-20 02:30:10,059 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:10,059 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:30:10,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 02:30:10,277 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-03-20 02:30:10,278 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash 381178995, now seen corresponding path program 1 times [2022-03-20 02:30:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:10,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181782640] [2022-03-20 02:30:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 02:30:10,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:10,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181782640] [2022-03-20 02:30:10,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181782640] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:10,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592454749] [2022-03-20 02:30:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:10,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:10,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 02:30:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:10,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:30:10,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 02:30:10,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 02:30:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 02:30:11,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592454749] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 02:30:11,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 02:30:11,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 02:30:11,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141221628] [2022-03-20 02:30:11,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 02:30:11,107 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 02:30:11,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:11,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 02:30:11,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:30:11,108 INFO L87 Difference]: Start difference. First operand 6945 states and 9074 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:11,842 INFO L93 Difference]: Finished difference Result 18411 states and 24440 transitions. [2022-03-20 02:30:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 02:30:11,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 298 [2022-03-20 02:30:11,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:11,861 INFO L225 Difference]: With dead ends: 18411 [2022-03-20 02:30:11,861 INFO L226 Difference]: Without dead ends: 11429 [2022-03-20 02:30:11,876 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-20 02:30:11,877 INFO L913 BasicCegarLoop]: 369 mSDtfsCounter, 489 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:11,877 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 386 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 02:30:11,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11429 states. [2022-03-20 02:30:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11429 to 9779. [2022-03-20 02:30:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9779 states, 9774 states have (on average 1.326989973398813) internal successors, (12970), 9774 states have internal predecessors, (12970), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12974 transitions. [2022-03-20 02:30:12,110 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12974 transitions. Word has length 298 [2022-03-20 02:30:12,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:12,111 INFO L478 AbstractCegarLoop]: Abstraction has 9779 states and 12974 transitions. [2022-03-20 02:30:12,111 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12974 transitions. [2022-03-20 02:30:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-03-20 02:30:12,124 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:12,124 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 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] [2022-03-20 02:30:12,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 02:30:12,339 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-03-20 02:30:12,340 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash -329946898, now seen corresponding path program 2 times [2022-03-20 02:30:12,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:12,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024509666] [2022-03-20 02:30:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 02:30:12,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:12,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024509666] [2022-03-20 02:30:12,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024509666] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:12,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324894324] [2022-03-20 02:30:12,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 02:30:12,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:12,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:12,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 02:30:12,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 02:30:12,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 02:30:12,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:30:12,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-03-20 02:30:12,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 02:30:12,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324894324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:12,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 02:30:12,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 02:30:12,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466127799] [2022-03-20 02:30:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:12,930 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 02:30:12,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 02:30:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:30:12,931 INFO L87 Difference]: Start difference. First operand 9779 states and 12974 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:13,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:13,138 INFO L93 Difference]: Finished difference Result 16850 states and 22072 transitions. [2022-03-20 02:30:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 02:30:13,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 311 [2022-03-20 02:30:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:13,151 INFO L225 Difference]: With dead ends: 16850 [2022-03-20 02:30:13,151 INFO L226 Difference]: Without dead ends: 7090 [2022-03-20 02:30:13,164 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:30:13,164 INFO L913 BasicCegarLoop]: 170 mSDtfsCounter, 13 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:13,165 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 257 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:30:13,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2022-03-20 02:30:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7050. [2022-03-20 02:30:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 7045 states have (on average 1.2848828956706884) internal successors, (9052), 7045 states have internal predecessors, (9052), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 9056 transitions. [2022-03-20 02:30:13,308 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 9056 transitions. Word has length 311 [2022-03-20 02:30:13,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:13,309 INFO L478 AbstractCegarLoop]: Abstraction has 7050 states and 9056 transitions. [2022-03-20 02:30:13,309 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 9056 transitions. [2022-03-20 02:30:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-03-20 02:30:13,319 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:13,319 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 02:30:13,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-20 02:30:13,556 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:13,557 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:13,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash 693944410, now seen corresponding path program 1 times [2022-03-20 02:30:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:13,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975059560] [2022-03-20 02:30:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 02:30:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:13,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975059560] [2022-03-20 02:30:13,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975059560] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:13,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251405581] [2022-03-20 02:30:13,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:13,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:13,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:13,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 02:30:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:13,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:30:13,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-03-20 02:30:14,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 02:30:14,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251405581] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:14,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 02:30:14,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 02:30:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21346072] [2022-03-20 02:30:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:14,389 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 02:30:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 02:30:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:30:14,390 INFO L87 Difference]: Start difference. First operand 7050 states and 9056 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:14,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:14,475 INFO L93 Difference]: Finished difference Result 16087 states and 20644 transitions. [2022-03-20 02:30:14,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 02:30:14,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 378 [2022-03-20 02:30:14,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:14,489 INFO L225 Difference]: With dead ends: 16087 [2022-03-20 02:30:14,490 INFO L226 Difference]: Without dead ends: 9083 [2022-03-20 02:30:14,500 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:30:14,501 INFO L913 BasicCegarLoop]: 321 mSDtfsCounter, 61 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:14,501 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 02:30:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9083 states. [2022-03-20 02:30:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9083 to 9083. [2022-03-20 02:30:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9083 states, 9078 states have (on average 1.2805684071381362) internal successors, (11625), 9078 states have internal predecessors, (11625), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9083 states to 9083 states and 11629 transitions. [2022-03-20 02:30:14,635 INFO L78 Accepts]: Start accepts. Automaton has 9083 states and 11629 transitions. Word has length 378 [2022-03-20 02:30:14,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:14,635 INFO L478 AbstractCegarLoop]: Abstraction has 9083 states and 11629 transitions. [2022-03-20 02:30:14,635 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 9083 states and 11629 transitions. [2022-03-20 02:30:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-20 02:30:14,642 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:14,642 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 02:30:14,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 02:30:14,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:14,856 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:14,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1349613086, now seen corresponding path program 1 times [2022-03-20 02:30:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:14,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645208618] [2022-03-20 02:30:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 02:30:14,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:14,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645208618] [2022-03-20 02:30:14,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645208618] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:14,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493956070] [2022-03-20 02:30:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:14,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:14,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:14,932 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:14,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 02:30:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:15,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:30:15,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 02:30:15,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 02:30:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 02:30:15,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493956070] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 02:30:15,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 02:30:15,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 02:30:15,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62808679] [2022-03-20 02:30:15,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 02:30:15,966 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 02:30:15,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:15,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 02:30:15,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:30:15,967 INFO L87 Difference]: Start difference. First operand 9083 states and 11629 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:16,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:16,378 INFO L93 Difference]: Finished difference Result 19686 states and 25117 transitions. [2022-03-20 02:30:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 02:30:16,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 380 [2022-03-20 02:30:16,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:16,396 INFO L225 Difference]: With dead ends: 19686 [2022-03-20 02:30:16,396 INFO L226 Difference]: Without dead ends: 10662 [2022-03-20 02:30:16,407 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:30:16,407 INFO L913 BasicCegarLoop]: 205 mSDtfsCounter, 604 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:16,408 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 222 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 02:30:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-03-20 02:30:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 9623. [2022-03-20 02:30:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9623 states, 9618 states have (on average 1.2763568309419837) internal successors, (12276), 9618 states have internal predecessors, (12276), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 12280 transitions. [2022-03-20 02:30:16,633 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 12280 transitions. Word has length 380 [2022-03-20 02:30:16,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:16,634 INFO L478 AbstractCegarLoop]: Abstraction has 9623 states and 12280 transitions. [2022-03-20 02:30:16,634 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 12280 transitions. [2022-03-20 02:30:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-20 02:30:16,642 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:16,642 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 02:30:16,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 02:30:16,843 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-03-20 02:30:16,843 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:16,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:16,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1929917103, now seen corresponding path program 1 times [2022-03-20 02:30:16,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:16,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813496111] [2022-03-20 02:30:16,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:16,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-20 02:30:16,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:16,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813496111] [2022-03-20 02:30:16,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813496111] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:30:16,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:30:16,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:30:16,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118915395] [2022-03-20 02:30:16,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:30:16,950 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:30:16,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:16,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:30:16,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:30:16,951 INFO L87 Difference]: Start difference. First operand 9623 states and 12280 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:17,203 INFO L93 Difference]: Finished difference Result 16901 states and 21226 transitions. [2022-03-20 02:30:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:30:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 419 [2022-03-20 02:30:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:17,210 INFO L225 Difference]: With dead ends: 16901 [2022-03-20 02:30:17,210 INFO L226 Difference]: Without dead ends: 3828 [2022-03-20 02:30:17,224 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:30:17,224 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:17,224 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 191 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 02:30:17,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-03-20 02:30:17,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3684. [2022-03-20 02:30:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 3679 states have (on average 1.259853220983963) internal successors, (4635), 3679 states have internal predecessors, (4635), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 4639 transitions. [2022-03-20 02:30:17,286 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 4639 transitions. Word has length 419 [2022-03-20 02:30:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:17,286 INFO L478 AbstractCegarLoop]: Abstraction has 3684 states and 4639 transitions. [2022-03-20 02:30:17,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4639 transitions. [2022-03-20 02:30:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-03-20 02:30:17,291 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:30:17,291 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 02:30:17,291 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 02:30:17,291 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:30:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:30:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2052196744, now seen corresponding path program 1 times [2022-03-20 02:30:17,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:30:17,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779585921] [2022-03-20 02:30:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:30:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:30:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 02:30:17,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:30:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779585921] [2022-03-20 02:30:17,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779585921] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:30:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066943154] [2022-03-20 02:30:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:30:17,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:30:17,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:30:17,400 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:30:17,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-20 02:30:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:30:17,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:30:17,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:30:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 02:30:18,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 02:30:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 02:30:18,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066943154] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 02:30:18,543 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 02:30:18,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 02:30:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782781126] [2022-03-20 02:30:18,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 02:30:18,545 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 02:30:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:30:18,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 02:30:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 02:30:18,546 INFO L87 Difference]: Start difference. First operand 3684 states and 4639 transitions. Second operand has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:18,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:30:18,889 INFO L93 Difference]: Finished difference Result 3907 states and 4918 transitions. [2022-03-20 02:30:18,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 02:30:18,889 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 448 [2022-03-20 02:30:18,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:30:18,889 INFO L225 Difference]: With dead ends: 3907 [2022-03-20 02:30:18,889 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 02:30:18,895 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-20 02:30:18,895 INFO L913 BasicCegarLoop]: 124 mSDtfsCounter, 243 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:30:18,896 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 151 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 02:30:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 02:30:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 02:30:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 02:30:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 02:30:18,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2022-03-20 02:30:18,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:30:18,896 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 02:30:18,896 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:30:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 02:30:18,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 02:30:18,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 02:30:18,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-20 02:30:19,119 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-20 02:30:19,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 02:30:21,907 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 13) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 558 568) the Hoare annotation is: true [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 558 568) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 558 568) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L885 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-03-20 02:30:21,908 INFO L882 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-03-20 02:30:21,909 INFO L882 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-03-20 02:30:21,909 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-03-20 02:30:21,909 INFO L882 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-03-20 02:30:21,910 INFO L882 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-03-20 02:30:21,910 INFO L878 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (<= ssl3_connect_~s__state~0 4560)) (.cse0 (< ssl3_connect_~s__state~0 12292)) (.cse1 (<= 4560 ssl3_connect_~s__state~0)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse5 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse3 .cse5) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse5 (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-20 02:30:21,911 INFO L878 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 1) (< ssl3_connect_~s__state~0 4400)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 02:30:21,911 INFO L882 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-03-20 02:30:21,911 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-20 02:30:21,911 INFO L882 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-03-20 02:30:21,912 INFO L878 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse3 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (= ssl3_connect_~s__hit~0 0)) (.cse5 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0))) (or (and .cse0 .cse1 .cse2 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2022-03-20 02:30:21,912 INFO L878 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,912 INFO L882 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L882 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,913 INFO L885 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-03-20 02:30:21,915 INFO L878 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L878 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,915 INFO L878 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-03-20 02:30:21,915 INFO L882 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-03-20 02:30:21,916 INFO L882 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-03-20 02:30:21,916 INFO L882 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-03-20 02:30:21,916 INFO L882 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-03-20 02:30:21,916 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L878 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 02:30:21,922 INFO L885 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L878 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-03-20 02:30:21,922 INFO L882 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-03-20 02:30:21,923 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 557) the Hoare annotation is: true [2022-03-20 02:30:21,928 INFO L878 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,928 INFO L882 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-03-20 02:30:21,928 INFO L882 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-03-20 02:30:21,928 INFO L882 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-03-20 02:30:21,928 INFO L882 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-03-20 02:30:21,928 INFO L882 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L878 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-03-20 02:30:21,929 INFO L878 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,929 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 557) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L878 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 557) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L878 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse3 (< 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 (= 2 ssl3_connect_~blastFlag~0) .cse1 .cse3) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 .cse3) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L878 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse7 (= 4512 ssl3_connect_~s__state~0)) (.cse3 (< 4432 ssl3_connect_~s__state~0)) (.cse5 (= 3 ssl3_connect_~s__state~0)) (.cse9 (= 4432 ssl3_connect_~s__state~0)) (.cse11 (<= 4560 ssl3_connect_~s__state~0)) (.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse10 (= ssl3_connect_~s__state~0 4416)) (.cse13 (<= 4352 ssl3_connect_~s__state~0)) (.cse14 (<= ssl3_connect_~s__state~0 4352)) (.cse15 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (= ssl3_connect_~s__state~0 4528)) (.cse6 (= 2 ssl3_connect_~blastFlag~0)) (.cse12 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse16 (= 4400 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse4 (<= ssl3_connect_~blastFlag~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1) (and .cse6 .cse7) (and .cse1 .cse2 .cse7) (and .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse1 .cse2) (and .cse0 .cse6 .cse1 .cse3) (and .cse9 .cse1 .cse2 .cse4) (and .cse10 .cse1 .cse2 .cse4) (and .cse11 .cse0 .cse6) (and .cse12 .cse5 .cse6) (and .cse13 .cse14 .cse6 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse12 .cse5 .cse2) (and .cse6 .cse9 .cse1) (and .cse11 .cse12 .cse0 .cse1 .cse2 .cse15) (and .cse1 .cse2 (= 4496 ssl3_connect_~s__state~0)) (and .cse16 .cse6 .cse1) (and .cse10 .cse6 .cse1) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4480)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse13 .cse14 .cse12 .cse1 .cse2 .cse15) (and .cse13 .cse14 .cse12 .cse6 .cse1 .cse15) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0)) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4464)) (and .cse8 .cse6) (and .cse12 .cse16 .cse1 .cse2 .cse4))) [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-03-20 02:30:21,930 INFO L882 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L878 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 02:30:21,931 INFO L878 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0))) [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-03-20 02:30:21,931 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 02:30:21,932 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 02:30:21,940 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 02:30:21,940 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 02:30:21,945 INFO L719 BasicCegarLoop]: Path program histogram: [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] [2022-03-20 02:30:21,946 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 02:30:21,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 02:30:21 BoogieIcfgContainer [2022-03-20 02:30:21,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 02:30:21,988 INFO L158 Benchmark]: Toolchain (without parser) took 20714.50ms. Allocated memory was 175.1MB in the beginning and 859.8MB in the end (delta: 684.7MB). Free memory was 124.8MB in the beginning and 343.9MB in the end (delta: -219.1MB). Peak memory consumption was 475.0MB. Max. memory is 8.0GB. [2022-03-20 02:30:21,989 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 02:30:21,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.82ms. Allocated memory is still 175.1MB. Free memory was 124.6MB in the beginning and 148.2MB in the end (delta: -23.6MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-03-20 02:30:21,989 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 175.1MB. Free memory was 148.2MB in the beginning and 145.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 02:30:21,989 INFO L158 Benchmark]: RCFGBuilder took 593.69ms. Allocated memory is still 175.1MB. Free memory was 145.6MB in the beginning and 119.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-20 02:30:21,989 INFO L158 Benchmark]: TraceAbstraction took 19763.68ms. Allocated memory was 175.1MB in the beginning and 859.8MB in the end (delta: 684.7MB). Free memory was 119.3MB in the beginning and 343.9MB in the end (delta: -224.6MB). Peak memory consumption was 469.2MB. Max. memory is 8.0GB. [2022-03-20 02:30:21,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.82ms. Allocated memory is still 175.1MB. Free memory was 124.6MB in the beginning and 148.2MB in the end (delta: -23.6MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 175.1MB. Free memory was 148.2MB in the beginning and 145.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 593.69ms. Allocated memory is still 175.1MB. Free memory was 145.6MB in the beginning and 119.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 19763.68ms. Allocated memory was 175.1MB in the beginning and 859.8MB in the end (delta: 684.7MB). Free memory was 119.3MB in the beginning and 343.9MB in the end (delta: -224.6MB). Peak memory consumption was 469.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 554]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6806 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6804 mSDsluCounter, 6198 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 608 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6243 IncrementalHoareTripleChecker+Invalid, 6851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 608 mSolverCounterUnsat, 5654 mSDtfsCounter, 6243 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3424 GetRequests, 3319 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9779occurred in iteration=22, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 3601 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 221 NumberOfFragments, 793 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4668 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 26 FomulaSimplificationsInter, 12932 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 7576 NumberOfCodeBlocks, 7576 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 8666 ConstructedInterpolants, 0 QuantifiedInterpolants, 12841 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4257 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 28878/29017 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 1) && s__state < 4400) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || (2 == blastFlag && 4512 == s__state)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4512 == s__state)) || (((3 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || (((4432 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((s__state == 4416 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && 2 == blastFlag)) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && s__s3__tmp__new_cipher__algorithms == 256)) || ((2 == blastFlag && 4432 == s__state) && s__hit == 0)) || (((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4496 == s__state)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__state == 4416 && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4480)) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (s__state == 4368 && blastFlag == 0)) || (blastFlag == 1 && s__state == 4384)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4464)) || (s__state == 4528 && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((((((s__state < 12292 && 4560 <= s__state) && 2 == blastFlag) && s__hit == 0) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || !(12292 <= \old(initial_state))) || ((((s__state < 12292 && 4560 <= s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || (s__state == 4368 && blastFlag == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) || !(12292 <= \old(initial_state))) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) RESULT: Ultimate proved your program to be correct! [2022-03-20 02:30:22,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...