/usr/bin/java -ea -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/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 17:53:05,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 17:53:05,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 17:53:05,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 17:53:05,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 17:53:05,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 17:53:05,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 17:53:05,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 17:53:05,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 17:53:05,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 17:53:05,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 17:53:05,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 17:53:05,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 17:53:05,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 17:53:05,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 17:53:05,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 17:53:05,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 17:53:05,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 17:53:05,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 17:53:05,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 17:53:05,119 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 17:53:05,120 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 17:53:05,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 17:53:05,120 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 17:53:05,120 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 17:53:05,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 17:53:05,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 17:53:05,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 17:53:05,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 17:53:05,374 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 17:53:05,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-2.c [2022-04-15 17:53:05,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7244518/b89b7de44e2d4a03b96c498c4ee09bd7/FLAGd0ebee7d7 [2022-04-15 17:53:05,788 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 17:53:05,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-2.c [2022-04-15 17:53:05,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7244518/b89b7de44e2d4a03b96c498c4ee09bd7/FLAGd0ebee7d7 [2022-04-15 17:53:05,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7244518/b89b7de44e2d4a03b96c498c4ee09bd7 [2022-04-15 17:53:05,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 17:53:05,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 17:53:05,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 17:53:05,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 17:53:05,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 17:53:05,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 05:53:05" (1/1) ... [2022-04-15 17:53:05,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648a9c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:05, skipping insertion in model container [2022-04-15 17:53:05,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 05:53:05" (1/1) ... [2022-04-15 17:53:05,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 17:53:05,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 17:53:06,112 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_srvr_6.cil-2.c[48455,48468] [2022-04-15 17:53:06,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 17:53:06,127 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 17:53:06,185 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_srvr_6.cil-2.c[48455,48468] [2022-04-15 17:53:06,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 17:53:06,200 INFO L208 MainTranslator]: Completed translation [2022-04-15 17:53:06,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06 WrapperNode [2022-04-15 17:53:06,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 17:53:06,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 17:53:06,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 17:53:06,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 17:53:06,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 17:53:06,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 17:53:06,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 17:53:06,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 17:53:06,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (1/1) ... [2022-04-15 17:53:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 17:53:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 17:53:06,300 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) [2022-04-15 17:53:06,313 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 [2022-04-15 17:53:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 17:53:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 17:53:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 17:53:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-15 17:53:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-15 17:53:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 17:53:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-15 17:53:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-15 17:53:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 17:53:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 17:53:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 17:53:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 17:53:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 17:53:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 17:53:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 17:53:06,416 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 17:53:06,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 17:53:06,474 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-15 17:53:06,955 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-15 17:53:06,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-15 17:53:06,962 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 17:53:06,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 17:53:06,970 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 17:53:06,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 05:53:06 BoogieIcfgContainer [2022-04-15 17:53:06,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 17:53:06,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 17:53:06,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 17:53:06,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 17:53:06,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 05:53:05" (1/3) ... [2022-04-15 17:53:06,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92a023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 05:53:06, skipping insertion in model container [2022-04-15 17:53:06,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:53:06" (2/3) ... [2022-04-15 17:53:06,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92a023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 05:53:06, skipping insertion in model container [2022-04-15 17:53:06,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 05:53:06" (3/3) ... [2022-04-15 17:53:06,979 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-2.c [2022-04-15 17:53:06,983 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 17:53:06,983 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 17:53:07,009 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 17:53:07,013 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-04-15 17:53:07,014 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 17:53:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 159 states have (on average 1.7421383647798743) internal successors, (277), 160 states have internal predecessors, (277), 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) [2022-04-15 17:53:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-15 17:53:07,047 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 17:53:07,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 17:53:07,047 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 17:53:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 17:53:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1438315917, now seen corresponding path program 1 times [2022-04-15 17:53:07,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:07,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [417181950] [2022-04-15 17:53:07,063 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 17:53:07,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1438315917, now seen corresponding path program 2 times [2022-04-15 17:53:07,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 17:53:07,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966154521] [2022-04-15 17:53:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 17:53:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 17:53:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 17:53:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:07,257 INFO L290 TraceCheckUtils]: 0: Hoare triple {178#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {170#true} is VALID [2022-04-15 17:53:07,258 INFO L290 TraceCheckUtils]: 1: Hoare triple {170#true} assume true; {170#true} is VALID [2022-04-15 17:53:07,258 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {170#true} {170#true} #704#return; {170#true} is VALID [2022-04-15 17:53:07,259 INFO L272 TraceCheckUtils]: 0: Hoare triple {170#true} call ULTIMATE.init(); {178#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 17:53:07,259 INFO L290 TraceCheckUtils]: 1: Hoare triple {178#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {170#true} is VALID [2022-04-15 17:53:07,259 INFO L290 TraceCheckUtils]: 2: Hoare triple {170#true} assume true; {170#true} is VALID [2022-04-15 17:53:07,259 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {170#true} {170#true} #704#return; {170#true} is VALID [2022-04-15 17:53:07,260 INFO L272 TraceCheckUtils]: 4: Hoare triple {170#true} call #t~ret55 := main(); {170#true} is VALID [2022-04-15 17:53:07,260 INFO L290 TraceCheckUtils]: 5: Hoare triple {170#true} havoc ~s~0;havoc ~tmp~1;~s~0 := 8464; {175#(<= main_~s~0 8464)} is VALID [2022-04-15 17:53:07,261 INFO L272 TraceCheckUtils]: 6: Hoare triple {175#(<= main_~s~0 8464)} call #t~ret54 := ssl3_accept(~s~0); {176#(not (= 8640 |ssl3_accept_#in~initial_state|))} is VALID [2022-04-15 17:53:07,263 INFO L290 TraceCheckUtils]: 7: Hoare triple {176#(not (= 8640 |ssl3_accept_#in~initial_state|))} ~initial_state := #in~initial_state;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~s__info_callback~0 := #t~nondet4;havoc #t~nondet4;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~s__in_handshake~0 := #t~nondet5;havoc #t~nondet5;havoc ~s__state~0;havoc ~s__new_session~0;havoc ~s__server~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~s__version~0 := #t~nondet6;havoc #t~nondet6;havoc ~s__type~0;havoc ~s__init_num~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~s__hit~0 := #t~nondet7;havoc #t~nondet7;havoc ~s__rwstate~0;~s__init_buf___0~0 := 1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~s__debug~0 := #t~nondet8;havoc #t~nondet8;havoc ~s__shutdown~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~s__cert~0 := #t~nondet9;havoc #t~nondet9;assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647;~s__options~0 := #t~nondet10;havoc #t~nondet10;assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647;~s__verify_mode~0 := #t~nondet11;havoc #t~nondet11;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~s__session__peer~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~s__cert__pkeys__AT0__privatekey~0 := #t~nondet13;havoc #t~nondet13;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~s__ctx__info_callback~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~s__ctx__stats__sess_accept_renegotiate~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~s__ctx__stats__sess_accept~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~s__ctx__stats__sess_accept_good~0 := #t~nondet17;havoc #t~nondet17;havoc ~s__s3__tmp__cert_request~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~s__s3__tmp__reuse_message~0 := #t~nondet18;havoc #t~nondet18;havoc ~s__s3__tmp__use_rsa_tmp~0;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~s__s3__tmp__new_cipher~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet20;havoc #t~nondet20;havoc ~s__s3__tmp__next_state___0~0;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~s__s3__tmp__new_cipher__algo_strength~0 := #t~nondet21;havoc #t~nondet21;havoc ~s__session__cipher~0;havoc ~buf~0;havoc ~l~0;havoc ~Time~0;havoc ~tmp~0;havoc ~cb~0;assume -9223372036854775808 <= #t~nondet22 && #t~nondet22 <= 9223372036854775807;~num1~0 := #t~nondet22;havoc #t~nondet22;havoc ~ret~0;havoc ~new_state~0;havoc ~state~0;havoc ~skip~0;havoc ~got_new_session~0;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~tmp___1~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~tmp___2~0 := #t~nondet24;havoc #t~nondet24;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~tmp___3~0 := #t~nondet25;havoc #t~nondet25;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~tmp___4~0 := #t~nondet26;havoc #t~nondet26;assume -2147483648 <= #t~nondet27 && #t~nondet27 <= 2147483647;~tmp___5~0 := #t~nondet27;havoc #t~nondet27;assume -2147483648 <= #t~nondet28 && #t~nondet28 <= 2147483647;~tmp___6~0 := #t~nondet28;havoc #t~nondet28;havoc ~tmp___7~0;assume -9223372036854775808 <= #t~nondet29 && #t~nondet29 <= 9223372036854775807;~tmp___8~0 := #t~nondet29;havoc #t~nondet29;assume -2147483648 <= #t~nondet30 && #t~nondet30 <= 2147483647;~tmp___9~0 := #t~nondet30;havoc #t~nondet30;assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647;~tmp___10~0 := #t~nondet31;havoc #t~nondet31;havoc ~blastFlag~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;havoc ~__cil_tmp60~0;havoc ~__cil_tmp61~0;~s__state~0 := ~initial_state;~blastFlag~0 := 0;assume -2147483648 <= #t~nondet32 && #t~nondet32 <= 2147483647;~tmp~0 := #t~nondet32;havoc #t~nondet32;~Time~0 := ~tmp~0;~cb~0 := 0;~ret~0 := -1;~skip~0 := 0;~got_new_session~0 := 0; {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,263 INFO L290 TraceCheckUtils]: 8: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume 0 != ~s__info_callback~0;~cb~0 := ~s__info_callback~0; {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,264 INFO L290 TraceCheckUtils]: 9: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} #t~post33 := ~s__in_handshake~0;~s__in_handshake~0 := 1 + #t~post33;havoc #t~post33; {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,264 INFO L290 TraceCheckUtils]: 10: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(0 != 12288 + ~tmp___1~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,264 INFO L290 TraceCheckUtils]: 11: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(0 == ~s__cert~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,265 INFO L290 TraceCheckUtils]: 12: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !false; {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,265 INFO L290 TraceCheckUtils]: 13: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} ~state~0 := ~s__state~0; {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,266 INFO L290 TraceCheckUtils]: 14: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(12292 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,266 INFO L290 TraceCheckUtils]: 15: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(16384 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,267 INFO L290 TraceCheckUtils]: 16: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8192 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,267 INFO L290 TraceCheckUtils]: 17: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(24576 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,267 INFO L290 TraceCheckUtils]: 18: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8195 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,268 INFO L290 TraceCheckUtils]: 19: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8480 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,268 INFO L290 TraceCheckUtils]: 20: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8481 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,268 INFO L290 TraceCheckUtils]: 21: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8482 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,269 INFO L290 TraceCheckUtils]: 22: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8464 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,269 INFO L290 TraceCheckUtils]: 23: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8465 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,270 INFO L290 TraceCheckUtils]: 24: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8466 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,270 INFO L290 TraceCheckUtils]: 25: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8496 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,270 INFO L290 TraceCheckUtils]: 26: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8497 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,271 INFO L290 TraceCheckUtils]: 27: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8512 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,271 INFO L290 TraceCheckUtils]: 28: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8513 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,272 INFO L290 TraceCheckUtils]: 29: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8528 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,272 INFO L290 TraceCheckUtils]: 30: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8529 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,272 INFO L290 TraceCheckUtils]: 31: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8544 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,273 INFO L290 TraceCheckUtils]: 32: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8545 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,273 INFO L290 TraceCheckUtils]: 33: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8560 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,274 INFO L290 TraceCheckUtils]: 34: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8561 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,274 INFO L290 TraceCheckUtils]: 35: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8448 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,274 INFO L290 TraceCheckUtils]: 36: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8576 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,275 INFO L290 TraceCheckUtils]: 37: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8577 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,275 INFO L290 TraceCheckUtils]: 38: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8592 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,275 INFO L290 TraceCheckUtils]: 39: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8593 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,276 INFO L290 TraceCheckUtils]: 40: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8608 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,276 INFO L290 TraceCheckUtils]: 41: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume !(8609 == ~s__state~0); {177#(not (= ssl3_accept_~s__state~0 8640))} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 42: Hoare triple {177#(not (= ssl3_accept_~s__state~0 8640))} assume 8640 == ~s__state~0; {171#false} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 43: Hoare triple {171#false} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~ret~0 := #t~nondet48;havoc #t~nondet48; {171#false} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 44: Hoare triple {171#false} assume !(9 == ~blastFlag~0); {171#false} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 45: Hoare triple {171#false} assume !(12 == ~blastFlag~0); {171#false} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 46: Hoare triple {171#false} assume !(15 == ~blastFlag~0); {171#false} is VALID [2022-04-15 17:53:07,277 INFO L290 TraceCheckUtils]: 47: Hoare triple {171#false} assume !(18 == ~blastFlag~0); {171#false} is VALID [2022-04-15 17:53:07,278 INFO L290 TraceCheckUtils]: 48: Hoare triple {171#false} assume 21 == ~blastFlag~0; {171#false} is VALID [2022-04-15 17:53:07,278 INFO L290 TraceCheckUtils]: 49: Hoare triple {171#false} assume !false; {171#false} is VALID [2022-04-15 17:53:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 17:53:07,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 17:53:07,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966154521] [2022-04-15 17:53:07,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966154521] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:07,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:07,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 17:53:07,281 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 17:53:07,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [417181950] [2022-04-15 17:53:07,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [417181950] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:07,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:07,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 17:53:07,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033734279] [2022-04-15 17:53:07,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 17:53:07,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) Word has length 50 [2022-04-15 17:53:07,287 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 17:53:07,288 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) [2022-04-15 17:53:07,326 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:07,327 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 17:53:07,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:07,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 17:53:07,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 17:53:07,341 INFO L87 Difference]: Start difference. First operand has 167 states, 159 states have (on average 1.7421383647798743) internal successors, (277), 160 states have internal predecessors, (277), 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 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) [2022-04-15 17:53:08,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:08,500 INFO L93 Difference]: Finished difference Result 373 states and 645 transitions. [2022-04-15 17:53:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 17:53:08,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) Word has length 50 [2022-04-15 17:53:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 17:53:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) [2022-04-15 17:53:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2022-04-15 17:53:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) [2022-04-15 17:53:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2022-04-15 17:53:08,519 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 645 transitions. [2022-04-15 17:53:08,975 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 645 edges. 645 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:08,985 INFO L225 Difference]: With dead ends: 373 [2022-04-15 17:53:08,985 INFO L226 Difference]: Without dead ends: 199 [2022-04-15 17:53:08,987 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-15 17:53:08,989 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 931 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-15 17:53:08,990 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 225 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-15 17:53:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-04-15 17:53:09,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2022-04-15 17:53:09,024 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 17:53:09,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 199 states. Second operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) [2022-04-15 17:53:09,026 INFO L74 IsIncluded]: Start isIncluded. First operand 199 states. Second operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) [2022-04-15 17:53:09,027 INFO L87 Difference]: Start difference. First operand 199 states. Second operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) [2022-04-15 17:53:09,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:09,034 INFO L93 Difference]: Finished difference Result 199 states and 322 transitions. [2022-04-15 17:53:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 322 transitions. [2022-04-15 17:53:09,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:09,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:09,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) Second operand 199 states. [2022-04-15 17:53:09,037 INFO L87 Difference]: Start difference. First operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) Second operand 199 states. [2022-04-15 17:53:09,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:09,043 INFO L93 Difference]: Finished difference Result 199 states and 322 transitions. [2022-04-15 17:53:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 322 transitions. [2022-04-15 17:53:09,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:09,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:09,044 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 17:53:09,044 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 17:53:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 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) [2022-04-15 17:53:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 307 transitions. [2022-04-15 17:53:09,051 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 307 transitions. Word has length 50 [2022-04-15 17:53:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 17:53:09,051 INFO L478 AbstractCegarLoop]: Abstraction has 189 states and 307 transitions. [2022-04-15 17:53:09,051 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 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) [2022-04-15 17:53:09,051 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 189 states and 307 transitions. [2022-04-15 17:53:09,286 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 307 edges. 307 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 307 transitions. [2022-04-15 17:53:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-15 17:53:09,287 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 17:53:09,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 17:53:09,287 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 17:53:09,288 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 17:53:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 17:53:09,288 INFO L85 PathProgramCache]: Analyzing trace with hash 931339332, now seen corresponding path program 1 times [2022-04-15 17:53:09,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:09,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [229760726] [2022-04-15 17:53:09,289 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 17:53:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash 931339332, now seen corresponding path program 2 times [2022-04-15 17:53:09,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 17:53:09,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508538026] [2022-04-15 17:53:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 17:53:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 17:53:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 17:53:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:09,380 INFO L290 TraceCheckUtils]: 0: Hoare triple {1717#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1709#true} is VALID [2022-04-15 17:53:09,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2022-04-15 17:53:09,380 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1709#true} #704#return; {1709#true} is VALID [2022-04-15 17:53:09,381 INFO L272 TraceCheckUtils]: 0: Hoare triple {1709#true} call ULTIMATE.init(); {1717#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 17:53:09,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {1717#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1709#true} is VALID [2022-04-15 17:53:09,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {1709#true} assume true; {1709#true} is VALID [2022-04-15 17:53:09,381 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1709#true} {1709#true} #704#return; {1709#true} is VALID [2022-04-15 17:53:09,381 INFO L272 TraceCheckUtils]: 4: Hoare triple {1709#true} call #t~ret55 := main(); {1709#true} is VALID [2022-04-15 17:53:09,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {1709#true} havoc ~s~0;havoc ~tmp~1;~s~0 := 8464; {1714#(<= main_~s~0 8464)} is VALID [2022-04-15 17:53:09,382 INFO L272 TraceCheckUtils]: 6: Hoare triple {1714#(<= main_~s~0 8464)} call #t~ret54 := ssl3_accept(~s~0); {1715#(not (= 8641 |ssl3_accept_#in~initial_state|))} is VALID [2022-04-15 17:53:09,384 INFO L290 TraceCheckUtils]: 7: Hoare triple {1715#(not (= 8641 |ssl3_accept_#in~initial_state|))} ~initial_state := #in~initial_state;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~s__info_callback~0 := #t~nondet4;havoc #t~nondet4;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~s__in_handshake~0 := #t~nondet5;havoc #t~nondet5;havoc ~s__state~0;havoc ~s__new_session~0;havoc ~s__server~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~s__version~0 := #t~nondet6;havoc #t~nondet6;havoc ~s__type~0;havoc ~s__init_num~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~s__hit~0 := #t~nondet7;havoc #t~nondet7;havoc ~s__rwstate~0;~s__init_buf___0~0 := 1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~s__debug~0 := #t~nondet8;havoc #t~nondet8;havoc ~s__shutdown~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~s__cert~0 := #t~nondet9;havoc #t~nondet9;assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647;~s__options~0 := #t~nondet10;havoc #t~nondet10;assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647;~s__verify_mode~0 := #t~nondet11;havoc #t~nondet11;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~s__session__peer~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~s__cert__pkeys__AT0__privatekey~0 := #t~nondet13;havoc #t~nondet13;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~s__ctx__info_callback~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~s__ctx__stats__sess_accept_renegotiate~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~s__ctx__stats__sess_accept~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~s__ctx__stats__sess_accept_good~0 := #t~nondet17;havoc #t~nondet17;havoc ~s__s3__tmp__cert_request~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~s__s3__tmp__reuse_message~0 := #t~nondet18;havoc #t~nondet18;havoc ~s__s3__tmp__use_rsa_tmp~0;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~s__s3__tmp__new_cipher~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet20;havoc #t~nondet20;havoc ~s__s3__tmp__next_state___0~0;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~s__s3__tmp__new_cipher__algo_strength~0 := #t~nondet21;havoc #t~nondet21;havoc ~s__session__cipher~0;havoc ~buf~0;havoc ~l~0;havoc ~Time~0;havoc ~tmp~0;havoc ~cb~0;assume -9223372036854775808 <= #t~nondet22 && #t~nondet22 <= 9223372036854775807;~num1~0 := #t~nondet22;havoc #t~nondet22;havoc ~ret~0;havoc ~new_state~0;havoc ~state~0;havoc ~skip~0;havoc ~got_new_session~0;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~tmp___1~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~tmp___2~0 := #t~nondet24;havoc #t~nondet24;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~tmp___3~0 := #t~nondet25;havoc #t~nondet25;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~tmp___4~0 := #t~nondet26;havoc #t~nondet26;assume -2147483648 <= #t~nondet27 && #t~nondet27 <= 2147483647;~tmp___5~0 := #t~nondet27;havoc #t~nondet27;assume -2147483648 <= #t~nondet28 && #t~nondet28 <= 2147483647;~tmp___6~0 := #t~nondet28;havoc #t~nondet28;havoc ~tmp___7~0;assume -9223372036854775808 <= #t~nondet29 && #t~nondet29 <= 9223372036854775807;~tmp___8~0 := #t~nondet29;havoc #t~nondet29;assume -2147483648 <= #t~nondet30 && #t~nondet30 <= 2147483647;~tmp___9~0 := #t~nondet30;havoc #t~nondet30;assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647;~tmp___10~0 := #t~nondet31;havoc #t~nondet31;havoc ~blastFlag~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;havoc ~__cil_tmp60~0;havoc ~__cil_tmp61~0;~s__state~0 := ~initial_state;~blastFlag~0 := 0;assume -2147483648 <= #t~nondet32 && #t~nondet32 <= 2147483647;~tmp~0 := #t~nondet32;havoc #t~nondet32;~Time~0 := ~tmp~0;~cb~0 := 0;~ret~0 := -1;~skip~0 := 0;~got_new_session~0 := 0; {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume 0 != ~s__info_callback~0;~cb~0 := ~s__info_callback~0; {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,384 INFO L290 TraceCheckUtils]: 9: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} #t~post33 := ~s__in_handshake~0;~s__in_handshake~0 := 1 + #t~post33;havoc #t~post33; {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,385 INFO L290 TraceCheckUtils]: 10: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(0 != 12288 + ~tmp___1~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,385 INFO L290 TraceCheckUtils]: 11: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(0 == ~s__cert~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,385 INFO L290 TraceCheckUtils]: 12: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !false; {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,386 INFO L290 TraceCheckUtils]: 13: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} ~state~0 := ~s__state~0; {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,386 INFO L290 TraceCheckUtils]: 14: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(12292 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(16384 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8192 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,387 INFO L290 TraceCheckUtils]: 17: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(24576 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,387 INFO L290 TraceCheckUtils]: 18: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8195 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,387 INFO L290 TraceCheckUtils]: 19: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8480 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8481 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,388 INFO L290 TraceCheckUtils]: 21: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8482 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,388 INFO L290 TraceCheckUtils]: 22: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8464 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8465 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,389 INFO L290 TraceCheckUtils]: 24: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8466 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,389 INFO L290 TraceCheckUtils]: 25: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8496 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,389 INFO L290 TraceCheckUtils]: 26: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8497 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8512 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,390 INFO L290 TraceCheckUtils]: 28: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8513 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,390 INFO L290 TraceCheckUtils]: 29: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8528 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,391 INFO L290 TraceCheckUtils]: 30: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8529 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,391 INFO L290 TraceCheckUtils]: 31: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8544 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,391 INFO L290 TraceCheckUtils]: 32: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8545 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,391 INFO L290 TraceCheckUtils]: 33: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8560 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8561 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,392 INFO L290 TraceCheckUtils]: 35: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8448 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,392 INFO L290 TraceCheckUtils]: 36: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8576 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,393 INFO L290 TraceCheckUtils]: 37: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8577 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,393 INFO L290 TraceCheckUtils]: 38: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8592 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,393 INFO L290 TraceCheckUtils]: 39: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8593 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,394 INFO L290 TraceCheckUtils]: 40: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8608 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,394 INFO L290 TraceCheckUtils]: 41: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8609 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,394 INFO L290 TraceCheckUtils]: 42: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume !(8640 == ~s__state~0); {1716#(not (= ssl3_accept_~s__state~0 8641))} is VALID [2022-04-15 17:53:09,394 INFO L290 TraceCheckUtils]: 43: Hoare triple {1716#(not (= ssl3_accept_~s__state~0 8641))} assume 8641 == ~s__state~0; {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 44: Hoare triple {1710#false} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~ret~0 := #t~nondet48;havoc #t~nondet48; {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 45: Hoare triple {1710#false} assume !(9 == ~blastFlag~0); {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 46: Hoare triple {1710#false} assume !(12 == ~blastFlag~0); {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 47: Hoare triple {1710#false} assume !(15 == ~blastFlag~0); {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 48: Hoare triple {1710#false} assume !(18 == ~blastFlag~0); {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 49: Hoare triple {1710#false} assume 21 == ~blastFlag~0; {1710#false} is VALID [2022-04-15 17:53:09,395 INFO L290 TraceCheckUtils]: 50: Hoare triple {1710#false} assume !false; {1710#false} is VALID [2022-04-15 17:53:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 17:53:09,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 17:53:09,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508538026] [2022-04-15 17:53:09,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508538026] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:09,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:09,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 17:53:09,396 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 17:53:09,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [229760726] [2022-04-15 17:53:09,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [229760726] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:09,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:09,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 17:53:09,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290629203] [2022-04-15 17:53:09,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 17:53:09,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) Word has length 51 [2022-04-15 17:53:09,398 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 17:53:09,398 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) [2022-04-15 17:53:09,428 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:09,428 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 17:53:09,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:09,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 17:53:09,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 17:53:09,428 INFO L87 Difference]: Start difference. First operand 189 states and 307 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) [2022-04-15 17:53:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:10,253 INFO L93 Difference]: Finished difference Result 413 states and 685 transitions. [2022-04-15 17:53:10,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 17:53:10,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) Word has length 51 [2022-04-15 17:53:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 17:53:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) [2022-04-15 17:53:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 543 transitions. [2022-04-15 17:53:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) [2022-04-15 17:53:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 543 transitions. [2022-04-15 17:53:10,262 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 543 transitions. [2022-04-15 17:53:10,623 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 543 edges. 543 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:10,628 INFO L225 Difference]: With dead ends: 413 [2022-04-15 17:53:10,628 INFO L226 Difference]: Without dead ends: 238 [2022-04-15 17:53:10,629 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-15 17:53:10,630 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 796 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-15 17:53:10,630 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 182 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-15 17:53:10,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-04-15 17:53:10,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2022-04-15 17:53:10,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 17:53:10,646 INFO L82 GeneralOperation]: Start isEquivalent. First operand 238 states. Second operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) [2022-04-15 17:53:10,646 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) [2022-04-15 17:53:10,647 INFO L87 Difference]: Start difference. First operand 238 states. Second operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) [2022-04-15 17:53:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:10,653 INFO L93 Difference]: Finished difference Result 238 states and 395 transitions. [2022-04-15 17:53:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 395 transitions. [2022-04-15 17:53:10,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:10,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:10,654 INFO L74 IsIncluded]: Start isIncluded. First operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) Second operand 238 states. [2022-04-15 17:53:10,654 INFO L87 Difference]: Start difference. First operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) Second operand 238 states. [2022-04-15 17:53:10,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:10,660 INFO L93 Difference]: Finished difference Result 238 states and 395 transitions. [2022-04-15 17:53:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 395 transitions. [2022-04-15 17:53:10,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:10,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:10,661 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 17:53:10,661 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 17:53:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 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) [2022-04-15 17:53:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 380 transitions. [2022-04-15 17:53:10,668 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 380 transitions. Word has length 51 [2022-04-15 17:53:10,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 17:53:10,668 INFO L478 AbstractCegarLoop]: Abstraction has 228 states and 380 transitions. [2022-04-15 17:53:10,668 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 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) [2022-04-15 17:53:10,668 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 228 states and 380 transitions. [2022-04-15 17:53:10,996 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 380 transitions. [2022-04-15 17:53:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-15 17:53:10,999 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 17:53:11,000 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-15 17:53:11,000 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 17:53:11,000 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 17:53:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 17:53:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1405895752, now seen corresponding path program 1 times [2022-04-15 17:53:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:11,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1979550406] [2022-04-15 17:53:12,272 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-15 17:53:12,273 INFO L85 PathProgramCache]: Analyzing trace with hash 845730983, now seen corresponding path program 1 times [2022-04-15 17:53:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 17:53:12,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583695548] [2022-04-15 17:53:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 17:53:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 17:53:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 17:53:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 17:53:12,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {3490#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {3484#true} is VALID [2022-04-15 17:53:12,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {3484#true} assume true; {3484#true} is VALID [2022-04-15 17:53:12,350 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3484#true} {3484#true} #704#return; {3484#true} is VALID [2022-04-15 17:53:12,350 INFO L272 TraceCheckUtils]: 0: Hoare triple {3484#true} call ULTIMATE.init(); {3490#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 17:53:12,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {3490#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {3484#true} is VALID [2022-04-15 17:53:12,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {3484#true} assume true; {3484#true} is VALID [2022-04-15 17:53:12,351 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3484#true} {3484#true} #704#return; {3484#true} is VALID [2022-04-15 17:53:12,352 INFO L272 TraceCheckUtils]: 4: Hoare triple {3484#true} call #t~ret55 := main(); {3484#true} is VALID [2022-04-15 17:53:12,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {3484#true} havoc ~s~0;havoc ~tmp~1;~s~0 := 8464; {3484#true} is VALID [2022-04-15 17:53:12,352 INFO L272 TraceCheckUtils]: 6: Hoare triple {3484#true} call #t~ret54 := ssl3_accept(~s~0); {3484#true} is VALID [2022-04-15 17:53:12,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {3484#true} ~initial_state := #in~initial_state;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~s__info_callback~0 := #t~nondet4;havoc #t~nondet4;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~s__in_handshake~0 := #t~nondet5;havoc #t~nondet5;havoc ~s__state~0;havoc ~s__new_session~0;havoc ~s__server~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~s__version~0 := #t~nondet6;havoc #t~nondet6;havoc ~s__type~0;havoc ~s__init_num~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~s__hit~0 := #t~nondet7;havoc #t~nondet7;havoc ~s__rwstate~0;~s__init_buf___0~0 := 1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~s__debug~0 := #t~nondet8;havoc #t~nondet8;havoc ~s__shutdown~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~s__cert~0 := #t~nondet9;havoc #t~nondet9;assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647;~s__options~0 := #t~nondet10;havoc #t~nondet10;assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647;~s__verify_mode~0 := #t~nondet11;havoc #t~nondet11;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~s__session__peer~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~s__cert__pkeys__AT0__privatekey~0 := #t~nondet13;havoc #t~nondet13;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~s__ctx__info_callback~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~s__ctx__stats__sess_accept_renegotiate~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~s__ctx__stats__sess_accept~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~s__ctx__stats__sess_accept_good~0 := #t~nondet17;havoc #t~nondet17;havoc ~s__s3__tmp__cert_request~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~s__s3__tmp__reuse_message~0 := #t~nondet18;havoc #t~nondet18;havoc ~s__s3__tmp__use_rsa_tmp~0;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~s__s3__tmp__new_cipher~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet20;havoc #t~nondet20;havoc ~s__s3__tmp__next_state___0~0;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~s__s3__tmp__new_cipher__algo_strength~0 := #t~nondet21;havoc #t~nondet21;havoc ~s__session__cipher~0;havoc ~buf~0;havoc ~l~0;havoc ~Time~0;havoc ~tmp~0;havoc ~cb~0;assume -9223372036854775808 <= #t~nondet22 && #t~nondet22 <= 9223372036854775807;~num1~0 := #t~nondet22;havoc #t~nondet22;havoc ~ret~0;havoc ~new_state~0;havoc ~state~0;havoc ~skip~0;havoc ~got_new_session~0;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~tmp___1~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~tmp___2~0 := #t~nondet24;havoc #t~nondet24;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~tmp___3~0 := #t~nondet25;havoc #t~nondet25;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~tmp___4~0 := #t~nondet26;havoc #t~nondet26;assume -2147483648 <= #t~nondet27 && #t~nondet27 <= 2147483647;~tmp___5~0 := #t~nondet27;havoc #t~nondet27;assume -2147483648 <= #t~nondet28 && #t~nondet28 <= 2147483647;~tmp___6~0 := #t~nondet28;havoc #t~nondet28;havoc ~tmp___7~0;assume -9223372036854775808 <= #t~nondet29 && #t~nondet29 <= 9223372036854775807;~tmp___8~0 := #t~nondet29;havoc #t~nondet29;assume -2147483648 <= #t~nondet30 && #t~nondet30 <= 2147483647;~tmp___9~0 := #t~nondet30;havoc #t~nondet30;assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647;~tmp___10~0 := #t~nondet31;havoc #t~nondet31;havoc ~blastFlag~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;havoc ~__cil_tmp60~0;havoc ~__cil_tmp61~0;~s__state~0 := ~initial_state;~blastFlag~0 := 0;assume -2147483648 <= #t~nondet32 && #t~nondet32 <= 2147483647;~tmp~0 := #t~nondet32;havoc #t~nondet32;~Time~0 := ~tmp~0;~cb~0 := 0;~ret~0 := -1;~skip~0 := 0;~got_new_session~0 := 0; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,353 INFO L290 TraceCheckUtils]: 8: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume 0 != ~s__info_callback~0;~cb~0 := ~s__info_callback~0; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,353 INFO L290 TraceCheckUtils]: 9: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} #t~post33 := ~s__in_handshake~0;~s__in_handshake~0 := 1 + #t~post33;havoc #t~post33; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,353 INFO L290 TraceCheckUtils]: 10: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(0 != 12288 + ~tmp___1~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,354 INFO L290 TraceCheckUtils]: 11: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(0 == ~s__cert~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,354 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} [708] L110-2-->L111_primed: Formula: true InVars {} OutVars{ssl3_accept_~s__state~0=v_ssl3_accept_~s__state~0_Out_2, ssl3_accept_~skip~0=v_ssl3_accept_~skip~0_Out_2, ssl3_accept_~state~0=v_ssl3_accept_~state~0_Out_2} AuxVars[] AssignedVars[ssl3_accept_~skip~0, ssl3_accept_~s__state~0, ssl3_accept_~state~0] {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,354 INFO L290 TraceCheckUtils]: 13: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} [707] L111_primed-->L111: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,355 INFO L290 TraceCheckUtils]: 14: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} ~state~0 := ~s__state~0; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,355 INFO L290 TraceCheckUtils]: 15: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(12292 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,355 INFO L290 TraceCheckUtils]: 16: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(16384 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,356 INFO L290 TraceCheckUtils]: 17: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8192 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(24576 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8195 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,357 INFO L290 TraceCheckUtils]: 20: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8480 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,357 INFO L290 TraceCheckUtils]: 21: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8481 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,357 INFO L290 TraceCheckUtils]: 22: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8482 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,357 INFO L290 TraceCheckUtils]: 23: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8464 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,358 INFO L290 TraceCheckUtils]: 24: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8465 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,358 INFO L290 TraceCheckUtils]: 25: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8466 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,358 INFO L290 TraceCheckUtils]: 26: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8496 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,359 INFO L290 TraceCheckUtils]: 27: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8497 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,359 INFO L290 TraceCheckUtils]: 28: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8512 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,359 INFO L290 TraceCheckUtils]: 29: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8513 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,360 INFO L290 TraceCheckUtils]: 30: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8528 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,360 INFO L290 TraceCheckUtils]: 31: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8529 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,360 INFO L290 TraceCheckUtils]: 32: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8544 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,360 INFO L290 TraceCheckUtils]: 33: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8545 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,375 INFO L290 TraceCheckUtils]: 34: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8560 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,376 INFO L290 TraceCheckUtils]: 35: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8561 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,376 INFO L290 TraceCheckUtils]: 36: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8448 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,376 INFO L290 TraceCheckUtils]: 37: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8576 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,376 INFO L290 TraceCheckUtils]: 38: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8577 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,377 INFO L290 TraceCheckUtils]: 39: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8592 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,377 INFO L290 TraceCheckUtils]: 40: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8593 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,377 INFO L290 TraceCheckUtils]: 41: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8608 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,378 INFO L290 TraceCheckUtils]: 42: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(8609 == ~s__state~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,378 INFO L290 TraceCheckUtils]: 43: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume 8640 == ~s__state~0; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,378 INFO L290 TraceCheckUtils]: 44: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~ret~0 := #t~nondet48;havoc #t~nondet48; {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,379 INFO L290 TraceCheckUtils]: 45: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(9 == ~blastFlag~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,379 INFO L290 TraceCheckUtils]: 46: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(12 == ~blastFlag~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,379 INFO L290 TraceCheckUtils]: 47: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(15 == ~blastFlag~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,379 INFO L290 TraceCheckUtils]: 48: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume !(18 == ~blastFlag~0); {3489#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-15 17:53:12,380 INFO L290 TraceCheckUtils]: 49: Hoare triple {3489#(= ssl3_accept_~blastFlag~0 0)} assume 21 == ~blastFlag~0; {3485#false} is VALID [2022-04-15 17:53:12,380 INFO L290 TraceCheckUtils]: 50: Hoare triple {3485#false} assume !false; {3485#false} is VALID [2022-04-15 17:53:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 17:53:12,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 17:53:12,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583695548] [2022-04-15 17:53:12,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583695548] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:12,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:12,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 17:53:13,352 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 17:53:13,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1979550406] [2022-04-15 17:53:13,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1979550406] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 17:53:13,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 17:53:13,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-04-15 17:53:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155082843] [2022-04-15 17:53:13,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 17:53:13,353 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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 78 [2022-04-15 17:53:13,354 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 17:53:13,354 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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) [2022-04-15 17:53:13,405 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:13,405 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-15 17:53:13,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-15 17:53:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=565, Unknown=0, NotChecked=0, Total=930 [2022-04-15 17:53:13,407 INFO L87 Difference]: Start difference. First operand 228 states and 380 transitions. Second operand has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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) [2022-04-15 17:53:18,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:18,324 INFO L93 Difference]: Finished difference Result 816 states and 1355 transitions. [2022-04-15 17:53:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-04-15 17:53:18,324 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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 78 [2022-04-15 17:53:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 17:53:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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) [2022-04-15 17:53:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 917 transitions. [2022-04-15 17:53:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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) [2022-04-15 17:53:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 917 transitions. [2022-04-15 17:53:18,350 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 917 transitions. [2022-04-15 17:53:19,117 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 917 edges. 917 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:19,130 INFO L225 Difference]: With dead ends: 816 [2022-04-15 17:53:19,130 INFO L226 Difference]: Without dead ends: 540 [2022-04-15 17:53:19,132 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1263, Invalid=2519, Unknown=0, NotChecked=0, Total=3782 [2022-04-15 17:53:19,132 INFO L913 BasicCegarLoop]: 264 mSDtfsCounter, 1238 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-15 17:53:19,133 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1238 Valid, 286 Invalid, 2439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-15 17:53:19,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-04-15 17:53:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 455. [2022-04-15 17:53:19,169 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 17:53:19,169 INFO L82 GeneralOperation]: Start isEquivalent. First operand 540 states. Second operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) [2022-04-15 17:53:19,170 INFO L74 IsIncluded]: Start isIncluded. First operand 540 states. Second operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) [2022-04-15 17:53:19,171 INFO L87 Difference]: Start difference. First operand 540 states. Second operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) [2022-04-15 17:53:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:19,183 INFO L93 Difference]: Finished difference Result 540 states and 846 transitions. [2022-04-15 17:53:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 846 transitions. [2022-04-15 17:53:19,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:19,184 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:19,184 INFO L74 IsIncluded]: Start isIncluded. First operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) Second operand 540 states. [2022-04-15 17:53:19,185 INFO L87 Difference]: Start difference. First operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) Second operand 540 states. [2022-04-15 17:53:19,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 17:53:19,197 INFO L93 Difference]: Finished difference Result 540 states and 846 transitions. [2022-04-15 17:53:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 846 transitions. [2022-04-15 17:53:19,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 17:53:19,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 17:53:19,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 17:53:19,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 17:53:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 450 states have (on average 1.6355555555555557) internal successors, (736), 450 states have internal predecessors, (736), 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) [2022-04-15 17:53:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 740 transitions. [2022-04-15 17:53:19,208 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 740 transitions. Word has length 78 [2022-04-15 17:53:19,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 17:53:19,209 INFO L478 AbstractCegarLoop]: Abstraction has 455 states and 740 transitions. [2022-04-15 17:53:19,209 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 30 states have internal predecessors, (74), 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) [2022-04-15 17:53:19,209 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 455 states and 740 transitions. [2022-04-15 17:53:19,891 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 740 edges. 740 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 17:53:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 740 transitions. [2022-04-15 17:53:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-04-15 17:53:19,892 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 17:53:19,893 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-15 17:53:19,893 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-15 17:53:19,893 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 17:53:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 17:53:19,893 INFO L85 PathProgramCache]: Analyzing trace with hash 93928679, now seen corresponding path program 1 times [2022-04-15 17:53:19,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 17:53:19,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [404430359]