/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 00:34:29,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 00:34:29,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 00:34:29,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-24 00:34:29,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 00:34:29,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 00:34:29,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 00:34:29,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 00:34:29,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 00:34:29,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 00:34:29,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 00:34:29,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 00:34:29,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 00:34:29,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 00:34:29,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 00:34:29,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 00:34:29,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 00:34:29,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 00:34:29,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 00:34:29,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 00:34:29,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-02-24 00:34:29,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 00:34:29,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 00:34:29,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-24 00:34:29,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-24 00:34:29,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-24 00:34:29,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-24 00:34:29,899 INFO L138 SettingsManager]: * Use SBE=true [2022-02-24 00:34:29,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 00:34:29,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 00:34:29,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 00:34:29,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 00:34:29,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:34:29,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 00:34:29,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-24 00:34:29,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-24 00:34:29,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-24 00:34:29,904 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 00:34:30,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 00:34:30,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 00:34:30,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 00:34:30,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 00:34:30,113 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 00:34:30,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_4.cil.c [2022-02-24 00:34:30,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ac6f786/9d916e52f48d4959a1691b103f9a0961/FLAG2379fb66f [2022-02-24 00:34:30,622 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 00:34:30,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_4.cil.c [2022-02-24 00:34:30,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ac6f786/9d916e52f48d4959a1691b103f9a0961/FLAG2379fb66f [2022-02-24 00:34:30,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ac6f786/9d916e52f48d4959a1691b103f9a0961 [2022-02-24 00:34:30,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 00:34:30,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-24 00:34:30,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 00:34:30,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 00:34:30,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 00:34:30,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:30,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f66287f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30, skipping insertion in model container [2022-02-24 00:34:30,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:30,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 00:34:30,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 00:34:30,900 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_4.cil.c[42875,42888] [2022-02-24 00:34:30,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:34:30,921 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 00:34:30,977 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_4.cil.c[42875,42888] [2022-02-24 00:34:30,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:34:30,991 INFO L208 MainTranslator]: Completed translation [2022-02-24 00:34:30,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30 WrapperNode [2022-02-24 00:34:30,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 00:34:30,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 00:34:30,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 00:34:30,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 00:34:31,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 00:34:31,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 00:34:31,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 00:34:31,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 00:34:31,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (1/1) ... [2022-02-24 00:34:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:34:31,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:31,071 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) [2022-02-24 00:34:31,076 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 [2022-02-24 00:34:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 00:34:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 00:34:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 00:34:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-24 00:34:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 00:34:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 00:34:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 00:34:31,163 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 00:34:31,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 00:34:31,248 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:34:31,528 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-02-24 00:34:31,528 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-02-24 00:34:31,533 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 00:34:31,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 00:34:31,538 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 00:34:31,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:31 BoogieIcfgContainer [2022-02-24 00:34:31,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 00:34:31,540 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-24 00:34:31,540 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-24 00:34:31,548 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-24 00:34:31,550 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:31" (1/1) ... [2022-02-24 00:34:31,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:34:31 BasicIcfg [2022-02-24 00:34:31,580 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-24 00:34:31,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 00:34:31,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 00:34:31,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 00:34:31,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:34:30" (1/4) ... [2022-02-24 00:34:31,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f4d0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:34:31, skipping insertion in model container [2022-02-24 00:34:31,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:30" (2/4) ... [2022-02-24 00:34:31,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f4d0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:34:31, skipping insertion in model container [2022-02-24 00:34:31,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:31" (3/4) ... [2022-02-24 00:34:31,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f4d0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:34:31, skipping insertion in model container [2022-02-24 00:34:31,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:34:31" (4/4) ... [2022-02-24 00:34:31,585 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.cqvasr [2022-02-24 00:34:31,588 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-24 00:34:31,588 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 00:34:31,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 00:34:31,628 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-24 00:34:31,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 00:34:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 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) [2022-02-24 00:34:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-24 00:34:31,653 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:31,653 INFO L514 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] [2022-02-24 00:34:31,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash 53779337, now seen corresponding path program 1 times [2022-02-24 00:34:31,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:31,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204860882] [2022-02-24 00:34:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:31,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:34:32,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:32,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204860882] [2022-02-24 00:34:32,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204860882] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:32,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:32,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:32,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108612499] [2022-02-24 00:34:32,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:32,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:32,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:32,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:32,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:32,113 INFO L87 Difference]: Start difference. First operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-02-24 00:34:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:32,523 INFO L93 Difference]: Finished difference Result 414 states and 701 transitions. [2022-02-24 00:34:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 50 [2022-02-24 00:34:32,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:32,542 INFO L225 Difference]: With dead ends: 414 [2022-02-24 00:34:32,543 INFO L226 Difference]: Without dead ends: 251 [2022-02-24 00:34:32,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:32,560 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 634 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:32,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 249 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 00:34:32,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-02-24 00:34:32,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-02-24 00:34:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 246 states have (on average 1.524390243902439) internal successors, (375), 246 states have internal predecessors, (375), 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) [2022-02-24 00:34:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2022-02-24 00:34:32,618 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 50 [2022-02-24 00:34:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:32,619 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2022-02-24 00:34:32,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-02-24 00:34:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2022-02-24 00:34:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-24 00:34:32,627 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:32,627 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:32,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 00:34:32,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:32,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1911224471, now seen corresponding path program 1 times [2022-02-24 00:34:32,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:32,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553147017] [2022-02-24 00:34:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:34:32,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:32,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553147017] [2022-02-24 00:34:32,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553147017] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:32,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:32,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:32,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693445583] [2022-02-24 00:34:32,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:32,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:32,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:32,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:32,733 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-02-24 00:34:32,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:32,980 INFO L93 Difference]: Finished difference Result 400 states and 612 transitions. [2022-02-24 00:34:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:32,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 66 [2022-02-24 00:34:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:32,984 INFO L225 Difference]: With dead ends: 400 [2022-02-24 00:34:32,984 INFO L226 Difference]: Without dead ends: 280 [2022-02-24 00:34:32,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:32,994 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 215 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:32,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-02-24 00:34:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2022-02-24 00:34:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 267 states have internal predecessors, (401), 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) [2022-02-24 00:34:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2022-02-24 00:34:33,025 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 66 [2022-02-24 00:34:33,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:33,025 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2022-02-24 00:34:33,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-02-24 00:34:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2022-02-24 00:34:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-24 00:34:33,027 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:33,027 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:33,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 00:34:33,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:33,028 INFO L85 PathProgramCache]: Analyzing trace with hash 667686383, now seen corresponding path program 1 times [2022-02-24 00:34:33,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:33,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929034134] [2022-02-24 00:34:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:33,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:34:33,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:33,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929034134] [2022-02-24 00:34:33,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929034134] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:33,130 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:33,130 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:33,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154474291] [2022-02-24 00:34:33,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:33,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:33,131 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:33,132 INFO L87 Difference]: Start difference. First operand 272 states and 405 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:33,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:33,406 INFO L93 Difference]: Finished difference Result 624 states and 960 transitions. [2022-02-24 00:34:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:33,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-02-24 00:34:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:33,409 INFO L225 Difference]: With dead ends: 624 [2022-02-24 00:34:33,409 INFO L226 Difference]: Without dead ends: 366 [2022-02-24 00:34:33,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:33,410 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:33,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 221 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-24 00:34:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2022-02-24 00:34:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 351 states have internal predecessors, (495), 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) [2022-02-24 00:34:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 499 transitions. [2022-02-24 00:34:33,447 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 499 transitions. Word has length 87 [2022-02-24 00:34:33,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:33,447 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 499 transitions. [2022-02-24 00:34:33,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 499 transitions. [2022-02-24 00:34:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-24 00:34:33,449 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:33,449 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:33,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 00:34:33,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:33,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:33,450 INFO L85 PathProgramCache]: Analyzing trace with hash 791759630, now seen corresponding path program 1 times [2022-02-24 00:34:33,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:33,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819432376] [2022-02-24 00:34:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:33,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,497 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:34:33,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:33,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819432376] [2022-02-24 00:34:33,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819432376] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:33,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:33,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:33,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615241698] [2022-02-24 00:34:33,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:33,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:33,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:33,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:33,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:33,499 INFO L87 Difference]: Start difference. First operand 356 states and 499 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:33,679 INFO L93 Difference]: Finished difference Result 752 states and 1074 transitions. [2022-02-24 00:34:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:33,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-02-24 00:34:33,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:33,681 INFO L225 Difference]: With dead ends: 752 [2022-02-24 00:34:33,681 INFO L226 Difference]: Without dead ends: 410 [2022-02-24 00:34:33,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:33,683 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 214 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:33,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 221 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-02-24 00:34:33,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-02-24 00:34:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 397 states have (on average 1.3879093198992443) internal successors, (551), 397 states have internal predecessors, (551), 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) [2022-02-24 00:34:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 555 transitions. [2022-02-24 00:34:33,694 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 555 transitions. Word has length 87 [2022-02-24 00:34:33,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:33,695 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 555 transitions. [2022-02-24 00:34:33,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 555 transitions. [2022-02-24 00:34:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-24 00:34:33,697 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:33,697 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:33,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 00:34:33,698 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:33,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:33,698 INFO L85 PathProgramCache]: Analyzing trace with hash -445338313, now seen corresponding path program 1 times [2022-02-24 00:34:33,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:33,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876413046] [2022-02-24 00:34:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:33,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:34:33,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:33,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876413046] [2022-02-24 00:34:33,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876413046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:33,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:33,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:33,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575579319] [2022-02-24 00:34:33,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:33,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:33,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:33,753 INFO L87 Difference]: Start difference. First operand 402 states and 555 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2022-02-24 00:34:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:33,935 INFO L93 Difference]: Finished difference Result 866 states and 1226 transitions. [2022-02-24 00:34:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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 108 [2022-02-24 00:34:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:33,941 INFO L225 Difference]: With dead ends: 866 [2022-02-24 00:34:33,941 INFO L226 Difference]: Without dead ends: 478 [2022-02-24 00:34:33,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:33,943 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 246 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:33,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 220 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-02-24 00:34:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 452. [2022-02-24 00:34:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 447 states have (on average 1.366890380313199) internal successors, (611), 447 states have internal predecessors, (611), 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) [2022-02-24 00:34:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2022-02-24 00:34:33,953 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 108 [2022-02-24 00:34:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:33,954 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2022-02-24 00:34:33,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2022-02-24 00:34:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2022-02-24 00:34:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-02-24 00:34:33,955 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:33,955 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:33,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 00:34:33,955 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:33,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2063574049, now seen corresponding path program 1 times [2022-02-24 00:34:33,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:33,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60639182] [2022-02-24 00:34:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:34:34,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:34,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60639182] [2022-02-24 00:34:34,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60639182] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:34,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:34,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:34,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295129138] [2022-02-24 00:34:34,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:34,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:34,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:34,007 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-02-24 00:34:34,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:34,188 INFO L93 Difference]: Finished difference Result 912 states and 1244 transitions. [2022-02-24 00:34:34,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:34,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 127 [2022-02-24 00:34:34,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:34,191 INFO L225 Difference]: With dead ends: 912 [2022-02-24 00:34:34,191 INFO L226 Difference]: Without dead ends: 681 [2022-02-24 00:34:34,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:34,192 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 334 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:34,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 381 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-02-24 00:34:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 681. [2022-02-24 00:34:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 676 states have (on average 1.3609467455621302) internal successors, (920), 676 states have internal predecessors, (920), 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) [2022-02-24 00:34:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 924 transitions. [2022-02-24 00:34:34,206 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 924 transitions. Word has length 127 [2022-02-24 00:34:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:34,206 INFO L470 AbstractCegarLoop]: Abstraction has 681 states and 924 transitions. [2022-02-24 00:34:34,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-02-24 00:34:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 924 transitions. [2022-02-24 00:34:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-24 00:34:34,208 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:34,208 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:34,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 00:34:34,209 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:34,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1353600599, now seen corresponding path program 1 times [2022-02-24 00:34:34,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:34,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126056267] [2022-02-24 00:34:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:34:34,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:34,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126056267] [2022-02-24 00:34:34,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126056267] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:34,272 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:34,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:34,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28637032] [2022-02-24 00:34:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:34,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:34,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:34,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:34,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:34,273 INFO L87 Difference]: Start difference. First operand 681 states and 924 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:34,442 INFO L93 Difference]: Finished difference Result 1367 states and 1858 transitions. [2022-02-24 00:34:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:34,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2022-02-24 00:34:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:34,445 INFO L225 Difference]: With dead ends: 1367 [2022-02-24 00:34:34,445 INFO L226 Difference]: Without dead ends: 907 [2022-02-24 00:34:34,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:34,447 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 330 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:34,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 379 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 00:34:34,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-02-24 00:34:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 907. [2022-02-24 00:34:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.3592017738359201) internal successors, (1226), 902 states have internal predecessors, (1226), 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) [2022-02-24 00:34:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1230 transitions. [2022-02-24 00:34:34,464 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1230 transitions. Word has length 128 [2022-02-24 00:34:34,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:34,465 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1230 transitions. [2022-02-24 00:34:34,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1230 transitions. [2022-02-24 00:34:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-24 00:34:34,467 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:34,467 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:34,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 00:34:34,467 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash 144358360, now seen corresponding path program 1 times [2022-02-24 00:34:34,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:34,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112250283] [2022-02-24 00:34:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:34,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-02-24 00:34:34,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:34,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112250283] [2022-02-24 00:34:34,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112250283] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:34,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:34,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:34,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338435745] [2022-02-24 00:34:34,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:34,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:34,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:34,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:34,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:34,502 INFO L87 Difference]: Start difference. First operand 907 states and 1230 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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) [2022-02-24 00:34:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:34,663 INFO L93 Difference]: Finished difference Result 1617 states and 2190 transitions. [2022-02-24 00:34:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:34,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 128 [2022-02-24 00:34:34,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:34,666 INFO L225 Difference]: With dead ends: 1617 [2022-02-24 00:34:34,666 INFO L226 Difference]: Without dead ends: 931 [2022-02-24 00:34:34,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:34,668 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 207 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:34,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 235 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 00:34:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2022-02-24 00:34:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2022-02-24 00:34:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.355291576673866) internal successors, (1255), 926 states have internal predecessors, (1255), 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) [2022-02-24 00:34:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1259 transitions. [2022-02-24 00:34:34,686 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1259 transitions. Word has length 128 [2022-02-24 00:34:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:34,687 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1259 transitions. [2022-02-24 00:34:34,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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) [2022-02-24 00:34:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1259 transitions. [2022-02-24 00:34:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-24 00:34:34,689 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:34,689 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-24 00:34:34,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 00:34:34,690 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:34,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:34,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2011766683, now seen corresponding path program 1 times [2022-02-24 00:34:34,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:34,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207817143] [2022-02-24 00:34:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:34:34,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:34,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207817143] [2022-02-24 00:34:34,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207817143] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:34,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:34,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:34,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354061091] [2022-02-24 00:34:34,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:34,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:34,734 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:34,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:34,735 INFO L87 Difference]: Start difference. First operand 931 states and 1259 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-02-24 00:34:34,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:34,944 INFO L93 Difference]: Finished difference Result 2017 states and 2795 transitions. [2022-02-24 00:34:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:34,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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 168 [2022-02-24 00:34:34,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:34,948 INFO L225 Difference]: With dead ends: 2017 [2022-02-24 00:34:34,948 INFO L226 Difference]: Without dead ends: 1100 [2022-02-24 00:34:34,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:34,951 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 236 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:34,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 218 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-02-24 00:34:34,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1054. [2022-02-24 00:34:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1049 states have (on average 1.336510962821735) internal successors, (1402), 1049 states have internal predecessors, (1402), 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) [2022-02-24 00:34:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1406 transitions. [2022-02-24 00:34:34,972 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1406 transitions. Word has length 168 [2022-02-24 00:34:34,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:34,972 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1406 transitions. [2022-02-24 00:34:34,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-02-24 00:34:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1406 transitions. [2022-02-24 00:34:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-02-24 00:34:34,974 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:34,974 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:34,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 00:34:34,975 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:34,975 INFO L85 PathProgramCache]: Analyzing trace with hash 831388600, now seen corresponding path program 1 times [2022-02-24 00:34:34,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:34,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156566061] [2022-02-24 00:34:34,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-24 00:34:35,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:35,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156566061] [2022-02-24 00:34:35,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156566061] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:35,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:35,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:35,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946704496] [2022-02-24 00:34:35,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:35,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:35,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:35,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:35,016 INFO L87 Difference]: Start difference. First operand 1054 states and 1406 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-02-24 00:34:35,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:35,197 INFO L93 Difference]: Finished difference Result 2320 states and 3184 transitions. [2022-02-24 00:34:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:35,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-02-24 00:34:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:35,201 INFO L225 Difference]: With dead ends: 2320 [2022-02-24 00:34:35,201 INFO L226 Difference]: Without dead ends: 1276 [2022-02-24 00:34:35,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:35,204 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 332 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:35,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 219 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 00:34:35,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-02-24 00:34:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1258. [2022-02-24 00:34:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1253 states have (on average 1.3894652833200318) internal successors, (1741), 1253 states have internal predecessors, (1741), 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) [2022-02-24 00:34:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1745 transitions. [2022-02-24 00:34:35,233 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1745 transitions. Word has length 181 [2022-02-24 00:34:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:35,233 INFO L470 AbstractCegarLoop]: Abstraction has 1258 states and 1745 transitions. [2022-02-24 00:34:35,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-02-24 00:34:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1745 transitions. [2022-02-24 00:34:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-02-24 00:34:35,236 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:35,236 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-24 00:34:35,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 00:34:35,236 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:35,237 INFO L85 PathProgramCache]: Analyzing trace with hash -368061555, now seen corresponding path program 1 times [2022-02-24 00:34:35,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:35,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817565970] [2022-02-24 00:34:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-02-24 00:34:35,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:35,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817565970] [2022-02-24 00:34:35,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817565970] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:35,298 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:35,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:35,298 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987326718] [2022-02-24 00:34:35,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:35,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:35,298 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:35,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:35,299 INFO L87 Difference]: Start difference. First operand 1258 states and 1745 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-02-24 00:34:35,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:35,502 INFO L93 Difference]: Finished difference Result 2626 states and 3692 transitions. [2022-02-24 00:34:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:35,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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 210 [2022-02-24 00:34:35,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:35,507 INFO L225 Difference]: With dead ends: 2626 [2022-02-24 00:34:35,508 INFO L226 Difference]: Without dead ends: 1382 [2022-02-24 00:34:35,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:35,510 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:35,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 208 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:35,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-02-24 00:34:35,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1382. [2022-02-24 00:34:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1377 states have (on average 1.3689179375453886) internal successors, (1885), 1377 states have internal predecessors, (1885), 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) [2022-02-24 00:34:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1889 transitions. [2022-02-24 00:34:35,544 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1889 transitions. Word has length 210 [2022-02-24 00:34:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:35,544 INFO L470 AbstractCegarLoop]: Abstraction has 1382 states and 1889 transitions. [2022-02-24 00:34:35,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 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) [2022-02-24 00:34:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1889 transitions. [2022-02-24 00:34:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-02-24 00:34:35,548 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:35,548 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-24 00:34:35,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 00:34:35,548 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:35,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1944604409, now seen corresponding path program 1 times [2022-02-24 00:34:35,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:35,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986952439] [2022-02-24 00:34:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:35,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-24 00:34:35,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:35,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986952439] [2022-02-24 00:34:35,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986952439] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:34:35,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287372782] [2022-02-24 00:34:35,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:35,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:35,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:35,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 00:34:35,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-24 00:34:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:35,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-24 00:34:35,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:34:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-24 00:34:36,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-24 00:34:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-24 00:34:36,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287372782] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-24 00:34:36,610 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-24 00:34:36,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-24 00:34:36,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651867913] [2022-02-24 00:34:36,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-24 00:34:36,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 00:34:36,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 00:34:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-24 00:34:36,612 INFO L87 Difference]: Start difference. First operand 1382 states and 1889 transitions. Second operand has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:37,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:37,166 INFO L93 Difference]: Finished difference Result 3364 states and 4606 transitions. [2022-02-24 00:34:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 00:34:37,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 238 [2022-02-24 00:34:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:37,172 INFO L225 Difference]: With dead ends: 3364 [2022-02-24 00:34:37,172 INFO L226 Difference]: Without dead ends: 1952 [2022-02-24 00:34:37,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-24 00:34:37,175 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 566 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:37,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [566 Valid, 328 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-24 00:34:37,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2022-02-24 00:34:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1593. [2022-02-24 00:34:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1588 states have (on average 1.3400503778337531) internal successors, (2128), 1588 states have internal predecessors, (2128), 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) [2022-02-24 00:34:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2132 transitions. [2022-02-24 00:34:37,214 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2132 transitions. Word has length 238 [2022-02-24 00:34:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:37,214 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 2132 transitions. [2022-02-24 00:34:37,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2132 transitions. [2022-02-24 00:34:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-02-24 00:34:37,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:37,218 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-24 00:34:37,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-24 00:34:37,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-24 00:34:37,437 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1538435022, now seen corresponding path program 1 times [2022-02-24 00:34:37,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:37,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98006180] [2022-02-24 00:34:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:37,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-02-24 00:34:37,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:37,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98006180] [2022-02-24 00:34:37,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98006180] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:34:37,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075656407] [2022-02-24 00:34:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:37,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:37,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:37,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 00:34:37,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-24 00:34:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:37,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-24 00:34:37,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:34:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-02-24 00:34:37,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-24 00:34:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-02-24 00:34:38,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075656407] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-24 00:34:38,274 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-24 00:34:38,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-24 00:34:38,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787829905] [2022-02-24 00:34:38,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-24 00:34:38,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 00:34:38,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:38,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 00:34:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-24 00:34:38,275 INFO L87 Difference]: Start difference. First operand 1593 states and 2132 transitions. Second operand has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:39,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:39,354 INFO L93 Difference]: Finished difference Result 6568 states and 9143 transitions. [2022-02-24 00:34:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 00:34:39,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 259 [2022-02-24 00:34:39,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:39,368 INFO L225 Difference]: With dead ends: 6568 [2022-02-24 00:34:39,369 INFO L226 Difference]: Without dead ends: 4989 [2022-02-24 00:34:39,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-24 00:34:39,374 INFO L933 BasicCegarLoop]: 548 mSDtfsCounter, 715 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:39,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 565 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-24 00:34:39,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2022-02-24 00:34:39,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 4113. [2022-02-24 00:34:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4108 states have (on average 1.333495618305745) internal successors, (5478), 4108 states have internal predecessors, (5478), 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) [2022-02-24 00:34:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 5482 transitions. [2022-02-24 00:34:39,508 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 5482 transitions. Word has length 259 [2022-02-24 00:34:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:39,508 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 5482 transitions. [2022-02-24 00:34:39,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 5482 transitions. [2022-02-24 00:34:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-02-24 00:34:39,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:39,515 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-24 00:34:39,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-24 00:34:39,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-24 00:34:39,739 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:39,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:39,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1682844717, now seen corresponding path program 1 times [2022-02-24 00:34:39,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:39,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048024259] [2022-02-24 00:34:39,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-02-24 00:34:39,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:39,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048024259] [2022-02-24 00:34:39,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048024259] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:39,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:39,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:39,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053852135] [2022-02-24 00:34:39,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:39,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:39,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:39,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:39,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:39,783 INFO L87 Difference]: Start difference. First operand 4113 states and 5482 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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) [2022-02-24 00:34:40,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:40,040 INFO L93 Difference]: Finished difference Result 10895 states and 14566 transitions. [2022-02-24 00:34:40,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:40,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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 259 [2022-02-24 00:34:40,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:40,062 INFO L225 Difference]: With dead ends: 10895 [2022-02-24 00:34:40,063 INFO L226 Difference]: Without dead ends: 6796 [2022-02-24 00:34:40,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:40,072 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 334 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:40,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 380 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 00:34:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6796 states. [2022-02-24 00:34:40,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6796 to 6508. [2022-02-24 00:34:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6508 states, 6503 states have (on average 1.3416884514839305) internal successors, (8725), 6503 states have internal predecessors, (8725), 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) [2022-02-24 00:34:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6508 states to 6508 states and 8729 transitions. [2022-02-24 00:34:40,267 INFO L78 Accepts]: Start accepts. Automaton has 6508 states and 8729 transitions. Word has length 259 [2022-02-24 00:34:40,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:40,267 INFO L470 AbstractCegarLoop]: Abstraction has 6508 states and 8729 transitions. [2022-02-24 00:34:40,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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) [2022-02-24 00:34:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6508 states and 8729 transitions. [2022-02-24 00:34:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-02-24 00:34:40,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:40,277 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:40,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 00:34:40,277 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:40,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1683519860, now seen corresponding path program 1 times [2022-02-24 00:34:40,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:40,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232695802] [2022-02-24 00:34:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:40,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-02-24 00:34:40,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:40,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232695802] [2022-02-24 00:34:40,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232695802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:40,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:40,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:40,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664237553] [2022-02-24 00:34:40,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:40,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:40,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:40,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:40,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:40,320 INFO L87 Difference]: Start difference. First operand 6508 states and 8729 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2022-02-24 00:34:40,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:40,568 INFO L93 Difference]: Finished difference Result 11088 states and 15118 transitions. [2022-02-24 00:34:40,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:40,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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 296 [2022-02-24 00:34:40,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:40,577 INFO L225 Difference]: With dead ends: 11088 [2022-02-24 00:34:40,578 INFO L226 Difference]: Without dead ends: 3167 [2022-02-24 00:34:40,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:40,589 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:40,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 220 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:40,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2022-02-24 00:34:40,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 2897. [2022-02-24 00:34:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2892 states have (on average 1.329875518672199) internal successors, (3846), 2892 states have internal predecessors, (3846), 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) [2022-02-24 00:34:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3850 transitions. [2022-02-24 00:34:40,644 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3850 transitions. Word has length 296 [2022-02-24 00:34:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:40,644 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 3850 transitions. [2022-02-24 00:34:40,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2022-02-24 00:34:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3850 transitions. [2022-02-24 00:34:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-02-24 00:34:40,650 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:40,650 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:40,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 00:34:40,650 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:40,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash 568997781, now seen corresponding path program 1 times [2022-02-24 00:34:40,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:40,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306227004] [2022-02-24 00:34:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-02-24 00:34:40,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:40,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306227004] [2022-02-24 00:34:40,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306227004] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:40,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:40,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:40,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321927565] [2022-02-24 00:34:40,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:40,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:40,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:40,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:40,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:40,708 INFO L87 Difference]: Start difference. First operand 2897 states and 3850 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-02-24 00:34:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:40,932 INFO L93 Difference]: Finished difference Result 6118 states and 8180 transitions. [2022-02-24 00:34:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:40,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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 343 [2022-02-24 00:34:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:40,944 INFO L225 Difference]: With dead ends: 6118 [2022-02-24 00:34:40,944 INFO L226 Difference]: Without dead ends: 3235 [2022-02-24 00:34:40,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:40,951 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:40,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 216 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:40,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2022-02-24 00:34:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 3167. [2022-02-24 00:34:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 3162 states have (on average 1.3175205566097408) internal successors, (4166), 3162 states have internal predecessors, (4166), 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) [2022-02-24 00:34:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 4170 transitions. [2022-02-24 00:34:41,074 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 4170 transitions. Word has length 343 [2022-02-24 00:34:41,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:41,074 INFO L470 AbstractCegarLoop]: Abstraction has 3167 states and 4170 transitions. [2022-02-24 00:34:41,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-02-24 00:34:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 4170 transitions. [2022-02-24 00:34:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-02-24 00:34:41,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:41,081 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:41,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 00:34:41,081 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:41,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash 437625608, now seen corresponding path program 1 times [2022-02-24 00:34:41,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:41,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812702072] [2022-02-24 00:34:41,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-02-24 00:34:41,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:41,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812702072] [2022-02-24 00:34:41,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812702072] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:41,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:41,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:41,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952647340] [2022-02-24 00:34:41,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:41,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:41,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:41,129 INFO L87 Difference]: Start difference. First operand 3167 states and 4170 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2022-02-24 00:34:41,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:41,334 INFO L93 Difference]: Finished difference Result 6449 states and 8491 transitions. [2022-02-24 00:34:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:41,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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 366 [2022-02-24 00:34:41,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:41,341 INFO L225 Difference]: With dead ends: 6449 [2022-02-24 00:34:41,342 INFO L226 Difference]: Without dead ends: 3296 [2022-02-24 00:34:41,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:41,347 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 204 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:41,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 216 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-02-24 00:34:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 2374. [2022-02-24 00:34:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2369 states have (on average 1.3085690164626425) internal successors, (3100), 2369 states have internal predecessors, (3100), 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) [2022-02-24 00:34:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3104 transitions. [2022-02-24 00:34:41,394 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3104 transitions. Word has length 366 [2022-02-24 00:34:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:41,394 INFO L470 AbstractCegarLoop]: Abstraction has 2374 states and 3104 transitions. [2022-02-24 00:34:41,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2022-02-24 00:34:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3104 transitions. [2022-02-24 00:34:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-02-24 00:34:41,400 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:41,400 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:41,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 00:34:41,400 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:41,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1686734734, now seen corresponding path program 1 times [2022-02-24 00:34:41,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:41,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122331934] [2022-02-24 00:34:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:41,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-02-24 00:34:41,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:41,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122331934] [2022-02-24 00:34:41,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122331934] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:34:41,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723882949] [2022-02-24 00:34:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:41,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:41,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:41,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 00:34:41,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-24 00:34:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:41,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-24 00:34:41,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:34:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2022-02-24 00:34:42,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-24 00:34:42,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723882949] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:42,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-24 00:34:42,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-24 00:34:42,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990578003] [2022-02-24 00:34:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:42,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-24 00:34:42,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:42,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-24 00:34:42,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:34:42,225 INFO L87 Difference]: Start difference. First operand 2374 states and 3104 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:42,263 INFO L93 Difference]: Finished difference Result 2847 states and 3722 transitions. [2022-02-24 00:34:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-24 00:34:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 399 [2022-02-24 00:34:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:42,268 INFO L225 Difference]: With dead ends: 2847 [2022-02-24 00:34:42,268 INFO L226 Difference]: Without dead ends: 2709 [2022-02-24 00:34:42,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:34:42,270 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:42,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 541 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-24 00:34:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2022-02-24 00:34:42,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2238. [2022-02-24 00:34:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 2233 states have (on average 1.3193013882669056) internal successors, (2946), 2233 states have internal predecessors, (2946), 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) [2022-02-24 00:34:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 2950 transitions. [2022-02-24 00:34:42,316 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 2950 transitions. Word has length 399 [2022-02-24 00:34:42,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:42,316 INFO L470 AbstractCegarLoop]: Abstraction has 2238 states and 2950 transitions. [2022-02-24 00:34:42,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2950 transitions. [2022-02-24 00:34:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-02-24 00:34:42,325 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:42,325 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:42,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-24 00:34:42,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-24 00:34:42,559 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1130049276, now seen corresponding path program 1 times [2022-02-24 00:34:42,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:42,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701003666] [2022-02-24 00:34:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-02-24 00:34:42,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:42,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701003666] [2022-02-24 00:34:42,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701003666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:34:42,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666624668] [2022-02-24 00:34:42,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:42,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:42,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:42,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 00:34:42,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-24 00:34:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:42,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-24 00:34:42,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:34:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-02-24 00:34:43,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-24 00:34:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-02-24 00:34:43,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666624668] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-24 00:34:43,784 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-24 00:34:43,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-24 00:34:43,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514475933] [2022-02-24 00:34:43,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-24 00:34:43,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 00:34:43,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 00:34:43,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-24 00:34:43,786 INFO L87 Difference]: Start difference. First operand 2238 states and 2950 transitions. Second operand has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:44,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:44,353 INFO L93 Difference]: Finished difference Result 5115 states and 6736 transitions. [2022-02-24 00:34:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 00:34:44,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 415 [2022-02-24 00:34:44,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:44,358 INFO L225 Difference]: With dead ends: 5115 [2022-02-24 00:34:44,358 INFO L226 Difference]: Without dead ends: 2844 [2022-02-24 00:34:44,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-02-24 00:34:44,363 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 577 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:44,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 320 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-24 00:34:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2022-02-24 00:34:44,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2371. [2022-02-24 00:34:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2366 states have (on average 1.323330515638208) internal successors, (3131), 2366 states have internal predecessors, (3131), 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) [2022-02-24 00:34:44,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3135 transitions. [2022-02-24 00:34:44,406 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3135 transitions. Word has length 415 [2022-02-24 00:34:44,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:44,407 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 3135 transitions. [2022-02-24 00:34:44,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.42857142857143) internal successors, (241), 6 states have internal predecessors, (241), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3135 transitions. [2022-02-24 00:34:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-02-24 00:34:44,412 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:44,412 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:44,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-24 00:34:44,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:44,628 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1609780516, now seen corresponding path program 1 times [2022-02-24 00:34:44,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:44,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943723206] [2022-02-24 00:34:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3128 backedges. 1661 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2022-02-24 00:34:44,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:44,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943723206] [2022-02-24 00:34:44,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943723206] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:34:44,702 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:34:44,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:34:44,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216628126] [2022-02-24 00:34:44,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:34:44,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:34:44,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:44,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:34:44,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:34:44,705 INFO L87 Difference]: Start difference. First operand 2371 states and 3135 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-02-24 00:34:44,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:44,917 INFO L93 Difference]: Finished difference Result 5052 states and 6729 transitions. [2022-02-24 00:34:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:34:44,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 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 543 [2022-02-24 00:34:44,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:44,921 INFO L225 Difference]: With dead ends: 5052 [2022-02-24 00:34:44,921 INFO L226 Difference]: Without dead ends: 2695 [2022-02-24 00:34:44,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:34:44,926 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 203 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:44,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 215 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 00:34:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2022-02-24 00:34:44,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2677. [2022-02-24 00:34:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2672 states have (on average 1.3031437125748504) internal successors, (3482), 2672 states have internal predecessors, (3482), 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) [2022-02-24 00:34:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3486 transitions. [2022-02-24 00:34:44,974 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3486 transitions. Word has length 543 [2022-02-24 00:34:44,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:44,975 INFO L470 AbstractCegarLoop]: Abstraction has 2677 states and 3486 transitions. [2022-02-24 00:34:44,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-02-24 00:34:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3486 transitions. [2022-02-24 00:34:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2022-02-24 00:34:44,980 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:44,980 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:44,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-24 00:34:44,980 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash -754710608, now seen corresponding path program 1 times [2022-02-24 00:34:44,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:44,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793053093] [2022-02-24 00:34:44,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:34:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-02-24 00:34:45,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:34:45,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793053093] [2022-02-24 00:34:45,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793053093] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:34:45,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516741905] [2022-02-24 00:34:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:45,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:45,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:45,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 00:34:45,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-24 00:34:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:34:45,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-24 00:34:45,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:34:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-02-24 00:34:45,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-24 00:34:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-02-24 00:34:46,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516741905] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-24 00:34:46,576 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-24 00:34:46,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-02-24 00:34:46,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528190930] [2022-02-24 00:34:46,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-24 00:34:46,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-24 00:34:46,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:34:46,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-24 00:34:46,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-24 00:34:46,578 INFO L87 Difference]: Start difference. First operand 2677 states and 3486 transitions. Second operand has 9 states, 9 states have (on average 37.22222222222222) internal successors, (335), 8 states have internal predecessors, (335), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:34:47,322 INFO L93 Difference]: Finished difference Result 4430 states and 5775 transitions. [2022-02-24 00:34:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 00:34:47,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 37.22222222222222) internal successors, (335), 8 states have internal predecessors, (335), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 605 [2022-02-24 00:34:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:34:47,323 INFO L225 Difference]: With dead ends: 4430 [2022-02-24 00:34:47,323 INFO L226 Difference]: Without dead ends: 0 [2022-02-24 00:34:47,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1223 GetRequests, 1212 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-02-24 00:34:47,348 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 399 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:34:47,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 313 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-24 00:34:47,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-24 00:34:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-24 00:34:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-24 00:34:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-24 00:34:47,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 605 [2022-02-24 00:34:47,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:34:47,349 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-24 00:34:47,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.22222222222222) internal successors, (335), 8 states have internal predecessors, (335), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:34:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-24 00:34:47,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-24 00:34:47,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 00:34:47,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-24 00:34:47,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:34:47,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-24 00:34:51,879 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-02-24 00:34:51,880 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 623 634) the Hoare annotation is: true [2022-02-24 00:34:51,880 INFO L861 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: true [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point mainFINAL(lines 623 634) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L858 garLoopResultBuilder]: For program point mainEXIT(lines 623 634) no Hoare annotation was computed. [2022-02-24 00:34:51,880 INFO L861 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 622) the Hoare annotation is: true [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 622) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse3 (= ssl3_accept_~s__state~0 8656)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= 8640 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__state~0 8640)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse13 (= 8448 ssl3_accept_~s__state~0)) (.cse4 (not .cse2)) (.cse8 (<= ssl3_accept_~s__state~0 8672)) (.cse9 (<= 8672 ssl3_accept_~s__state~0)) (.cse10 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (= ssl3_accept_~blastFlag~0 0) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse2) (and .cse3 .cse0 .cse4) (and (< ssl3_accept_~s__state~0 8576) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse5 .cse1) (and .cse0 (= 8560 ssl3_accept_~s__state~0) .cse2) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and (not .cse6) .cse0 .cse7 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse7 .cse8 .cse9 .cse10) (and .cse3 .cse0 .cse7) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse2) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse2) (and .cse6 .cse0 .cse7 .cse11 .cse2) (and .cse6 .cse5 .cse4 .cse12 .cse11) (and .cse5 .cse13 .cse4 .cse12) (and .cse13 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse10) (and .cse4 .cse8 .cse9 .cse10)))) [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 622) no Hoare annotation was computed. [2022-02-24 00:34:51,881 INFO L861 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-02-24 00:34:51,881 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: (and (= ssl3_accept_~blastFlag~0 0) (<= 8672 ssl3_accept_~s__state~0)) [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse1 (< ssl3_accept_~s__state~0 8576)) (.cse0 (= ssl3_accept_~blastFlag~0 0))) (or (and (<= 8640 ssl3_accept_~s__state~0) .cse0) (and .cse1 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)) (and .cse1 .cse0))) [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-02-24 00:34:51,882 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0))) [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-02-24 00:34:51,883 INFO L854 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse3 (= ssl3_accept_~s__state~0 8656)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= 8640 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__state~0 8640)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse13 (= 8448 ssl3_accept_~s__state~0)) (.cse4 (not .cse2)) (.cse8 (<= ssl3_accept_~s__state~0 8672)) (.cse9 (<= 8672 ssl3_accept_~s__state~0)) (.cse10 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (= ssl3_accept_~blastFlag~0 0) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse2) (and .cse3 .cse0 .cse4) (and (< ssl3_accept_~s__state~0 8576) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse5 .cse1) (and .cse0 (= 8560 ssl3_accept_~s__state~0) .cse2) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and (not .cse6) .cse0 .cse7 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse7 .cse8 .cse9 .cse10) (and .cse3 .cse0 .cse7) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse2) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse2) (and .cse6 .cse0 .cse7 .cse11 .cse2) (and .cse6 .cse5 .cse4 .cse12 .cse11) (and .cse5 .cse13 .cse4 .cse12) (and .cse13 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse10) (and .cse4 .cse8 .cse9 .cse10)))) [2022-02-24 00:34:51,883 INFO L854 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8640))) (or (and (= 2 ssl3_accept_~blastFlag~0) .cse0) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0))) [2022-02-24 00:34:51,883 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0))) [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0)))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (= ssl3_accept_~blastFlag~0 1) .cse0) (and (< ssl3_accept_~s__state~0 8576) (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2022-02-24 00:34:51,884 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 219 553) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 219 553) no Hoare annotation was computed. [2022-02-24 00:34:51,885 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-02-24 00:34:51,885 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L854 garLoopResultBuilder]: At program point L362(lines 338 380) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L854 garLoopResultBuilder]: At program point L396(lines 387 419) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-02-24 00:34:51,886 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (not (<= ssl3_accept_~s__state~0 8496)))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)))) [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-02-24 00:34:51,886 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2022-02-24 00:34:51,887 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-02-24 00:34:51,887 INFO L854 garLoopResultBuilder]: At program point L408(lines 399 417) the Hoare annotation is: (let ((.cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse1 (not (<= ssl3_accept_~s__state~0 8496)))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)))) [2022-02-24 00:34:51,887 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 (not .cse1) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (and .cse0 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1 (= 3 ssl3_accept_~blastFlag~0)))) [2022-02-24 00:34:51,887 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-02-24 00:34:51,887 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2022-02-24 00:34:51,890 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2022-02-24 00:34:51,890 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-02-24 00:34:51,890 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2022-02-24 00:34:51,890 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (< ssl3_accept_~s__state~0 8640)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1))) [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (< ssl3_accept_~s__state~0 8640)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1))) [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-02-24 00:34:51,891 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse1 (< ssl3_accept_~s__state~0 8656)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse2) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__state~0 8640)))) [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 493) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse2))) [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L489-2(lines 489 493) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 502) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 510) no Hoare annotation was computed. [2022-02-24 00:34:51,892 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (<= 8672 ssl3_accept_~s__state~0)) (.cse1 (= 3 ssl3_accept_~blastFlag~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1) (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1))) [2022-02-24 00:34:51,892 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L507-2(lines 219 553) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L854 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-02-24 00:34:51,893 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-02-24 00:34:51,893 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-02-24 00:34:51,894 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-02-24 00:34:51,894 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-02-24 00:34:51,898 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:51,899 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 00:34:51,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:34:51 BasicIcfg [2022-02-24 00:34:51,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 00:34:51,916 INFO L158 Benchmark]: Toolchain (without parser) took 21253.16ms. Allocated memory was 201.3MB in the beginning and 424.7MB in the end (delta: 223.3MB). Free memory was 173.6MB in the beginning and 339.3MB in the end (delta: -165.7MB). Peak memory consumption was 264.1MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,916 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 00:34:51,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.06ms. Allocated memory is still 201.3MB. Free memory was 173.4MB in the beginning and 168.3MB in the end (delta: 5.1MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,917 INFO L158 Benchmark]: Boogie Preprocessor took 54.31ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 165.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,917 INFO L158 Benchmark]: RCFGBuilder took 491.82ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 138.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,917 INFO L158 Benchmark]: IcfgTransformer took 39.74ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 135.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,917 INFO L158 Benchmark]: TraceAbstraction took 20334.52ms. Allocated memory was 201.3MB in the beginning and 424.7MB in the end (delta: 223.3MB). Free memory was 135.0MB in the beginning and 339.3MB in the end (delta: -204.3MB). Peak memory consumption was 226.9MB. Max. memory is 8.0GB. [2022-02-24 00:34:51,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.06ms. Allocated memory is still 201.3MB. Free memory was 173.4MB in the beginning and 168.3MB in the end (delta: 5.1MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.31ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 165.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 491.82ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 138.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 39.74ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 135.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 20334.52ms. Allocated memory was 201.3MB in the beginning and 424.7MB in the end (delta: 223.3MB). Free memory was 135.0MB in the beginning and 339.3MB in the end (delta: -204.3MB). Peak memory consumption was 226.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 21, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6724 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6722 mSDsluCounter, 6085 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 367 mSDsCounter, 658 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8072 IncrementalHoareTripleChecker+Invalid, 8730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 658 mSolverCounterUnsat, 5718 mSDtfsCounter, 8072 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3610 GetRequests, 3515 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6508occurred in iteration=14, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 3861 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 298 NumberOfFragments, 987 HoareAnnotationTreeSize, 32 FomulaSimplifications, 13738 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 32 FomulaSimplificationsInter, 21605 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 6979 NumberOfCodeBlocks, 6979 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8466 ConstructedInterpolants, 0 QuantifiedInterpolants, 12147 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3465 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 30 InterpolantComputations, 17 PerfectInterpolantSequences, 31324/31632 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((s__state < 8640 && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((s__state < 8640 && blastFlag == 0) && 8496 < s__state) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((!(8576 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && !(8576 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((!(8576 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && !(8576 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(8576 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && !(8576 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((8448 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) || (blastFlag == 0 && 8448 == s__state)) || (((s__s3__tmp__next_state___0 <= 8640 && 8448 == s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || (((8448 == s__state && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((2 == blastFlag && s__state == 3) || blastFlag == 0) || ((s__state == 8544 && 2 == blastFlag) && s__hit == 0)) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || ((2 == blastFlag && 8560 == s__state) && s__hit == 0)) || (blastFlag == 1 && 8496 == s__state)) || ((((!(8640 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((s__s3__tmp__next_state___0 <= 8640 && 8448 == s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || (((8448 == s__state && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (blastFlag == 0 && !(8576 <= s__state)) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) || ((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8576 <= s__state)) || (blastFlag == 1 && !(8576 <= s__state))) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656) && s__hit == 0) || ((8640 <= s__state && blastFlag == 0) && s__state < 8656)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && 8672 <= s__state) && 3 == blastFlag)) || ((!(s__hit == 0) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((2 == blastFlag && s__state <= 8640) || (blastFlag == 0 && s__state <= 8640)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) || (((8640 <= s__state && 2 == blastFlag) && !(s__hit == 0)) && s__state <= 8672)) || ((8640 <= s__state && blastFlag == 0) && s__state <= 8672) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (blastFlag == 0 && !(8576 <= s__state)) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((!(8576 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && !(8576 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8576 <= s__state)) && !(s__state <= 8496)) || (((!(8576 <= s__state) && 2 == blastFlag) && !(s__state <= 8496)) && s__hit == 0) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8576 <= s__state)) && !(s__state <= 8496)) || (((!(8576 <= s__state) && 2 == blastFlag) && !(s__state <= 8496)) && s__hit == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag == 0 && 8672 <= s__state - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag == 0) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0)) || (s__state < 8576 && blastFlag == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((s__state < 8640 && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((s__state < 8640 && blastFlag == 0) && 8496 < s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((2 == blastFlag && s__state == 3) || blastFlag == 0) || ((s__state == 8544 && 2 == blastFlag) && s__hit == 0)) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || (((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || ((2 == blastFlag && 8560 == s__state) && s__hit == 0)) || (blastFlag == 1 && 8496 == s__state)) || ((((!(8640 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((s__s3__tmp__next_state___0 <= 8640 && 8448 == s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || (((8448 == s__state && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((!(8576 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && !(8576 <= s__state)) && 8496 < s__state) RESULT: Ultimate proved your program to be correct! [2022-02-24 00:34:51,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...