/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_clnt_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 12:05:47,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 12:05:47,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 12:05:47,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 12:05:47,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 12:05:47,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 12:05:47,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 12:05:47,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 12:05:47,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 12:05:47,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 12:05:47,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 12:05:47,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 12:05:47,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 12:05:47,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 12:05:47,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 12:05:47,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 12:05:47,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 12:05:47,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 12:05:47,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 12:05:47,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 12:05:47,260 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 12:05:47,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 12:05:47,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 12:05:47,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 12:05:47,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 12:05:47,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 12:05:47,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 12:05:47,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 12:05:47,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 12:05:47,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 12:05:47,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 12:05:47,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 12:05:47,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 12:05:47,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 12:05:47,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 12:05:47,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 12:05:47,293 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 12:05:47,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 12:05:47,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 12:05:47,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 12:05:47,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 12:05:47,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 12:05:47,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 12:05:47,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:05:47,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 12:05:47,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 12:05:47,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 12:05:47,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 12:05:47,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 12:05:47,297 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 12:05:47,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 12:05:47,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 12:05:47,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 12:05:47,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 12:05:47,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 12:05:47,538 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 12:05:47,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-03-20 12:05:47,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6276c635/1d3a33a68f09406082b16c85983c498b/FLAGfc3a26c08 [2022-03-20 12:05:48,015 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 12:05:48,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-03-20 12:05:48,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6276c635/1d3a33a68f09406082b16c85983c498b/FLAGfc3a26c08 [2022-03-20 12:05:48,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6276c635/1d3a33a68f09406082b16c85983c498b [2022-03-20 12:05:48,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 12:05:48,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 12:05:48,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 12:05:48,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 12:05:48,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 12:05:48,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557cff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48, skipping insertion in model container [2022-03-20 12:05:48,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 12:05:48,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 12:05:48,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-03-20 12:05:48,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:05:48,360 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 12:05:48,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-03-20 12:05:48,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:05:48,414 INFO L208 MainTranslator]: Completed translation [2022-03-20 12:05:48,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48 WrapperNode [2022-03-20 12:05:48,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 12:05:48,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 12:05:48,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 12:05:48,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 12:05:48,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 12:05:48,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 12:05:48,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 12:05:48,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 12:05:48,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (1/1) ... [2022-03-20 12:05:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:05:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:48,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 12:05:48,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 12:05:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 12:05:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 12:05:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 12:05:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 12:05:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 12:05:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 12:05:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 12:05:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 12:05:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 12:05:48,626 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 12:05:48,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 12:05:48,729 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 12:05:49,032 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 12:05:49,032 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 12:05:49,035 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 12:05:49,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 12:05:49,043 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 12:05:49,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:49 BoogieIcfgContainer [2022-03-20 12:05:49,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 12:05:49,046 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 12:05:49,046 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 12:05:49,047 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 12:05:49,049 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:49" (1/1) ... [2022-03-20 12:05:49,051 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 12:05:49,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:05:49 BasicIcfg [2022-03-20 12:05:49,088 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 12:05:49,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 12:05:49,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 12:05:49,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 12:05:49,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 12:05:48" (1/4) ... [2022-03-20 12:05:49,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae5a877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:05:49, skipping insertion in model container [2022-03-20 12:05:49,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:48" (2/4) ... [2022-03-20 12:05:49,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae5a877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:05:49, skipping insertion in model container [2022-03-20 12:05:49,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:49" (3/4) ... [2022-03-20 12:05:49,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae5a877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:05:49, skipping insertion in model container [2022-03-20 12:05:49,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:05:49" (4/4) ... [2022-03-20 12:05:49,096 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-2.cqvasr [2022-03-20 12:05:49,100 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 12:05:49,100 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 12:05:49,146 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 12:05:49,151 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-03-20 12:05:49,152 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 12:05:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 12:05:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 12:05:49,174 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:49,175 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:49,175 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:49,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash 291212414, now seen corresponding path program 1 times [2022-03-20 12:05:49,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:49,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339939214] [2022-03-20 12:05:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:05:49,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:49,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339939214] [2022-03-20 12:05:49,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339939214] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:49,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:49,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:49,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475719273] [2022-03-20 12:05:49,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:49,446 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:49,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:49,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:49,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:49,471 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:49,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:49,778 INFO L93 Difference]: Finished difference Result 375 states and 629 transitions. [2022-03-20 12:05:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:49,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 12:05:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:49,791 INFO L225 Difference]: With dead ends: 375 [2022-03-20 12:05:49,791 INFO L226 Difference]: Without dead ends: 218 [2022-03-20 12:05:49,795 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:49,797 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 576 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:49,798 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 225 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-03-20 12:05:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-03-20 12:05:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 213 states have (on average 1.4929577464788732) internal successors, (318), 213 states have internal predecessors, (318), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 322 transitions. [2022-03-20 12:05:49,846 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 322 transitions. Word has length 30 [2022-03-20 12:05:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:49,846 INFO L478 AbstractCegarLoop]: Abstraction has 218 states and 322 transitions. [2022-03-20 12:05:49,846 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2022-03-20 12:05:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 12:05:49,848 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:49,848 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:49,848 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 12:05:49,848 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:49,849 INFO L85 PathProgramCache]: Analyzing trace with hash 654554040, now seen corresponding path program 1 times [2022-03-20 12:05:49,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:49,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42776278] [2022-03-20 12:05:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:49,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:05:49,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:49,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42776278] [2022-03-20 12:05:49,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42776278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:49,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:49,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841180024] [2022-03-20 12:05:49,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:49,917 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:49,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:49,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:49,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:49,918 INFO L87 Difference]: Start difference. First operand 218 states and 322 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:50,083 INFO L93 Difference]: Finished difference Result 348 states and 521 transitions. [2022-03-20 12:05:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:50,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-20 12:05:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:50,085 INFO L225 Difference]: With dead ends: 348 [2022-03-20 12:05:50,085 INFO L226 Difference]: Without dead ends: 243 [2022-03-20 12:05:50,085 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:50,086 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:50,087 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:50,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-03-20 12:05:50,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2022-03-20 12:05:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.4782608695652173) internal successors, (340), 230 states have internal predecessors, (340), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 344 transitions. [2022-03-20 12:05:50,095 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 344 transitions. Word has length 44 [2022-03-20 12:05:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:50,095 INFO L478 AbstractCegarLoop]: Abstraction has 235 states and 344 transitions. [2022-03-20 12:05:50,095 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2022-03-20 12:05:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 12:05:50,097 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:50,097 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:50,097 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 12:05:50,097 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:50,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:50,098 INFO L85 PathProgramCache]: Analyzing trace with hash -13184325, now seen corresponding path program 1 times [2022-03-20 12:05:50,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:50,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430430776] [2022-03-20 12:05:50,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:50,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:50,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:50,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430430776] [2022-03-20 12:05:50,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430430776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:50,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:50,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:50,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769984010] [2022-03-20 12:05:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:50,159 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:50,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:50,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:50,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:50,159 INFO L87 Difference]: Start difference. First operand 235 states and 344 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:50,314 INFO L93 Difference]: Finished difference Result 507 states and 754 transitions. [2022-03-20 12:05:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:50,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 12:05:50,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:50,317 INFO L225 Difference]: With dead ends: 507 [2022-03-20 12:05:50,317 INFO L226 Difference]: Without dead ends: 285 [2022-03-20 12:05:50,318 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:50,319 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 192 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:50,319 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 193 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-03-20 12:05:50,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 275. [2022-03-20 12:05:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4444444444444444) internal successors, (390), 270 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-03-20 12:05:50,337 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 61 [2022-03-20 12:05:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:50,338 INFO L478 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-03-20 12:05:50,338 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-03-20 12:05:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 12:05:50,339 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:50,340 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:50,340 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 12:05:50,340 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1257948806, now seen corresponding path program 1 times [2022-03-20 12:05:50,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:50,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093629805] [2022-03-20 12:05:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:50,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:50,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:50,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093629805] [2022-03-20 12:05:50,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093629805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:50,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:50,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:50,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274348126] [2022-03-20 12:05:50,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:50,404 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:50,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:50,404 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:50,604 INFO L93 Difference]: Finished difference Result 637 states and 947 transitions. [2022-03-20 12:05:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 12:05:50,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:50,608 INFO L225 Difference]: With dead ends: 637 [2022-03-20 12:05:50,608 INFO L226 Difference]: Without dead ends: 373 [2022-03-20 12:05:50,609 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:50,615 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:50,616 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 205 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-03-20 12:05:50,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 355. [2022-03-20 12:05:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 350 states have (on average 1.3942857142857144) internal successors, (488), 350 states have internal predecessors, (488), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 492 transitions. [2022-03-20 12:05:50,624 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 492 transitions. Word has length 61 [2022-03-20 12:05:50,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:50,625 INFO L478 AbstractCegarLoop]: Abstraction has 355 states and 492 transitions. [2022-03-20 12:05:50,625 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 492 transitions. [2022-03-20 12:05:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 12:05:50,627 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:50,627 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:50,627 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 12:05:50,627 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:50,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1806652013, now seen corresponding path program 1 times [2022-03-20 12:05:50,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:50,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792473861] [2022-03-20 12:05:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:50,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:50,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:50,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792473861] [2022-03-20 12:05:50,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792473861] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:50,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:50,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:50,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957255575] [2022-03-20 12:05:50,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:50,680 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:50,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:50,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:50,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:50,681 INFO L87 Difference]: Start difference. First operand 355 states and 492 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:50,835 INFO L93 Difference]: Finished difference Result 803 states and 1151 transitions. [2022-03-20 12:05:50,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:50,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-20 12:05:50,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:50,841 INFO L225 Difference]: With dead ends: 803 [2022-03-20 12:05:50,841 INFO L226 Difference]: Without dead ends: 459 [2022-03-20 12:05:50,842 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:50,843 INFO L913 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:50,843 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:50,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-03-20 12:05:50,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 433. [2022-03-20 12:05:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 428 states have (on average 1.4532710280373833) internal successors, (622), 428 states have internal predecessors, (622), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 626 transitions. [2022-03-20 12:05:50,853 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 626 transitions. Word has length 74 [2022-03-20 12:05:50,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:50,854 INFO L478 AbstractCegarLoop]: Abstraction has 433 states and 626 transitions. [2022-03-20 12:05:50,854 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 626 transitions. [2022-03-20 12:05:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 12:05:50,875 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:50,875 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:50,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 12:05:50,875 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:50,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:50,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1033399768, now seen corresponding path program 1 times [2022-03-20 12:05:50,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:50,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517300975] [2022-03-20 12:05:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:50,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-20 12:05:50,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:50,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517300975] [2022-03-20 12:05:50,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517300975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:50,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:50,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:50,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782836308] [2022-03-20 12:05:50,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:50,946 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:50,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:50,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:50,947 INFO L87 Difference]: Start difference. First operand 433 states and 626 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:51,109 INFO L93 Difference]: Finished difference Result 901 states and 1312 transitions. [2022-03-20 12:05:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:51,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-20 12:05:51,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:51,112 INFO L225 Difference]: With dead ends: 901 [2022-03-20 12:05:51,112 INFO L226 Difference]: Without dead ends: 481 [2022-03-20 12:05:51,112 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:51,113 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:51,113 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-03-20 12:05:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 475. [2022-03-20 12:05:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 470 states have (on average 1.4340425531914893) internal successors, (674), 470 states have internal predecessors, (674), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 678 transitions. [2022-03-20 12:05:51,122 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 678 transitions. Word has length 78 [2022-03-20 12:05:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:51,123 INFO L478 AbstractCegarLoop]: Abstraction has 475 states and 678 transitions. [2022-03-20 12:05:51,139 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 678 transitions. [2022-03-20 12:05:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 12:05:51,140 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:51,141 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:51,141 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 12:05:51,141 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash 690032158, now seen corresponding path program 1 times [2022-03-20 12:05:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:51,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827309140] [2022-03-20 12:05:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-20 12:05:51,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:51,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827309140] [2022-03-20 12:05:51,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827309140] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:51,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:51,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:51,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179526227] [2022-03-20 12:05:51,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:51,211 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:51,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:51,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:51,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:51,212 INFO L87 Difference]: Start difference. First operand 475 states and 678 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:51,371 INFO L93 Difference]: Finished difference Result 956 states and 1370 transitions. [2022-03-20 12:05:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:51,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-20 12:05:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:51,374 INFO L225 Difference]: With dead ends: 956 [2022-03-20 12:05:51,374 INFO L226 Difference]: Without dead ends: 714 [2022-03-20 12:05:51,375 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:51,376 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:51,376 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 323 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-03-20 12:05:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2022-03-20 12:05:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 709 states have (on average 1.4287729196050776) internal successors, (1013), 709 states have internal predecessors, (1013), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1017 transitions. [2022-03-20 12:05:51,393 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1017 transitions. Word has length 98 [2022-03-20 12:05:51,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:51,393 INFO L478 AbstractCegarLoop]: Abstraction has 714 states and 1017 transitions. [2022-03-20 12:05:51,393 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1017 transitions. [2022-03-20 12:05:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 12:05:51,395 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:51,395 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:51,395 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 12:05:51,395 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:51,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1117815363, now seen corresponding path program 1 times [2022-03-20 12:05:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:51,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305153092] [2022-03-20 12:05:51,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 12:05:51,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:51,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305153092] [2022-03-20 12:05:51,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305153092] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:51,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:51,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:51,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398552965] [2022-03-20 12:05:51,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:51,432 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:51,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:51,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:51,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:51,433 INFO L87 Difference]: Start difference. First operand 714 states and 1017 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:51,616 INFO L93 Difference]: Finished difference Result 1216 states and 1731 transitions. [2022-03-20 12:05:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:51,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 98 [2022-03-20 12:05:51,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:51,618 INFO L225 Difference]: With dead ends: 1216 [2022-03-20 12:05:51,619 INFO L226 Difference]: Without dead ends: 735 [2022-03-20 12:05:51,619 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:51,620 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:51,620 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-03-20 12:05:51,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-03-20 12:05:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4246575342465753) internal successors, (1040), 730 states have internal predecessors, (1040), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-03-20 12:05:51,634 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-03-20 12:05:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:51,634 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-03-20 12:05:51,634 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-03-20 12:05:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-20 12:05:51,638 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:51,638 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:51,638 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 12:05:51,638 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:51,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash 531892615, now seen corresponding path program 1 times [2022-03-20 12:05:51,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:51,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935428729] [2022-03-20 12:05:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 12:05:51,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:51,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935428729] [2022-03-20 12:05:51,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935428729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:51,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:51,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272493672] [2022-03-20 12:05:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:51,676 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:51,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:51,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:51,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:51,677 INFO L87 Difference]: Start difference. First operand 735 states and 1044 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:51,823 INFO L93 Difference]: Finished difference Result 977 states and 1391 transitions. [2022-03-20 12:05:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:51,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-03-20 12:05:51,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:51,826 INFO L225 Difference]: With dead ends: 977 [2022-03-20 12:05:51,827 INFO L226 Difference]: Without dead ends: 975 [2022-03-20 12:05:51,827 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:51,828 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:51,828 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-03-20 12:05:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-03-20 12:05:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 970 states have (on average 1.4278350515463918) internal successors, (1385), 970 states have internal predecessors, (1385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-03-20 12:05:51,875 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-03-20 12:05:51,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:51,876 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-03-20 12:05:51,876 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-03-20 12:05:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-03-20 12:05:51,880 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:51,880 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 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] [2022-03-20 12:05:51,880 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 12:05:51,883 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:51,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1531499270, now seen corresponding path program 1 times [2022-03-20 12:05:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:51,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959842815] [2022-03-20 12:05:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-03-20 12:05:51,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:51,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959842815] [2022-03-20 12:05:51,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959842815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:51,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:51,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:51,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898745653] [2022-03-20 12:05:51,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:51,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:51,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:51,937 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:52,131 INFO L93 Difference]: Finished difference Result 2141 states and 3101 transitions. [2022-03-20 12:05:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:52,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 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 169 [2022-03-20 12:05:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:52,148 INFO L225 Difference]: With dead ends: 2141 [2022-03-20 12:05:52,148 INFO L226 Difference]: Without dead ends: 1171 [2022-03-20 12:05:52,150 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:52,152 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 237 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:52,152 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 205 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-03-20 12:05:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-03-20 12:05:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1126 states have (on average 1.4431616341030196) internal successors, (1625), 1126 states have internal predecessors, (1625), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-03-20 12:05:52,180 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 169 [2022-03-20 12:05:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:52,181 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-03-20 12:05:52,181 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-03-20 12:05:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-03-20 12:05:52,184 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:52,184 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 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] [2022-03-20 12:05:52,185 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 12:05:52,185 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:52,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1426975046, now seen corresponding path program 1 times [2022-03-20 12:05:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:52,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689025666] [2022-03-20 12:05:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-03-20 12:05:52,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:52,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689025666] [2022-03-20 12:05:52,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689025666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:52,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:52,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:52,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029477443] [2022-03-20 12:05:52,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:52,260 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:52,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:52,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:52,262 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:52,408 INFO L93 Difference]: Finished difference Result 2355 states and 3371 transitions. [2022-03-20 12:05:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:52,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 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 205 [2022-03-20 12:05:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:52,412 INFO L225 Difference]: With dead ends: 2355 [2022-03-20 12:05:52,412 INFO L226 Difference]: Without dead ends: 1237 [2022-03-20 12:05:52,414 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:52,415 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:52,415 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:52,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-03-20 12:05:52,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-03-20 12:05:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1218 states have (on average 1.4261083743842364) internal successors, (1737), 1218 states have internal predecessors, (1737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-03-20 12:05:52,437 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 205 [2022-03-20 12:05:52,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:52,437 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-03-20 12:05:52,437 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-03-20 12:05:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-03-20 12:05:52,440 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:52,440 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2022-03-20 12:05:52,440 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 12:05:52,440 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:52,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1195422498, now seen corresponding path program 1 times [2022-03-20 12:05:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:52,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551276671] [2022-03-20 12:05:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-03-20 12:05:52,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551276671] [2022-03-20 12:05:52,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551276671] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:52,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:52,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:52,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643068822] [2022-03-20 12:05:52,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:52,481 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:52,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:52,482 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:52,652 INFO L93 Difference]: Finished difference Result 2545 states and 3613 transitions. [2022-03-20 12:05:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 226 [2022-03-20 12:05:52,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:52,656 INFO L225 Difference]: With dead ends: 2545 [2022-03-20 12:05:52,656 INFO L226 Difference]: Without dead ends: 1335 [2022-03-20 12:05:52,658 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:52,658 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:52,658 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-20 12:05:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-03-20 12:05:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1318 states have (on average 1.4089529590288317) internal successors, (1857), 1318 states have internal predecessors, (1857), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-03-20 12:05:52,684 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 226 [2022-03-20 12:05:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:52,684 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-03-20 12:05:52,685 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-03-20 12:05:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-20 12:05:52,688 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:52,688 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:52,688 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 12:05:52,688 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash -454255385, now seen corresponding path program 1 times [2022-03-20 12:05:52,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:52,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609415095] [2022-03-20 12:05:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-03-20 12:05:52,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:52,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609415095] [2022-03-20 12:05:52,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609415095] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:52,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:52,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:52,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327597621] [2022-03-20 12:05:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:52,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:52,738 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:52,899 INFO L93 Difference]: Finished difference Result 2753 states and 3865 transitions. [2022-03-20 12:05:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:52,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 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 250 [2022-03-20 12:05:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:52,904 INFO L225 Difference]: With dead ends: 2753 [2022-03-20 12:05:52,904 INFO L226 Difference]: Without dead ends: 1443 [2022-03-20 12:05:52,907 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:52,907 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:52,907 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-03-20 12:05:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-03-20 12:05:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1430 states have (on average 1.3909090909090909) internal successors, (1989), 1430 states have internal predecessors, (1989), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-03-20 12:05:52,937 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 250 [2022-03-20 12:05:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:52,938 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-03-20 12:05:52,938 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-03-20 12:05:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-20 12:05:52,941 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:52,941 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:52,941 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 12:05:52,942 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:52,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:52,942 INFO L85 PathProgramCache]: Analyzing trace with hash -746641210, now seen corresponding path program 1 times [2022-03-20 12:05:52,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:52,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186413696] [2022-03-20 12:05:52,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:52,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-03-20 12:05:52,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:52,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186413696] [2022-03-20 12:05:52,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186413696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:52,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:52,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:52,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866180878] [2022-03-20 12:05:52,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:52,988 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:52,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:52,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:52,988 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:53,153 INFO L93 Difference]: Finished difference Result 2993 states and 4165 transitions. [2022-03-20 12:05:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:53,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 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 250 [2022-03-20 12:05:53,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:53,158 INFO L225 Difference]: With dead ends: 2993 [2022-03-20 12:05:53,158 INFO L226 Difference]: Without dead ends: 1571 [2022-03-20 12:05:53,160 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:53,161 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:53,161 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-03-20 12:05:53,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-03-20 12:05:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1554 states have (on average 1.3725868725868726) internal successors, (2133), 1554 states have internal predecessors, (2133), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-03-20 12:05:53,188 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 250 [2022-03-20 12:05:53,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:53,189 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-03-20 12:05:53,189 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-03-20 12:05:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-03-20 12:05:53,192 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:53,192 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:05:53,192 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 12:05:53,192 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:53,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:53,193 INFO L85 PathProgramCache]: Analyzing trace with hash -514717482, now seen corresponding path program 1 times [2022-03-20 12:05:53,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:53,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731977245] [2022-03-20 12:05:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:53,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-03-20 12:05:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:53,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731977245] [2022-03-20 12:05:53,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731977245] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:53,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:53,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086831140] [2022-03-20 12:05:53,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:53,247 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:53,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:53,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:53,247 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:53,402 INFO L93 Difference]: Finished difference Result 4647 states and 6373 transitions. [2022-03-20 12:05:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:53,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 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 280 [2022-03-20 12:05:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:53,411 INFO L225 Difference]: With dead ends: 4647 [2022-03-20 12:05:53,411 INFO L226 Difference]: Without dead ends: 3101 [2022-03-20 12:05:53,415 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:53,416 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:53,417 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:53,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-03-20 12:05:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-03-20 12:05:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3094 states have (on average 1.3716871363930188) internal successors, (4244), 3094 states have internal predecessors, (4244), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-03-20 12:05:53,498 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 280 [2022-03-20 12:05:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:53,498 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-03-20 12:05:53,498 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-03-20 12:05:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-03-20 12:05:53,505 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:53,505 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:05:53,505 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 12:05:53,505 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:53,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:53,506 INFO L85 PathProgramCache]: Analyzing trace with hash -807103307, now seen corresponding path program 1 times [2022-03-20 12:05:53,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:53,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677539936] [2022-03-20 12:05:53,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:53,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-03-20 12:05:53,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:53,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677539936] [2022-03-20 12:05:53,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677539936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:53,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:53,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:53,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654491867] [2022-03-20 12:05:53,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:53,567 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:53,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:53,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:53,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:53,568 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:53,783 INFO L93 Difference]: Finished difference Result 6485 states and 8923 transitions. [2022-03-20 12:05:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:53,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 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 280 [2022-03-20 12:05:53,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:53,793 INFO L225 Difference]: With dead ends: 6485 [2022-03-20 12:05:53,793 INFO L226 Difference]: Without dead ends: 3399 [2022-03-20 12:05:53,799 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:53,800 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:53,800 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-03-20 12:05:53,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-03-20 12:05:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3378 states have (on average 1.3522794552989934) internal successors, (4568), 3378 states have internal predecessors, (4568), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-03-20 12:05:53,867 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 280 [2022-03-20 12:05:53,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:53,868 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-03-20 12:05:53,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-03-20 12:05:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-03-20 12:05:53,873 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:53,874 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:53,874 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 12:05:53,874 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 574436732, now seen corresponding path program 1 times [2022-03-20 12:05:53,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:53,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871779734] [2022-03-20 12:05:53,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-03-20 12:05:53,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:53,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871779734] [2022-03-20 12:05:53,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871779734] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:53,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:53,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84914990] [2022-03-20 12:05:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:53,935 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:53,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:53,936 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:54,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:54,168 INFO L93 Difference]: Finished difference Result 6901 states and 9339 transitions. [2022-03-20 12:05:54,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:54,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 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 304 [2022-03-20 12:05:54,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:54,177 INFO L225 Difference]: With dead ends: 6901 [2022-03-20 12:05:54,178 INFO L226 Difference]: Without dead ends: 3531 [2022-03-20 12:05:54,183 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:54,184 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:54,184 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-20 12:05:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-03-20 12:05:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3510 states have (on average 1.3447293447293447) internal successors, (4720), 3510 states have internal predecessors, (4720), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-03-20 12:05:54,287 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 304 [2022-03-20 12:05:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:54,287 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-03-20 12:05:54,287 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-03-20 12:05:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-03-20 12:05:54,293 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:54,294 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:54,294 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 12:05:54,294 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash -113569885, now seen corresponding path program 1 times [2022-03-20 12:05:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184654671] [2022-03-20 12:05:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-03-20 12:05:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:54,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184654671] [2022-03-20 12:05:54,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184654671] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:54,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:54,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:54,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924048079] [2022-03-20 12:05:54,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:54,351 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:54,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:54,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:54,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:54,352 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 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) [2022-03-20 12:05:54,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:54,577 INFO L93 Difference]: Finished difference Result 7417 states and 10103 transitions. [2022-03-20 12:05:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:54,577 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 315 [2022-03-20 12:05:54,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:54,595 INFO L225 Difference]: With dead ends: 7417 [2022-03-20 12:05:54,595 INFO L226 Difference]: Without dead ends: 3915 [2022-03-20 12:05:54,601 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:54,601 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 232 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:54,601 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:54,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-03-20 12:05:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-03-20 12:05:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 3822 states have (on average 1.3312401883830456) internal successors, (5088), 3822 states have internal predecessors, (5088), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-03-20 12:05:54,687 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 315 [2022-03-20 12:05:54,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:54,687 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-03-20 12:05:54,688 INFO L479 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) [2022-03-20 12:05:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-03-20 12:05:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-03-20 12:05:54,695 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:54,695 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:54,695 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 12:05:54,695 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:54,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:54,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1657886751, now seen corresponding path program 1 times [2022-03-20 12:05:54,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:54,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344188920] [2022-03-20 12:05:54,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-03-20 12:05:54,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344188920] [2022-03-20 12:05:54,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344188920] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:54,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:54,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002371386] [2022-03-20 12:05:54,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:54,744 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:54,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:54,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:54,744 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:54,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:54,943 INFO L93 Difference]: Finished difference Result 8049 states and 10647 transitions. [2022-03-20 12:05:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:54,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 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 329 [2022-03-20 12:05:54,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:54,957 INFO L225 Difference]: With dead ends: 8049 [2022-03-20 12:05:54,957 INFO L226 Difference]: Without dead ends: 4235 [2022-03-20 12:05:54,964 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:54,965 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:54,965 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-03-20 12:05:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-03-20 12:05:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3942 states have (on average 1.3272450532724505) internal successors, (5232), 3942 states have internal predecessors, (5232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-03-20 12:05:55,039 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 329 [2022-03-20 12:05:55,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:55,040 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-03-20 12:05:55,040 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-03-20 12:05:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-03-20 12:05:55,047 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:55,047 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:55,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 12:05:55,048 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash -305167178, now seen corresponding path program 1 times [2022-03-20 12:05:55,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:55,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179461905] [2022-03-20 12:05:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 799 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-03-20 12:05:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:55,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179461905] [2022-03-20 12:05:55,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179461905] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:55,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:55,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235777542] [2022-03-20 12:05:55,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:55,121 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:55,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:55,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:55,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:55,121 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:55,308 INFO L93 Difference]: Finished difference Result 11311 states and 15082 transitions. [2022-03-20 12:05:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:55,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 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 330 [2022-03-20 12:05:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:55,321 INFO L225 Difference]: With dead ends: 11311 [2022-03-20 12:05:55,321 INFO L226 Difference]: Without dead ends: 7377 [2022-03-20 12:05:55,328 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:55,329 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 262 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:55,329 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 323 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-03-20 12:05:55,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-03-20 12:05:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7370 states have (on average 1.3343283582089551) internal successors, (9834), 7370 states have internal predecessors, (9834), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-03-20 12:05:55,488 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 330 [2022-03-20 12:05:55,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:55,489 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-03-20 12:05:55,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-03-20 12:05:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-03-20 12:05:55,498 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:55,498 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:55,499 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 12:05:55,499 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1008792070, now seen corresponding path program 1 times [2022-03-20 12:05:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:55,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359678260] [2022-03-20 12:05:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 803 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-03-20 12:05:55,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:55,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359678260] [2022-03-20 12:05:55,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359678260] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:55,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:55,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:55,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020543124] [2022-03-20 12:05:55,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:55,559 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:55,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:55,560 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:55,788 INFO L93 Difference]: Finished difference Result 14745 states and 19651 transitions. [2022-03-20 12:05:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:55,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 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 331 [2022-03-20 12:05:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:55,801 INFO L225 Difference]: With dead ends: 14745 [2022-03-20 12:05:55,801 INFO L226 Difference]: Without dead ends: 7383 [2022-03-20 12:05:55,810 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:55,811 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:55,811 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:55,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-03-20 12:05:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-03-20 12:05:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 7346 states have (on average 1.3005717397222978) internal successors, (9554), 7346 states have internal predecessors, (9554), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-03-20 12:05:55,939 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 331 [2022-03-20 12:05:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:55,939 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-03-20 12:05:55,940 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-03-20 12:05:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-03-20 12:05:55,948 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:55,948 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:55,948 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 12:05:55,948 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:55,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1292890563, now seen corresponding path program 1 times [2022-03-20 12:05:55,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:55,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729224762] [2022-03-20 12:05:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 874 proven. 10 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-03-20 12:05:56,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:56,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729224762] [2022-03-20 12:05:56,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729224762] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:56,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670167337] [2022-03-20 12:05:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:56,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:56,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:56,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 12:05:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:56,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-20 12:05:56,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2022-03-20 12:05:56,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:05:56,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670167337] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:56,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:05:56,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-20 12:05:56,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787097207] [2022-03-20 12:05:56,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:56,731 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:05:56,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:05:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-20 12:05:56,732 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:56,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:56,924 INFO L93 Difference]: Finished difference Result 14867 states and 19340 transitions. [2022-03-20 12:05:56,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:05:56,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 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 354 [2022-03-20 12:05:56,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:56,938 INFO L225 Difference]: With dead ends: 14867 [2022-03-20 12:05:56,939 INFO L226 Difference]: Without dead ends: 7501 [2022-03-20 12:05:56,951 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-20 12:05:56,952 INFO L913 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:56,952 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 384 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-03-20 12:05:57,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-03-20 12:05:57,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 7352 states have (on average 1.3005984766050054) internal successors, (9562), 7352 states have internal predecessors, (9562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-03-20 12:05:57,086 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 354 [2022-03-20 12:05:57,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:57,086 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-03-20 12:05:57,086 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-03-20 12:05:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-03-20 12:05:57,094 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:57,095 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:57,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:57,316 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-03-20 12:05:57,317 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:57,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:57,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1908767314, now seen corresponding path program 1 times [2022-03-20 12:05:57,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:57,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117540749] [2022-03-20 12:05:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:57,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-20 12:05:57,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:57,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117540749] [2022-03-20 12:05:57,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117540749] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:57,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80465304] [2022-03-20 12:05:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:57,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:57,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:57,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:57,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 12:05:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:57,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:57,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-20 12:05:57,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:05:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-20 12:05:58,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80465304] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:05:58,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:05:58,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:05:58,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567055465] [2022-03-20 12:05:58,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:05:58,370 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:05:58,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:58,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:05:58,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:05:58,371 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:59,151 INFO L93 Difference]: Finished difference Result 14715 states and 19126 transitions. [2022-03-20 12:05:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 12:05:59,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 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 367 [2022-03-20 12:05:59,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:59,170 INFO L225 Difference]: With dead ends: 14715 [2022-03-20 12:05:59,170 INFO L226 Difference]: Without dead ends: 11125 [2022-03-20 12:05:59,178 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:05:59,178 INFO L913 BasicCegarLoop]: 385 mSDtfsCounter, 411 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:59,178 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 407 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 12:05:59,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11125 states. [2022-03-20 12:05:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11125 to 8461. [2022-03-20 12:05:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 8456 states have (on average 1.3077105014191106) internal successors, (11058), 8456 states have internal predecessors, (11058), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-03-20 12:05:59,345 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 367 [2022-03-20 12:05:59,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:59,346 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-03-20 12:05:59,346 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-03-20 12:05:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-20 12:05:59,357 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:59,357 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:59,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:59,571 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-03-20 12:05:59,571 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:59,572 INFO L85 PathProgramCache]: Analyzing trace with hash 677510765, now seen corresponding path program 2 times [2022-03-20 12:05:59,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:59,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139403706] [2022-03-20 12:05:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:59,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:05:59,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:59,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139403706] [2022-03-20 12:05:59,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139403706] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:59,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486415484] [2022-03-20 12:05:59,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 12:05:59,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:59,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:59,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:59,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 12:05:59,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 12:05:59,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 12:05:59,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:59,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:06:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:06:00,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:06:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:06:00,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486415484] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:06:00,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:06:00,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:06:00,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092573345] [2022-03-20 12:06:00,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:06:00,594 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:06:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:06:00,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:06:00,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:06:00,595 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:06:01,033 INFO L93 Difference]: Finished difference Result 19099 states and 24819 transitions. [2022-03-20 12:06:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 12:06:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 380 [2022-03-20 12:06:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:06:01,050 INFO L225 Difference]: With dead ends: 19099 [2022-03-20 12:06:01,050 INFO L226 Difference]: Without dead ends: 10649 [2022-03-20 12:06:01,063 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 12:06:01,064 INFO L913 BasicCegarLoop]: 202 mSDtfsCounter, 737 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:06:01,064 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 214 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 12:06:01,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10649 states. [2022-03-20 12:06:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10649 to 8499. [2022-03-20 12:06:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8499 states, 8494 states have (on average 1.276312691311514) internal successors, (10841), 8494 states have internal predecessors, (10841), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8499 states to 8499 states and 10845 transitions. [2022-03-20 12:06:01,216 INFO L78 Accepts]: Start accepts. Automaton has 8499 states and 10845 transitions. Word has length 380 [2022-03-20 12:06:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:06:01,217 INFO L478 AbstractCegarLoop]: Abstraction has 8499 states and 10845 transitions. [2022-03-20 12:06:01,217 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8499 states and 10845 transitions. [2022-03-20 12:06:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-20 12:06:01,227 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:06:01,228 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:06:01,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 12:06:01,443 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:06:01,443 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:06:01,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:06:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1014567377, now seen corresponding path program 1 times [2022-03-20 12:06:01,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:06:01,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963289708] [2022-03-20 12:06:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:06:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:06:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:06:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-20 12:06:01,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:06:01,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963289708] [2022-03-20 12:06:01,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963289708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:06:01,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:06:01,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:06:01,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147659428] [2022-03-20 12:06:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:06:01,508 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:06:01,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:06:01,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:06:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:06:01,509 INFO L87 Difference]: Start difference. First operand 8499 states and 10845 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:06:01,727 INFO L93 Difference]: Finished difference Result 15855 states and 19678 transitions. [2022-03-20 12:06:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:06:01,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 419 [2022-03-20 12:06:01,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:06:01,734 INFO L225 Difference]: With dead ends: 15855 [2022-03-20 12:06:01,734 INFO L226 Difference]: Without dead ends: 3801 [2022-03-20 12:06:01,772 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:06:01,773 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:06:01,773 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:06:01,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-03-20 12:06:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3611. [2022-03-20 12:06:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3611 states, 3606 states have (on average 1.2470881863560732) internal successors, (4497), 3606 states have internal predecessors, (4497), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4501 transitions. [2022-03-20 12:06:01,820 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4501 transitions. Word has length 419 [2022-03-20 12:06:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:06:01,820 INFO L478 AbstractCegarLoop]: Abstraction has 3611 states and 4501 transitions. [2022-03-20 12:06:01,821 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4501 transitions. [2022-03-20 12:06:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-03-20 12:06:01,826 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:06:01,826 INFO L499 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:06:01,826 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 12:06:01,826 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:06:01,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:06:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 754491721, now seen corresponding path program 1 times [2022-03-20 12:06:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:06:01,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166682510] [2022-03-20 12:06:01,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:06:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:06:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:06:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1648 proven. 14 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2022-03-20 12:06:01,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:06:01,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166682510] [2022-03-20 12:06:01,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166682510] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:06:01,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639811344] [2022-03-20 12:06:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:06:01,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:06:01,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:06:01,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:06:01,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 12:06:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:02,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:06:02,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:06:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1075 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked. [2022-03-20 12:06:02,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:06:02,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639811344] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:06:02,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:06:02,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:06:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624051363] [2022-03-20 12:06:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:06:02,716 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:06:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:06:02,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:06:02,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:06:02,717 INFO L87 Difference]: Start difference. First operand 3611 states and 4501 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:06:02,752 INFO L93 Difference]: Finished difference Result 4026 states and 4981 transitions. [2022-03-20 12:06:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:06:02,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 517 [2022-03-20 12:06:02,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:06:02,759 INFO L225 Difference]: With dead ends: 4026 [2022-03-20 12:06:02,759 INFO L226 Difference]: Without dead ends: 3949 [2022-03-20 12:06:02,760 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:06:02,760 INFO L913 BasicCegarLoop]: 306 mSDtfsCounter, 56 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 462 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 [2022-03-20 12:06:02,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 462 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 12:06:02,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2022-03-20 12:06:02,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3536. [2022-03-20 12:06:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 3531 states have (on average 1.2472387425658453) internal successors, (4404), 3531 states have internal predecessors, (4404), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4408 transitions. [2022-03-20 12:06:02,811 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4408 transitions. Word has length 517 [2022-03-20 12:06:02,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:06:02,812 INFO L478 AbstractCegarLoop]: Abstraction has 3536 states and 4408 transitions. [2022-03-20 12:06:02,812 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4408 transitions. [2022-03-20 12:06:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-03-20 12:06:02,818 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:06:02,818 INFO L499 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:06:02,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-20 12:06:03,035 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-03-20 12:06:03,035 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:06:03,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:06:03,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2396054, now seen corresponding path program 1 times [2022-03-20 12:06:03,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:06:03,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447323584] [2022-03-20 12:06:03,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:06:03,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:06:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:06:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-20 12:06:03,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:06:03,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447323584] [2022-03-20 12:06:03,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447323584] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:06:03,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362114497] [2022-03-20 12:06:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:06:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:06:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:06:03,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:06:03,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 12:06:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:06:03,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:06:03,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:06:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-20 12:06:03,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:06:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-20 12:06:04,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362114497] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:06:04,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:06:04,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 12:06:04,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220243032] [2022-03-20 12:06:04,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:06:04,628 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 12:06:04,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:06:04,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 12:06:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 12:06:04,629 INFO L87 Difference]: Start difference. First operand 3536 states and 4408 transitions. Second operand has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:06:05,120 INFO L93 Difference]: Finished difference Result 4388 states and 5463 transitions. [2022-03-20 12:06:05,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 12:06:05,123 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 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 629 [2022-03-20 12:06:05,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:06:05,124 INFO L225 Difference]: With dead ends: 4388 [2022-03-20 12:06:05,124 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 12:06:05,129 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1259 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:06:05,129 INFO L913 BasicCegarLoop]: 156 mSDtfsCounter, 327 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:06:05,130 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 183 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-20 12:06:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 12:06:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 12:06:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 12:06:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 12:06:05,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2022-03-20 12:06:05,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:06:05,130 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 12:06:05,131 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:06:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 12:06:05,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 12:06:05,133 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 12:06:05,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 12:06:05,351 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-20 12:06:05,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 12:06:10,078 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 12:06:10,079 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 563) the Hoare annotation is: true [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-03-20 12:06:10,079 INFO L882 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L885 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 563) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L878 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 563) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-03-20 12:06:10,080 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0) (not (<= 4400 ssl3_connect_~s__state~0))) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L262(lines 262 268) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L265-2(lines 213 496) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L265(lines 265 267) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L878 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (not (<= 4400 ssl3_connect_~s__state~0)))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 1) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1))) [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L878 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse4 (= ssl3_connect_~s__hit~0 0))) (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse3 (not .cse4)) (.cse11 (= ssl3_connect_~s__state~0 4464)) (.cse10 (= 4496 ssl3_connect_~s__state~0)) (.cse15 (<= 4352 ssl3_connect_~s__state~0)) (.cse16 (<= ssl3_connect_~s__state~0 4352)) (.cse13 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse12 (= 4400 ssl3_connect_~s__state~0)) (.cse9 (= 4512 ssl3_connect_~s__state~0)) (.cse7 (= 3 ssl3_connect_~s__state~0)) (.cse8 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse5 (= ssl3_connect_~s__state~0 4448)) (.cse14 (= ssl3_connect_~s__state~0 4480)) (.cse6 (<= ssl3_connect_~blastFlag~0 4)) (.cse17 (= ssl3_connect_~s__state~0 4528)) (.cse2 (= 2 ssl3_connect_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse9) (and .cse8 .cse4 .cse10) (and .cse8 .cse4 .cse11) (and .cse8 .cse12 .cse4 .cse6) (and .cse2 .cse9) (and .cse0 .cse8 .cse1 .cse4 .cse13) (and .cse8 .cse4 .cse14) (and .cse15 .cse16 .cse2 .cse3 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse4 .cse11 .cse6) (and (= 4432 ssl3_connect_~s__state~0) .cse4 .cse6) (= ssl3_connect_~blastFlag~0 0) (and .cse4 .cse10 .cse6) (and .cse15 .cse16 .cse8 .cse4 .cse13) (and .cse12 .cse2 .cse4) (and .cse4 .cse9 .cse6) (and .cse8 .cse7) (and .cse17 .cse8 .cse4) (and (= ssl3_connect_~s__state~0 4416) .cse4 .cse6) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse4 .cse5) (and .cse4 .cse14 .cse6) (and .cse17 .cse4 .cse6) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse17 .cse2)))) [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L274(lines 274 276) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 283) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-03-20 12:06:10,081 INFO L882 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 213 496) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L878 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 308) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L287-2(lines 287 291) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L298-2(lines 298 308) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L302(lines 302 304) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L302-2(lines 300 308) no Hoare annotation was computed. [2022-03-20 12:06:10,082 INFO L882 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L878 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L878 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-03-20 12:06:10,083 INFO L882 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L878 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L878 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L878 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-03-20 12:06:10,084 INFO L878 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L878 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (< ssl3_connect_~s__state~0 12292) .cse0 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L878 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2) (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-03-20 12:06:10,085 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-03-20 12:06:10,085 INFO L885 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-03-20 12:06:10,085 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 564 574) the Hoare annotation is: true [2022-03-20 12:06:10,086 INFO L878 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (<= 12292 main_~s~0) [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2022-03-20 12:06:10,086 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 564 574) no Hoare annotation was computed. [2022-03-20 12:06:10,089 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 564 574) no Hoare annotation was computed. [2022-03-20 12:06:10,091 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:06:10,092 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 12:06:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:06:10 BasicIcfg [2022-03-20 12:06:10,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 12:06:10,116 INFO L158 Benchmark]: Toolchain (without parser) took 22069.46ms. Allocated memory was 186.6MB in the beginning and 539.0MB in the end (delta: 352.3MB). Free memory was 129.7MB in the beginning and 482.4MB in the end (delta: -352.7MB). Peak memory consumption was 317.3MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,116 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 12:06:10,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.33ms. Allocated memory was 186.6MB in the beginning and 257.9MB in the end (delta: 71.3MB). Free memory was 129.5MB in the beginning and 224.2MB in the end (delta: -94.7MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,116 INFO L158 Benchmark]: Boogie Preprocessor took 43.84ms. Allocated memory is still 257.9MB. Free memory was 224.2MB in the beginning and 222.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,117 INFO L158 Benchmark]: RCFGBuilder took 580.91ms. Allocated memory is still 257.9MB. Free memory was 222.1MB in the beginning and 196.4MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,117 INFO L158 Benchmark]: IcfgTransformer took 41.36ms. Allocated memory is still 257.9MB. Free memory was 195.9MB in the beginning and 193.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,117 INFO L158 Benchmark]: TraceAbstraction took 21025.48ms. Allocated memory was 257.9MB in the beginning and 539.0MB in the end (delta: 281.0MB). Free memory was 192.7MB in the beginning and 482.4MB in the end (delta: -289.7MB). Peak memory consumption was 310.7MB. Max. memory is 8.0GB. [2022-03-20 12:06:10,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 366.33ms. Allocated memory was 186.6MB in the beginning and 257.9MB in the end (delta: 71.3MB). Free memory was 129.5MB in the beginning and 224.2MB in the end (delta: -94.7MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.84ms. Allocated memory is still 257.9MB. Free memory was 224.2MB in the beginning and 222.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 580.91ms. Allocated memory is still 257.9MB. Free memory was 222.1MB in the beginning and 196.4MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 41.36ms. Allocated memory is still 257.9MB. Free memory was 195.9MB in the beginning and 193.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 21025.48ms. Allocated memory was 257.9MB in the beginning and 539.0MB in the end (delta: 281.0MB). Free memory was 192.7MB in the beginning and 482.4MB in the end (delta: -289.7MB). Peak memory consumption was 310.7MB. 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: 560]: 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, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 27, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7166 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7164 mSDsluCounter, 6333 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 607 mSDsCounter, 648 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6739 IncrementalHoareTripleChecker+Invalid, 7387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 648 mSolverCounterUnsat, 5726 mSDtfsCounter, 6739 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3823 GetRequests, 3718 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8499occurred in iteration=24, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 27 MinimizatonAttempts, 6159 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 264 NumberOfFragments, 815 HoareAnnotationTreeSize, 26 FomulaSimplifications, 8427 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 18320 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 8826 NumberOfCodeBlocks, 8826 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10167 ConstructedInterpolants, 0 QuantifiedInterpolants, 14378 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 45091/45202 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: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((s__hit == 0 && s__state == 4448) && blastFlag <= 4)) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4512 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4496 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4464)) || (((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && blastFlag <= 4)) || (2 == blastFlag && 4512 == s__state)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4480)) || ((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__state == 4464) && blastFlag <= 4)) || ((4432 == s__state && s__hit == 0) && blastFlag <= 4)) || blastFlag == 0) || ((s__hit == 0 && 4496 == s__state) && blastFlag <= 4)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && 4512 == s__state) && blastFlag <= 4)) || (s__s3__tmp__next_state___0 <= 4560 && 3 == s__state)) || ((s__state == 4528 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0)) || ((s__state == 4416 && s__hit == 0) && blastFlag <= 4)) || !(12292 <= \old(initial_state))) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4448)) || ((s__hit == 0 && s__state == 4480) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && blastFlag <= 4)) || (blastFlag == 1 && s__state == 4384)) || (s__state == 4528 && 2 == blastFlag) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((4368 < s__state && s__state <= 4560) && blastFlag == 0) || !(12292 <= \old(initial_state))) || (((4368 < s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0) || ((4352 <= s__state && s__state <= 4352) && blastFlag == 0)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((4368 < s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) || ((4368 < s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || ((((4368 < s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((4368 < s__state && blastFlag == 1) && !(4400 <= s__state)) || !(12292 <= \old(initial_state))) || ((4368 < s__state && blastFlag == 0) && !(4400 <= s__state)) RESULT: Ultimate proved your program to be correct! [2022-03-20 12:06:10,159 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...