/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 12:07:34,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 12:07:34,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 12:07:34,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 12:07:34,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 12:07:34,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 12:07:34,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 12:07:34,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 12:07:34,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 12:07:34,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 12:07:34,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 12:07:34,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 12:07:34,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 12:07:34,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 12:07:34,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 12:07:34,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 12:07:34,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 12:07:34,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 12:07:34,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 12:07:34,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 12:07:34,821 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 12:07:34,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 12:07:34,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 12:07:34,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 12:07:34,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 12:07:34,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 12:07:34,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 12:07:34,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 12:07:34,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 12:07:34,845 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 12:07:34,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 12:07:34,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 12:07:34,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 12:07:34,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 12:07:34,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 12:07:34,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 12:07:34,867 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 12:07:34,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 12:07:34,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 12:07:34,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 12:07:34,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 12:07:34,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 12:07:34,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:07:34,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 12:07:34,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 12:07:34,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 12:07:34,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 12:07:34,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 12:07:34,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 12:07:34,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 12:07:34,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 12:07:34,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 12:07:34,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 12:07:35,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 12:07:35,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 12:07:35,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 12:07:35,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 12:07:35,132 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 12:07:35,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-03-20 12:07:35,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bdabe51/e0f11e0a0d0f4dafb054c89fcc8c54e2/FLAG1b745ae17 [2022-03-20 12:07:35,504 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 12:07:35,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-03-20 12:07:35,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bdabe51/e0f11e0a0d0f4dafb054c89fcc8c54e2/FLAG1b745ae17 [2022-03-20 12:07:35,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bdabe51/e0f11e0a0d0f4dafb054c89fcc8c54e2 [2022-03-20 12:07:35,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 12:07:35,906 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 12:07:35,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 12:07:35,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 12:07:35,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 12:07:35,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:07:35" (1/1) ... [2022-03-20 12:07:35,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3d84b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:35, skipping insertion in model container [2022-03-20 12:07:35,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:07:35" (1/1) ... [2022-03-20 12:07:35,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 12:07:35,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 12:07:36,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-03-20 12:07:36,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:07:36,140 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 12:07:36,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-03-20 12:07:36,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:07:36,187 INFO L208 MainTranslator]: Completed translation [2022-03-20 12:07:36,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36 WrapperNode [2022-03-20 12:07:36,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 12:07:36,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 12:07:36,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 12:07:36,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 12:07:36,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 12:07:36,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 12:07:36,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 12:07:36,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 12:07:36,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:07:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:36,259 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 12:07:36,263 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 12:07:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 12:07:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 12:07:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 12:07:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 12:07:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 12:07:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 12:07:36,348 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 12:07:36,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 12:07:36,448 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 12:07:36,726 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-03-20 12:07:36,726 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-03-20 12:07:36,743 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 12:07:36,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 12:07:36,751 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 12:07:36,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:07:36 BoogieIcfgContainer [2022-03-20 12:07:36,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 12:07:36,754 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 12:07:36,754 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 12:07:36,755 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 12:07:36,757 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:07:36" (1/1) ... [2022-03-20 12:07:36,758 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 12:07:36,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:07:36 BasicIcfg [2022-03-20 12:07:36,802 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 12:07:36,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 12:07:36,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 12:07:36,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 12:07:36,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 12:07:35" (1/4) ... [2022-03-20 12:07:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae6915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:07:36, skipping insertion in model container [2022-03-20 12:07:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:07:36" (2/4) ... [2022-03-20 12:07:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae6915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:07:36, skipping insertion in model container [2022-03-20 12:07:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:07:36" (3/4) ... [2022-03-20 12:07:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae6915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:07:36, skipping insertion in model container [2022-03-20 12:07:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:07:36" (4/4) ... [2022-03-20 12:07:36,811 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.cqvasr [2022-03-20 12:07:36,816 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 12:07:36,816 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 12:07:36,861 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 12:07:36,866 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 12:07:36,867 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 12:07:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 12:07:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-20 12:07:36,902 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:36,903 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:36,903 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1568419337, now seen corresponding path program 1 times [2022-03-20 12:07:36,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:36,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982593603] [2022-03-20 12:07:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:36,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:37,185 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 12:07:37,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:37,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982593603] [2022-03-20 12:07:37,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982593603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:37,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:37,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:37,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775440667] [2022-03-20 12:07:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:37,191 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:37,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:37,211 INFO L87 Difference]: Start difference. First operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:37,544 INFO L93 Difference]: Finished difference Result 414 states and 701 transitions. [2022-03-20 12:07:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:37,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-03-20 12:07:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:37,559 INFO L225 Difference]: With dead ends: 414 [2022-03-20 12:07:37,559 INFO L226 Difference]: Without dead ends: 251 [2022-03-20 12:07:37,563 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 12:07:37,567 INFO L913 BasicCegarLoop]: 240 mSDtfsCounter, 634 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:37,568 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 249 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-03-20 12:07:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-03-20 12:07:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 246 states have (on average 1.524390243902439) internal successors, (375), 246 states have internal predecessors, (375), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2022-03-20 12:07:37,620 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 50 [2022-03-20 12:07:37,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:37,620 INFO L478 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2022-03-20 12:07:37,621 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2022-03-20 12:07:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 12:07:37,623 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:37,623 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:37,623 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 12:07:37,623 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:37,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:37,624 INFO L85 PathProgramCache]: Analyzing trace with hash -869102825, now seen corresponding path program 1 times [2022-03-20 12:07:37,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:37,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465340455] [2022-03-20 12:07:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:37,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:07:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465340455] [2022-03-20 12:07:37,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465340455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:37,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:37,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033583534] [2022-03-20 12:07:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:37,717 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:37,718 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:37,925 INFO L93 Difference]: Finished difference Result 402 states and 615 transitions. [2022-03-20 12:07:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:37,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-03-20 12:07:37,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:37,928 INFO L225 Difference]: With dead ends: 402 [2022-03-20 12:07:37,929 INFO L226 Difference]: Without dead ends: 282 [2022-03-20 12:07:37,935 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 12:07:37,938 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 219 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:37,939 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:37,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-03-20 12:07:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 272. [2022-03-20 12:07:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 267 states have internal predecessors, (401), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2022-03-20 12:07:37,956 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 66 [2022-03-20 12:07:37,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:37,956 INFO L478 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2022-03-20 12:07:37,957 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2022-03-20 12:07:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-20 12:07:37,959 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:37,959 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:37,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 12:07:37,960 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:37,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1440847697, now seen corresponding path program 1 times [2022-03-20 12:07:37,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:37,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48236264] [2022-03-20 12:07:37,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 12:07:38,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:38,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48236264] [2022-03-20 12:07:38,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48236264] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:38,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:38,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:38,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608798450] [2022-03-20 12:07:38,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:38,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:38,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:38,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:38,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:38,049 INFO L87 Difference]: Start difference. First operand 272 states and 405 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:38,269 INFO L93 Difference]: Finished difference Result 622 states and 957 transitions. [2022-03-20 12:07:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:38,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-03-20 12:07:38,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:38,272 INFO L225 Difference]: With dead ends: 622 [2022-03-20 12:07:38,272 INFO L226 Difference]: Without dead ends: 364 [2022-03-20 12:07:38,272 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 12:07:38,273 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 216 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:38,273 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 221 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-03-20 12:07:38,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2022-03-20 12:07:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 351 states have internal predecessors, (495), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 499 transitions. [2022-03-20 12:07:38,288 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 499 transitions. Word has length 87 [2022-03-20 12:07:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:38,288 INFO L478 AbstractCegarLoop]: Abstraction has 356 states and 499 transitions. [2022-03-20 12:07:38,288 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 499 transitions. [2022-03-20 12:07:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-20 12:07:38,291 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:38,291 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:38,291 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 12:07:38,292 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:38,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1316774450, now seen corresponding path program 1 times [2022-03-20 12:07:38,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:38,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568527695] [2022-03-20 12:07:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 12:07:38,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:38,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568527695] [2022-03-20 12:07:38,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568527695] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:38,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:38,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:38,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210717015] [2022-03-20 12:07:38,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:38,343 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:38,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:38,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:38,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:38,344 INFO L87 Difference]: Start difference. First operand 356 states and 499 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:38,555 INFO L93 Difference]: Finished difference Result 752 states and 1074 transitions. [2022-03-20 12:07:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:38,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-03-20 12:07:38,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:38,559 INFO L225 Difference]: With dead ends: 752 [2022-03-20 12:07:38,559 INFO L226 Difference]: Without dead ends: 410 [2022-03-20 12:07:38,560 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 12:07:38,568 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 214 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:38,570 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 221 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-03-20 12:07:38,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-03-20 12:07:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 397 states have (on average 1.3879093198992443) internal successors, (551), 397 states have internal predecessors, (551), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 555 transitions. [2022-03-20 12:07:38,593 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 555 transitions. Word has length 87 [2022-03-20 12:07:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:38,593 INFO L478 AbstractCegarLoop]: Abstraction has 402 states and 555 transitions. [2022-03-20 12:07:38,593 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 555 transitions. [2022-03-20 12:07:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-03-20 12:07:38,596 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:38,596 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:38,596 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 12:07:38,596 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:38,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:38,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1105577273, now seen corresponding path program 1 times [2022-03-20 12:07:38,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:38,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395657892] [2022-03-20 12:07:38,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:38,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-20 12:07:38,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:38,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395657892] [2022-03-20 12:07:38,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395657892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:38,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:38,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:38,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924181155] [2022-03-20 12:07:38,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:38,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:38,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:38,714 INFO L87 Difference]: Start difference. First operand 402 states and 555 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:38,918 INFO L93 Difference]: Finished difference Result 866 states and 1226 transitions. [2022-03-20 12:07:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2022-03-20 12:07:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:38,921 INFO L225 Difference]: With dead ends: 866 [2022-03-20 12:07:38,921 INFO L226 Difference]: Without dead ends: 478 [2022-03-20 12:07:38,922 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 12:07:38,922 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 246 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:38,923 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 220 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-03-20 12:07:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 452. [2022-03-20 12:07:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 447 states have (on average 1.366890380313199) internal successors, (611), 447 states have internal predecessors, (611), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2022-03-20 12:07:38,940 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 108 [2022-03-20 12:07:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:38,941 INFO L478 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2022-03-20 12:07:38,941 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2022-03-20 12:07:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-20 12:07:38,943 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:38,944 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:38,944 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 12:07:38,944 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:38,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash -230018145, now seen corresponding path program 1 times [2022-03-20 12:07:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:38,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48499594] [2022-03-20 12:07:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-20 12:07:39,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:39,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48499594] [2022-03-20 12:07:39,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48499594] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:39,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:39,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:39,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746909036] [2022-03-20 12:07:39,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:39,018 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:39,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:39,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:39,019 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:39,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:39,199 INFO L93 Difference]: Finished difference Result 885 states and 1211 transitions. [2022-03-20 12:07:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:39,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-03-20 12:07:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:39,202 INFO L225 Difference]: With dead ends: 885 [2022-03-20 12:07:39,203 INFO L226 Difference]: Without dead ends: 654 [2022-03-20 12:07:39,204 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 12:07:39,204 INFO L913 BasicCegarLoop]: 370 mSDtfsCounter, 330 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:39,204 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 377 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-03-20 12:07:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2022-03-20 12:07:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 649 states have (on average 1.3667180277349769) internal successors, (887), 649 states have internal predecessors, (887), 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 12:07:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 891 transitions. [2022-03-20 12:07:39,222 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 891 transitions. Word has length 127 [2022-03-20 12:07:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:39,222 INFO L478 AbstractCegarLoop]: Abstraction has 654 states and 891 transitions. [2022-03-20 12:07:39,223 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 891 transitions. [2022-03-20 12:07:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-20 12:07:39,225 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:39,225 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:39,225 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 12:07:39,225 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:39,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash -678714784, now seen corresponding path program 1 times [2022-03-20 12:07:39,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:39,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822981952] [2022-03-20 12:07:39,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:39,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 12:07:39,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:39,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822981952] [2022-03-20 12:07:39,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822981952] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:39,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:39,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:39,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331163146] [2022-03-20 12:07:39,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:39,271 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:39,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:39,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:39,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:39,271 INFO L87 Difference]: Start difference. First operand 654 states and 891 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 12:07:39,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:39,456 INFO L93 Difference]: Finished difference Result 1314 states and 1794 transitions. [2022-03-20 12:07:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:39,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-03-20 12:07:39,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:39,460 INFO L225 Difference]: With dead ends: 1314 [2022-03-20 12:07:39,460 INFO L226 Difference]: Without dead ends: 881 [2022-03-20 12:07:39,461 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 12:07:39,462 INFO L913 BasicCegarLoop]: 372 mSDtfsCounter, 331 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:39,462 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 379 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-03-20 12:07:39,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2022-03-20 12:07:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 876 states have (on average 1.3630136986301369) internal successors, (1194), 876 states have internal predecessors, (1194), 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 12:07:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1198 transitions. [2022-03-20 12:07:39,482 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1198 transitions. Word has length 127 [2022-03-20 12:07:39,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:39,482 INFO L478 AbstractCegarLoop]: Abstraction has 881 states and 1198 transitions. [2022-03-20 12:07:39,483 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 12:07:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1198 transitions. [2022-03-20 12:07:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-20 12:07:39,484 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:39,485 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:39,485 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 12:07:39,485 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:39,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:39,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1098194238, now seen corresponding path program 1 times [2022-03-20 12:07:39,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:39,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496805400] [2022-03-20 12:07:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:39,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-20 12:07:39,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:39,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496805400] [2022-03-20 12:07:39,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496805400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:39,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:39,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:39,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122307906] [2022-03-20 12:07:39,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:39,534 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:39,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:39,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:39,535 INFO L87 Difference]: Start difference. First operand 881 states and 1198 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:39,712 INFO L93 Difference]: Finished difference Result 1565 states and 2126 transitions. [2022-03-20 12:07:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2022-03-20 12:07:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:39,715 INFO L225 Difference]: With dead ends: 1565 [2022-03-20 12:07:39,716 INFO L226 Difference]: Without dead ends: 905 [2022-03-20 12:07:39,717 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 12:07:39,718 INFO L913 BasicCegarLoop]: 228 mSDtfsCounter, 207 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:39,718 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 235 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-03-20 12:07:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2022-03-20 12:07:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.3588888888888888) internal successors, (1223), 900 states have internal predecessors, (1223), 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 12:07:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1227 transitions. [2022-03-20 12:07:39,737 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1227 transitions. Word has length 128 [2022-03-20 12:07:39,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:39,737 INFO L478 AbstractCegarLoop]: Abstraction has 905 states and 1227 transitions. [2022-03-20 12:07:39,737 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1227 transitions. [2022-03-20 12:07:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-20 12:07:39,739 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:39,739 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 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, 1, 1, 1, 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 12:07:39,739 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 12:07:39,739 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:39,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:39,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1549076422, now seen corresponding path program 1 times [2022-03-20 12:07:39,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:39,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507496960] [2022-03-20 12:07:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-03-20 12:07:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:39,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507496960] [2022-03-20 12:07:39,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507496960] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:39,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:39,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:39,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559115284] [2022-03-20 12:07:39,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:39,802 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:39,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:39,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:39,802 INFO L87 Difference]: Start difference. First operand 905 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:40,006 INFO L93 Difference]: Finished difference Result 1965 states and 2731 transitions. [2022-03-20 12:07:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:40,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-03-20 12:07:40,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:40,011 INFO L225 Difference]: With dead ends: 1965 [2022-03-20 12:07:40,011 INFO L226 Difference]: Without dead ends: 1074 [2022-03-20 12:07:40,013 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 12:07:40,015 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 255 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:40,016 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 218 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-03-20 12:07:40,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1028. [2022-03-20 12:07:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1023 states have (on average 1.3391984359726294) internal successors, (1370), 1023 states have internal predecessors, (1370), 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 12:07:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1374 transitions. [2022-03-20 12:07:40,041 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1374 transitions. Word has length 189 [2022-03-20 12:07:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:40,041 INFO L478 AbstractCegarLoop]: Abstraction has 1028 states and 1374 transitions. [2022-03-20 12:07:40,041 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1374 transitions. [2022-03-20 12:07:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-03-20 12:07:40,045 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:40,045 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:40,045 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 12:07:40,048 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:40,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:40,049 INFO L85 PathProgramCache]: Analyzing trace with hash -124280297, now seen corresponding path program 1 times [2022-03-20 12:07:40,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:40,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269038499] [2022-03-20 12:07:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-20 12:07:40,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:40,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269038499] [2022-03-20 12:07:40,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269038499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:40,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:40,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:40,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140639071] [2022-03-20 12:07:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:40,114 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:40,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:40,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:40,115 INFO L87 Difference]: Start difference. First operand 1028 states and 1374 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 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 12:07:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:40,320 INFO L93 Difference]: Finished difference Result 2268 states and 3120 transitions. [2022-03-20 12:07:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:40,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 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 202 [2022-03-20 12:07:40,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:40,326 INFO L225 Difference]: With dead ends: 2268 [2022-03-20 12:07:40,326 INFO L226 Difference]: Without dead ends: 1250 [2022-03-20 12:07:40,328 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 12:07:40,329 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 332 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:40,330 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 219 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-03-20 12:07:40,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1232. [2022-03-20 12:07:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1227 states have (on average 1.3928280358598206) internal successors, (1709), 1227 states have internal predecessors, (1709), 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 12:07:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1713 transitions. [2022-03-20 12:07:40,365 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1713 transitions. Word has length 202 [2022-03-20 12:07:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:40,366 INFO L478 AbstractCegarLoop]: Abstraction has 1232 states and 1713 transitions. [2022-03-20 12:07:40,366 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 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 12:07:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1713 transitions. [2022-03-20 12:07:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-20 12:07:40,370 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:40,370 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:40,371 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 12:07:40,371 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:40,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash 476689054, now seen corresponding path program 1 times [2022-03-20 12:07:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:40,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406591662] [2022-03-20 12:07:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:40,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-20 12:07:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:40,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406591662] [2022-03-20 12:07:40,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406591662] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:40,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:40,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950407712] [2022-03-20 12:07:40,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:40,452 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:40,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:40,453 INFO L87 Difference]: Start difference. First operand 1232 states and 1713 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 12:07:40,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:40,660 INFO L93 Difference]: Finished difference Result 2622 states and 3716 transitions. [2022-03-20 12:07:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:40,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 231 [2022-03-20 12:07:40,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:40,665 INFO L225 Difference]: With dead ends: 2622 [2022-03-20 12:07:40,665 INFO L226 Difference]: Without dead ends: 1360 [2022-03-20 12:07:40,667 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 12:07:40,667 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 254 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:40,667 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 219 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-03-20 12:07:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1356. [2022-03-20 12:07:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1351 states have (on average 1.377498149518875) internal successors, (1861), 1351 states have internal predecessors, (1861), 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 12:07:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1865 transitions. [2022-03-20 12:07:40,695 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1865 transitions. Word has length 231 [2022-03-20 12:07:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:40,696 INFO L478 AbstractCegarLoop]: Abstraction has 1356 states and 1865 transitions. [2022-03-20 12:07:40,696 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 12:07:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1865 transitions. [2022-03-20 12:07:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-03-20 12:07:40,699 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:40,699 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:40,699 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 12:07:40,699 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:40,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:40,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1961785307, now seen corresponding path program 1 times [2022-03-20 12:07:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:40,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822028392] [2022-03-20 12:07:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:40,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-03-20 12:07:40,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:40,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822028392] [2022-03-20 12:07:40,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822028392] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:40,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:40,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:40,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577922035] [2022-03-20 12:07:40,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:40,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:40,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:40,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:40,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:40,747 INFO L87 Difference]: Start difference. First operand 1356 states and 1865 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 12:07:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:40,912 INFO L93 Difference]: Finished difference Result 2826 states and 3868 transitions. [2022-03-20 12:07:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:40,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 246 [2022-03-20 12:07:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:40,917 INFO L225 Difference]: With dead ends: 2826 [2022-03-20 12:07:40,917 INFO L226 Difference]: Without dead ends: 1484 [2022-03-20 12:07:40,920 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 12:07:40,920 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 335 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:40,920 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 207 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:07:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-03-20 12:07:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1412. [2022-03-20 12:07:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1407 states have (on average 1.371002132196162) internal successors, (1929), 1407 states have internal predecessors, (1929), 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 12:07:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1933 transitions. [2022-03-20 12:07:40,959 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1933 transitions. Word has length 246 [2022-03-20 12:07:40,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:40,959 INFO L478 AbstractCegarLoop]: Abstraction has 1412 states and 1933 transitions. [2022-03-20 12:07:40,960 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 12:07:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1933 transitions. [2022-03-20 12:07:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-03-20 12:07:40,963 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:40,963 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:40,964 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 12:07:40,964 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:40,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash -837403918, now seen corresponding path program 1 times [2022-03-20 12:07:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:40,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237942152] [2022-03-20 12:07:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-20 12:07:41,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:41,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237942152] [2022-03-20 12:07:41,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237942152] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:41,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379298489] [2022-03-20 12:07:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:41,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:41,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:41,016 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 12:07:41,041 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 12:07:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:41,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:41,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-20 12:07:41,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:07:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-20 12:07:41,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379298489] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:07:41,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:07:41,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:07:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157023782] [2022-03-20 12:07:41,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:07:41,805 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:07:41,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:41,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:07:41,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:07:41,806 INFO L87 Difference]: Start difference. First operand 1412 states and 1933 transitions. Second operand has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:42,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:42,933 INFO L93 Difference]: Finished difference Result 6676 states and 9531 transitions. [2022-03-20 12:07:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-20 12:07:42,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 259 [2022-03-20 12:07:42,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:42,948 INFO L225 Difference]: With dead ends: 6676 [2022-03-20 12:07:42,949 INFO L226 Difference]: Without dead ends: 5278 [2022-03-20 12:07:42,952 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-20 12:07:42,953 INFO L913 BasicCegarLoop]: 563 mSDtfsCounter, 725 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:42,953 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 580 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-20 12:07:42,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5278 states. [2022-03-20 12:07:43,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5278 to 4264. [2022-03-20 12:07:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4264 states, 4259 states have (on average 1.3578304766377083) internal successors, (5783), 4259 states have internal predecessors, (5783), 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 12:07:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 5787 transitions. [2022-03-20 12:07:43,049 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 5787 transitions. Word has length 259 [2022-03-20 12:07:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:43,049 INFO L478 AbstractCegarLoop]: Abstraction has 4264 states and 5787 transitions. [2022-03-20 12:07:43,049 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 5787 transitions. [2022-03-20 12:07:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-03-20 12:07:43,056 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:43,057 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:43,079 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 12:07:43,271 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,SelfDestructingSolverStorable12 [2022-03-20 12:07:43,272 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:43,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:43,272 INFO L85 PathProgramCache]: Analyzing trace with hash -692994223, now seen corresponding path program 1 times [2022-03-20 12:07:43,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:43,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001942807] [2022-03-20 12:07:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-03-20 12:07:43,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:43,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001942807] [2022-03-20 12:07:43,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001942807] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:43,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:43,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:43,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732929674] [2022-03-20 12:07:43,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:43,315 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:43,315 INFO L87 Difference]: Start difference. First operand 4264 states and 5787 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:43,559 INFO L93 Difference]: Finished difference Result 11197 states and 15275 transitions. [2022-03-20 12:07:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:43,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 259 [2022-03-20 12:07:43,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:43,582 INFO L225 Difference]: With dead ends: 11197 [2022-03-20 12:07:43,583 INFO L226 Difference]: Without dead ends: 6947 [2022-03-20 12:07:43,591 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 12:07:43,592 INFO L913 BasicCegarLoop]: 373 mSDtfsCounter, 334 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:43,592 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 380 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6947 states. [2022-03-20 12:07:43,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6947 to 6713. [2022-03-20 12:07:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6713 states, 6708 states have (on average 1.3711985688729875) internal successors, (9198), 6708 states have internal predecessors, (9198), 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 12:07:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 9202 transitions. [2022-03-20 12:07:43,773 INFO L78 Accepts]: Start accepts. Automaton has 6713 states and 9202 transitions. Word has length 259 [2022-03-20 12:07:43,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:43,773 INFO L478 AbstractCegarLoop]: Abstraction has 6713 states and 9202 transitions. [2022-03-20 12:07:43,773 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 6713 states and 9202 transitions. [2022-03-20 12:07:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-03-20 12:07:43,782 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:43,783 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:43,783 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 12:07:43,783 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash 700446315, now seen corresponding path program 1 times [2022-03-20 12:07:43,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:43,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024460775] [2022-03-20 12:07:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 447 proven. 5 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-03-20 12:07:43,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:43,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024460775] [2022-03-20 12:07:43,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024460775] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:43,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620871476] [2022-03-20 12:07:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:43,833 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 12:07:43,834 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 12:07:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:43,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-20 12:07:43,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-03-20 12:07:44,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:07:44,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620871476] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:44,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:07:44,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:07:44,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17009189] [2022-03-20 12:07:44,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:44,188 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:07:44,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:07:44,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:44,189 INFO L87 Difference]: Start difference. First operand 6713 states and 9202 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 12:07:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:44,380 INFO L93 Difference]: Finished difference Result 12996 states and 17922 transitions. [2022-03-20 12:07:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:07:44,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 272 [2022-03-20 12:07:44,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:44,411 INFO L225 Difference]: With dead ends: 12996 [2022-03-20 12:07:44,411 INFO L226 Difference]: Without dead ends: 6113 [2022-03-20 12:07:44,421 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:44,422 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 52 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:44,422 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 310 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:07:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6113 states. [2022-03-20 12:07:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6113 to 5861. [2022-03-20 12:07:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5861 states, 5856 states have (on average 1.342554644808743) internal successors, (7862), 5856 states have internal predecessors, (7862), 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 12:07:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5861 states to 5861 states and 7866 transitions. [2022-03-20 12:07:44,554 INFO L78 Accepts]: Start accepts. Automaton has 5861 states and 7866 transitions. Word has length 272 [2022-03-20 12:07:44,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:44,554 INFO L478 AbstractCegarLoop]: Abstraction has 5861 states and 7866 transitions. [2022-03-20 12:07:44,555 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 12:07:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5861 states and 7866 transitions. [2022-03-20 12:07:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-03-20 12:07:44,563 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:44,563 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:44,582 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 12:07:44,781 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,SelfDestructingSolverStorable14 [2022-03-20 12:07:44,782 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:44,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:44,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1328188968, now seen corresponding path program 1 times [2022-03-20 12:07:44,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:44,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398464789] [2022-03-20 12:07:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-03-20 12:07:44,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:44,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398464789] [2022-03-20 12:07:44,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398464789] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:44,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880118412] [2022-03-20 12:07:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:44,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:44,831 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 12:07:44,855 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 12:07:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:44,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-20 12:07:44,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-03-20 12:07:45,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:07:45,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880118412] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:45,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:07:45,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:07:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289037894] [2022-03-20 12:07:45,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:45,204 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:07:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:45,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:07:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:45,204 INFO L87 Difference]: Start difference. First operand 5861 states and 7866 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 12:07:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:45,376 INFO L93 Difference]: Finished difference Result 12344 states and 16530 transitions. [2022-03-20 12:07:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:07:45,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 288 [2022-03-20 12:07:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:45,387 INFO L225 Difference]: With dead ends: 12344 [2022-03-20 12:07:45,387 INFO L226 Difference]: Without dead ends: 6177 [2022-03-20 12:07:45,397 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 289 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 12:07:45,398 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 104 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:45,398 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 260 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:07:45,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6177 states. [2022-03-20 12:07:45,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6177 to 5981. [2022-03-20 12:07:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5981 states, 5976 states have (on average 1.3423694779116466) internal successors, (8022), 5976 states have internal predecessors, (8022), 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 12:07:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5981 states to 5981 states and 8026 transitions. [2022-03-20 12:07:45,505 INFO L78 Accepts]: Start accepts. Automaton has 5981 states and 8026 transitions. Word has length 288 [2022-03-20 12:07:45,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:45,505 INFO L478 AbstractCegarLoop]: Abstraction has 5981 states and 8026 transitions. [2022-03-20 12:07:45,505 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 12:07:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5981 states and 8026 transitions. [2022-03-20 12:07:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-03-20 12:07:45,514 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:45,514 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:45,532 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 12:07:45,732 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:45,732 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1135566914, now seen corresponding path program 1 times [2022-03-20 12:07:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:45,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308269346] [2022-03-20 12:07:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-03-20 12:07:45,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:45,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308269346] [2022-03-20 12:07:45,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308269346] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:45,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350201722] [2022-03-20 12:07:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:45,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:45,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:45,776 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 12:07:45,777 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 12:07:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:45,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:45,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-03-20 12:07:46,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:07:46,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350201722] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:46,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:07:46,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:07:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397083448] [2022-03-20 12:07:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:46,153 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:07:46,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:07:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:46,154 INFO L87 Difference]: Start difference. First operand 5981 states and 8026 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 12:07:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:46,285 INFO L93 Difference]: Finished difference Result 12128 states and 16274 transitions. [2022-03-20 12:07:46,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:07:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 289 [2022-03-20 12:07:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:46,296 INFO L225 Difference]: With dead ends: 12128 [2022-03-20 12:07:46,296 INFO L226 Difference]: Without dead ends: 6161 [2022-03-20 12:07:46,305 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 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 12:07:46,306 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 4 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:46,306 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 307 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:07:46,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2022-03-20 12:07:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 6041. [2022-03-20 12:07:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6041 states, 6036 states have (on average 1.3416169648774023) internal successors, (8098), 6036 states have internal predecessors, (8098), 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 12:07:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 8102 transitions. [2022-03-20 12:07:46,409 INFO L78 Accepts]: Start accepts. Automaton has 6041 states and 8102 transitions. Word has length 289 [2022-03-20 12:07:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:46,410 INFO L478 AbstractCegarLoop]: Abstraction has 6041 states and 8102 transitions. [2022-03-20 12:07:46,410 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 12:07:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 8102 transitions. [2022-03-20 12:07:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-03-20 12:07:46,418 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:46,418 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:46,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 12:07:46,635 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,SelfDestructingSolverStorable16 [2022-03-20 12:07:46,635 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1521555358, now seen corresponding path program 1 times [2022-03-20 12:07:46,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425209829] [2022-03-20 12:07:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-03-20 12:07:46,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:46,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425209829] [2022-03-20 12:07:46,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425209829] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:46,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296838852] [2022-03-20 12:07:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:46,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:46,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:46,679 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 12:07:46,681 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 12:07:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:46,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:46,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-03-20 12:07:47,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:07:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-03-20 12:07:47,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296838852] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:07:47,458 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:07:47,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:07:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843222354] [2022-03-20 12:07:47,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:07:47,459 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:07:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:07:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:07:47,460 INFO L87 Difference]: Start difference. First operand 6041 states and 8102 transitions. Second operand has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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 12:07:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:47,983 INFO L93 Difference]: Finished difference Result 13385 states and 17929 transitions. [2022-03-20 12:07:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 12:07:47,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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 289 [2022-03-20 12:07:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:47,996 INFO L225 Difference]: With dead ends: 13385 [2022-03-20 12:07:47,996 INFO L226 Difference]: Without dead ends: 7250 [2022-03-20 12:07:48,006 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-20 12:07:48,006 INFO L913 BasicCegarLoop]: 308 mSDtfsCounter, 892 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:48,006 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [892 Valid, 320 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-20 12:07:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2022-03-20 12:07:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 6422. [2022-03-20 12:07:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 6417 states have (on average 1.3175938912264298) internal successors, (8455), 6417 states have internal predecessors, (8455), 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 12:07:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 8459 transitions. [2022-03-20 12:07:48,147 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 8459 transitions. Word has length 289 [2022-03-20 12:07:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:48,147 INFO L478 AbstractCegarLoop]: Abstraction has 6422 states and 8459 transitions. [2022-03-20 12:07:48,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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 12:07:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 8459 transitions. [2022-03-20 12:07:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-03-20 12:07:48,156 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:48,157 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:48,179 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 12:07:48,371 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,SelfDestructingSolverStorable17 [2022-03-20 12:07:48,372 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:48,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:48,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1079343622, now seen corresponding path program 1 times [2022-03-20 12:07:48,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:48,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732167433] [2022-03-20 12:07:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-03-20 12:07:48,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:48,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732167433] [2022-03-20 12:07:48,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732167433] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:48,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:48,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:48,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458063533] [2022-03-20 12:07:48,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:48,416 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:48,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:48,417 INFO L87 Difference]: Start difference. First operand 6422 states and 8459 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 12:07:48,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:48,634 INFO L93 Difference]: Finished difference Result 10658 states and 13859 transitions. [2022-03-20 12:07:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:48,634 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 327 [2022-03-20 12:07:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:48,639 INFO L225 Difference]: With dead ends: 10658 [2022-03-20 12:07:48,640 INFO L226 Difference]: Without dead ends: 3120 [2022-03-20 12:07:48,648 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 12:07:48,649 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 225 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:48,649 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:48,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2022-03-20 12:07:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 2850. [2022-03-20 12:07:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2845 states have (on average 1.3145869947275923) internal successors, (3740), 2845 states have internal predecessors, (3740), 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 12:07:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3744 transitions. [2022-03-20 12:07:48,700 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3744 transitions. Word has length 327 [2022-03-20 12:07:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:48,701 INFO L478 AbstractCegarLoop]: Abstraction has 2850 states and 3744 transitions. [2022-03-20 12:07:48,701 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 12:07:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3744 transitions. [2022-03-20 12:07:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-03-20 12:07:48,706 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:48,706 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:48,706 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 12:07:48,706 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:48,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:48,706 INFO L85 PathProgramCache]: Analyzing trace with hash -596910312, now seen corresponding path program 1 times [2022-03-20 12:07:48,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:48,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878604794] [2022-03-20 12:07:48,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:48,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 454 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-03-20 12:07:48,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:48,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878604794] [2022-03-20 12:07:48,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878604794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:48,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:48,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:48,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236321955] [2022-03-20 12:07:48,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:48,757 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:48,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:48,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:48,757 INFO L87 Difference]: Start difference. First operand 2850 states and 3744 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:48,944 INFO L93 Difference]: Finished difference Result 8452 states and 11066 transitions. [2022-03-20 12:07:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:48,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 343 [2022-03-20 12:07:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:48,952 INFO L225 Difference]: With dead ends: 8452 [2022-03-20 12:07:48,953 INFO L226 Difference]: Without dead ends: 5616 [2022-03-20 12:07:48,957 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 12:07:48,958 INFO L913 BasicCegarLoop]: 355 mSDtfsCounter, 377 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:48,958 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 362 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:07:48,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2022-03-20 12:07:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 2860. [2022-03-20 12:07:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2855 states have (on average 1.3134851138353765) internal successors, (3750), 2855 states have internal predecessors, (3750), 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 12:07:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3754 transitions. [2022-03-20 12:07:49,017 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3754 transitions. Word has length 343 [2022-03-20 12:07:49,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:49,017 INFO L478 AbstractCegarLoop]: Abstraction has 2860 states and 3754 transitions. [2022-03-20 12:07:49,017 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3754 transitions. [2022-03-20 12:07:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-03-20 12:07:49,022 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:49,022 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:49,022 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 12:07:49,022 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash -106883111, now seen corresponding path program 1 times [2022-03-20 12:07:49,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:49,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027527728] [2022-03-20 12:07:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:49,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-03-20 12:07:49,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:49,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027527728] [2022-03-20 12:07:49,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027527728] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:49,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:49,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569620984] [2022-03-20 12:07:49,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:49,061 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:49,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:49,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:49,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:49,061 INFO L87 Difference]: Start difference. First operand 2860 states and 3754 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 12:07:49,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:49,282 INFO L93 Difference]: Finished difference Result 6044 states and 7988 transitions. [2022-03-20 12:07:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:49,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 343 [2022-03-20 12:07:49,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:49,288 INFO L225 Difference]: With dead ends: 6044 [2022-03-20 12:07:49,288 INFO L226 Difference]: Without dead ends: 3198 [2022-03-20 12:07:49,292 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 12:07:49,293 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:49,293 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 216 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:49,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2022-03-20 12:07:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3130. [2022-03-20 12:07:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 3125 states have (on average 1.3024) internal successors, (4070), 3125 states have internal predecessors, (4070), 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 12:07:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4074 transitions. [2022-03-20 12:07:49,377 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4074 transitions. Word has length 343 [2022-03-20 12:07:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:49,377 INFO L478 AbstractCegarLoop]: Abstraction has 3130 states and 4074 transitions. [2022-03-20 12:07:49,378 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 12:07:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4074 transitions. [2022-03-20 12:07:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-03-20 12:07:49,383 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:49,384 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:49,384 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 12:07:49,384 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:49,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash 548161294, now seen corresponding path program 1 times [2022-03-20 12:07:49,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:49,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490894873] [2022-03-20 12:07:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:49,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-03-20 12:07:49,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:49,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490894873] [2022-03-20 12:07:49,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490894873] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:49,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:49,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:49,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989538614] [2022-03-20 12:07:49,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:49,439 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:49,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:49,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:49,440 INFO L87 Difference]: Start difference. First operand 3130 states and 4074 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:49,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:49,641 INFO L93 Difference]: Finished difference Result 6350 states and 8281 transitions. [2022-03-20 12:07:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:49,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 366 [2022-03-20 12:07:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:49,648 INFO L225 Difference]: With dead ends: 6350 [2022-03-20 12:07:49,648 INFO L226 Difference]: Without dead ends: 3234 [2022-03-20 12:07:49,652 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 12:07:49,653 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 204 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:49,653 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 216 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:49,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2022-03-20 12:07:49,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 2327. [2022-03-20 12:07:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2322 states have (on average 1.2945736434108528) internal successors, (3006), 2322 states have internal predecessors, (3006), 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 12:07:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3010 transitions. [2022-03-20 12:07:49,695 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3010 transitions. Word has length 366 [2022-03-20 12:07:49,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:49,696 INFO L478 AbstractCegarLoop]: Abstraction has 2327 states and 3010 transitions. [2022-03-20 12:07:49,696 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3010 transitions. [2022-03-20 12:07:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-03-20 12:07:49,699 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:49,699 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:07:49,700 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 12:07:49,700 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:49,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:49,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1640275118, now seen corresponding path program 1 times [2022-03-20 12:07:49,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:49,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500076109] [2022-03-20 12:07:49,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:49,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-03-20 12:07:49,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500076109] [2022-03-20 12:07:49,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500076109] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010544042] [2022-03-20 12:07:49,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:49,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:49,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:07:49,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-20 12:07:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:49,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:49,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2022-03-20 12:07:50,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:07:50,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010544042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:50,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:07:50,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:07:50,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118438532] [2022-03-20 12:07:50,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:50,368 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:07:50,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:50,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:07:50,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:50,368 INFO L87 Difference]: Start difference. First operand 2327 states and 3010 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:50,415 INFO L93 Difference]: Finished difference Result 2800 states and 3621 transitions. [2022-03-20 12:07:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:07:50,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 399 [2022-03-20 12:07:50,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:50,420 INFO L225 Difference]: With dead ends: 2800 [2022-03-20 12:07:50,420 INFO L226 Difference]: Without dead ends: 2708 [2022-03-20 12:07:50,420 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:07:50,421 INFO L913 BasicCegarLoop]: 356 mSDtfsCounter, 89 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:50,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 541 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 12:07:50,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2022-03-20 12:07:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2237. [2022-03-20 12:07:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2237 states, 2232 states have (on average 1.3015232974910393) internal successors, (2905), 2232 states have internal predecessors, (2905), 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 12:07:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 2237 states and 2909 transitions. [2022-03-20 12:07:50,460 INFO L78 Accepts]: Start accepts. Automaton has 2237 states and 2909 transitions. Word has length 399 [2022-03-20 12:07:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:50,460 INFO L478 AbstractCegarLoop]: Abstraction has 2237 states and 2909 transitions. [2022-03-20 12:07:50,460 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:07:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2909 transitions. [2022-03-20 12:07:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-03-20 12:07:50,464 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:50,465 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:50,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-20 12:07:50,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:50,679 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash -496679725, now seen corresponding path program 1 times [2022-03-20 12:07:50,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:50,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820970452] [2022-03-20 12:07:50,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:50,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:50,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-03-20 12:07:50,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:50,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820970452] [2022-03-20 12:07:50,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820970452] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:50,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350970819] [2022-03-20 12:07:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:50,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:50,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:07:50,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-20 12:07:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:50,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:50,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-03-20 12:07:51,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:07:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-03-20 12:07:52,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350970819] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:07:52,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:07:52,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:07:52,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089197239] [2022-03-20 12:07:52,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:07:52,015 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:07:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:52,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:07:52,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:07:52,015 INFO L87 Difference]: Start difference. First operand 2237 states and 2909 transitions. Second operand has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 12:07:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:52,543 INFO L93 Difference]: Finished difference Result 4946 states and 6403 transitions. [2022-03-20 12:07:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 12:07:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 539 [2022-03-20 12:07:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:52,548 INFO L225 Difference]: With dead ends: 4946 [2022-03-20 12:07:52,548 INFO L226 Difference]: Without dead ends: 2844 [2022-03-20 12:07:52,551 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1093 GetRequests, 1083 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:07:52,551 INFO L913 BasicCegarLoop]: 303 mSDtfsCounter, 766 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:52,552 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 315 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-20 12:07:52,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2022-03-20 12:07:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2369. [2022-03-20 12:07:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2364 states have (on average 1.3066835871404399) internal successors, (3089), 2364 states have internal predecessors, (3089), 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 12:07:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3093 transitions. [2022-03-20 12:07:52,598 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3093 transitions. Word has length 539 [2022-03-20 12:07:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:52,598 INFO L478 AbstractCegarLoop]: Abstraction has 2369 states and 3093 transitions. [2022-03-20 12:07:52,598 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 12:07:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3093 transitions. [2022-03-20 12:07:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2022-03-20 12:07:52,603 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:52,604 INFO L499 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:52,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-20 12:07:52,819 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:52,820 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:52,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:52,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2145656503, now seen corresponding path program 1 times [2022-03-20 12:07:52,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:52,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683765734] [2022-03-20 12:07:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 2404 proven. 0 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2022-03-20 12:07:52,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:52,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683765734] [2022-03-20 12:07:52,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683765734] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:07:52,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:07:52,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:07:52,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460778635] [2022-03-20 12:07:52,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:07:52,897 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:07:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:07:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:07:52,898 INFO L87 Difference]: Start difference. First operand 2369 states and 3093 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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 12:07:53,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:53,101 INFO L93 Difference]: Finished difference Result 5048 states and 6645 transitions. [2022-03-20 12:07:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:07:53,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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 667 [2022-03-20 12:07:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:53,105 INFO L225 Difference]: With dead ends: 5048 [2022-03-20 12:07:53,105 INFO L226 Difference]: Without dead ends: 2693 [2022-03-20 12:07:53,108 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 12:07:53,108 INFO L913 BasicCegarLoop]: 208 mSDtfsCounter, 203 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:53,108 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 215 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:07:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-03-20 12:07:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2675. [2022-03-20 12:07:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2670 states have (on average 1.2883895131086143) internal successors, (3440), 2670 states have internal predecessors, (3440), 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 12:07:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3444 transitions. [2022-03-20 12:07:53,154 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3444 transitions. Word has length 667 [2022-03-20 12:07:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:53,155 INFO L478 AbstractCegarLoop]: Abstraction has 2675 states and 3444 transitions. [2022-03-20 12:07:53,155 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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 12:07:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3444 transitions. [2022-03-20 12:07:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2022-03-20 12:07:53,161 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:07:53,161 INFO L499 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-03-20 12:07:53,161 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 12:07:53,161 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:07:53,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:07:53,162 INFO L85 PathProgramCache]: Analyzing trace with hash -448877969, now seen corresponding path program 1 times [2022-03-20 12:07:53,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:07:53,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657430915] [2022-03-20 12:07:53,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:07:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:07:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-03-20 12:07:53,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:07:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657430915] [2022-03-20 12:07:53,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657430915] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:07:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173365676] [2022-03-20 12:07:53,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:07:53,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:07:53,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:07:53,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:07:53,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-20 12:07:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:07:53,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:07:53,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:07:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-03-20 12:07:54,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:07:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-03-20 12:07:54,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173365676] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:07:54,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:07:54,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 12:07:54,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332568256] [2022-03-20 12:07:54,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:07:54,814 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 12:07:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:07:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 12:07:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 12:07:54,815 INFO L87 Difference]: Start difference. First operand 2675 states and 3444 transitions. Second operand has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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 12:07:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:07:55,514 INFO L93 Difference]: Finished difference Result 4120 states and 5287 transitions. [2022-03-20 12:07:55,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 12:07:55,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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 729 [2022-03-20 12:07:55,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:07:55,514 INFO L225 Difference]: With dead ends: 4120 [2022-03-20 12:07:55,515 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 12:07:55,520 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1473 GetRequests, 1461 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-03-20 12:07:55,520 INFO L913 BasicCegarLoop]: 302 mSDtfsCounter, 398 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 12:07:55,520 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 329 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 12:07:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 12:07:55,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 12:07:55,521 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 12:07:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 12:07:55,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 729 [2022-03-20 12:07:55,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:07:55,521 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 12:07:55,521 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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 12:07:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 12:07:55,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 12:07:55,523 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 12:07:55,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-20 12:07:55,737 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-03-20 12:07:55,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 12:08:02,681 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 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 12:08:02,682 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 623 634) the Hoare annotation is: true [2022-03-20 12:08:02,682 INFO L885 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: true [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 623 634) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 623 634) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 622) the Hoare annotation is: true [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-03-20 12:08:02,682 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 622) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L878 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse4 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse10 (= 8496 ssl3_accept_~s__state~0)) (.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse17 (<= 8640 ssl3_accept_~s__state~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse16 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse8 (< 8496 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse15 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse7 (not .cse4)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4 .cse5) (= ssl3_accept_~blastFlag~0 0) (and .cse6 .cse0 .cse7) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse8 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse4) (and .cse12 .cse1) (and (= ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse8 .cse9 (= 8560 ssl3_accept_~s__state~0) .cse4) (and (< ssl3_accept_~s__state~0 8496) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse4) (and .cse11 .cse13 .cse14 .cse5) (and .cse6 .cse0 .cse11) (and .cse3 .cse0 (<= ssl3_accept_~s__state~0 8480) .cse11 .cse15 .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse4) (and .cse2 .cse12 .cse3 .cse7 .cse16) (and .cse17 .cse0 .cse11 .cse9 .cse4) (and .cse17 .cse12 .cse7 .cse16 .cse9) (and .cse0 .cse8 .cse11 .cse15 .cse9 .cse4) (and .cse7 .cse13 .cse14 .cse5)))) [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 622) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L885 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: (and (= ssl3_accept_~blastFlag~0 0) (= 12292 ssl3_accept_~s__state~0)) [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L878 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8448))) (or (and (<= 8640 ssl3_accept_~s__state~0) .cse0) (and .cse1 .cse0) (and .cse1 (= 2 ssl3_accept_~blastFlag~0) (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) (= ssl3_accept_~s__hit~0 0)))) [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-03-20 12:08:02,683 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-03-20 12:08:02,689 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-03-20 12:08:02,689 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-03-20 12:08:02,689 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-03-20 12:08:02,689 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-03-20 12:08:02,689 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0))) (or (and (< ssl3_accept_~s__state~0 8496) .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8496 ssl3_accept_~s__state~0)) .cse0))) [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L878 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse4 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse10 (= 8496 ssl3_accept_~s__state~0)) (.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse17 (<= 8640 ssl3_accept_~s__state~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse16 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse8 (< 8496 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse15 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse7 (not .cse4)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4 .cse5) (= ssl3_accept_~blastFlag~0 0) (and .cse6 .cse0 .cse7) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse8 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse4) (and .cse12 .cse1) (and (= ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse8 .cse9 (= 8560 ssl3_accept_~s__state~0) .cse4) (and (< ssl3_accept_~s__state~0 8496) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse4) (and .cse11 .cse13 .cse14 .cse5) (and .cse6 .cse0 .cse11) (and .cse3 .cse0 (<= ssl3_accept_~s__state~0 8480) .cse11 .cse15 .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse4) (and .cse2 .cse12 .cse3 .cse7 .cse16) (and .cse17 .cse0 .cse11 .cse9 .cse4) (and .cse17 .cse12 .cse7 .cse16 .cse9) (and .cse0 .cse8 .cse11 .cse15 .cse9 .cse4) (and .cse7 .cse13 .cse14 .cse5)))) [2022-03-20 12:08:02,690 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-03-20 12:08:02,690 INFO L882 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L878 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (<= 8480 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-03-20 12:08:02,691 INFO L882 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L878 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L878 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L878 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,692 INFO L878 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2022-03-20 12:08:02,692 INFO L882 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L878 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,693 INFO L878 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse3 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8448 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse0 .cse1 .cse3 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse2) (and .cse0 .cse1 (= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse1 (not .cse2) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)))) [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L878 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2022-03-20 12:08:02,693 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse2) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__state~0 8640)))) [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse2))) [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (not (<= 16384 ssl3_accept_~s__state~0))) (.cse1 (<= 8672 ssl3_accept_~s__state~0)) (.cse2 (= 3 ssl3_accept_~blastFlag~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse2))) [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-03-20 12:08:02,694 INFO L882 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L878 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-03-20 12:08:02,695 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-03-20 12:08:02,695 INFO L882 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-03-20 12:08:02,697 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:08:02,698 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 12:08:02,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:08:02 BasicIcfg [2022-03-20 12:08:02,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 12:08:02,727 INFO L158 Benchmark]: Toolchain (without parser) took 26820.60ms. Allocated memory was 187.7MB in the beginning and 455.1MB in the end (delta: 267.4MB). Free memory was 129.9MB in the beginning and 413.0MB in the end (delta: -283.1MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,727 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 12:08:02,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.94ms. Allocated memory is still 187.7MB. Free memory was 129.6MB in the beginning and 154.9MB in the end (delta: -25.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,727 INFO L158 Benchmark]: Boogie Preprocessor took 41.25ms. Allocated memory is still 187.7MB. Free memory was 154.9MB in the beginning and 152.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,727 INFO L158 Benchmark]: RCFGBuilder took 522.57ms. Allocated memory is still 187.7MB. Free memory was 152.2MB in the beginning and 124.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,728 INFO L158 Benchmark]: IcfgTransformer took 47.85ms. Allocated memory is still 187.7MB. Free memory was 124.9MB in the beginning and 121.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,728 INFO L158 Benchmark]: TraceAbstraction took 25921.53ms. Allocated memory was 187.7MB in the beginning and 455.1MB in the end (delta: 267.4MB). Free memory was 121.4MB in the beginning and 413.0MB in the end (delta: -291.7MB). Peak memory consumption was 244.0MB. Max. memory is 8.0GB. [2022-03-20 12:08:02,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.94ms. Allocated memory is still 187.7MB. Free memory was 129.6MB in the beginning and 154.9MB in the end (delta: -25.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.25ms. Allocated memory is still 187.7MB. Free memory was 154.9MB in the beginning and 152.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 522.57ms. Allocated memory is still 187.7MB. Free memory was 152.2MB in the beginning and 124.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 47.85ms. Allocated memory is still 187.7MB. Free memory was 124.9MB in the beginning and 121.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 25921.53ms. Allocated memory was 187.7MB in the beginning and 455.1MB in the end (delta: 267.4MB). Free memory was 121.4MB in the beginning and 413.0MB in the end (delta: -291.7MB). Peak memory consumption was 244.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.8s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8171 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8169 mSDsluCounter, 7556 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 633 mSDsCounter, 792 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8654 IncrementalHoareTripleChecker+Invalid, 9446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 792 mSolverCounterUnsat, 6923 mSDtfsCounter, 8654 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5089 GetRequests, 4975 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6713occurred in iteration=14, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 7801 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 275 NumberOfFragments, 1147 HoareAnnotationTreeSize, 32 FomulaSimplifications, 19333 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 32 FomulaSimplificationsInter, 41077 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 10081 NumberOfCodeBlocks, 10081 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 11859 ConstructedInterpolants, 0 QuantifiedInterpolants, 15458 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5640 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 38 InterpolantComputations, 22 PerfectInterpolantSequences, 50691/50924 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag) || (((((s__state <= 8448 && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((((s__state <= 8448 && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || ((s__state <= 8448 && 8448 <= s__state) && blastFlag == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 3) || ((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || blastFlag == 0) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || ((((s__state == 8544 && 2 == blastFlag) && 8496 < s__state) && s__state <= 8640) && s__hit == 0)) || (((8496 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || (blastFlag == 1 && 8496 == s__state)) || ((((2 == blastFlag && 8496 < s__state) && s__state <= 8640) && 8560 == s__state) && s__hit == 0)) || (((s__state < 8496 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((((2 == blastFlag && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__state <= 8640) && s__hit == 0)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((8448 <= s__state && blastFlag == 0) && s__state <= 8480) || ((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) || ((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((s__state <= 8576 && 8480 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) || ((blastFlag == 1 && s__state <= 8576) && 8480 <= s__state)) || ((blastFlag == 0 && s__state <= 8576) && 8480 <= s__state) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) && s__hit == 0) || ((8640 <= s__state && blastFlag == 0) && s__state <= 8672)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && !(16384 <= s__state)) && 8672 <= s__state) || (((!(16384 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 8672 <= s__state) && 3 == blastFlag)) || (((!(16384 <= s__state) && !(s__hit == 0)) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((s__s3__tmp__next_state___0 <= 8640 && 8480 <= s__state) && s__state <= 8640) || ((8480 <= s__state && 2 == blastFlag) && s__state <= 8640)) || ((blastFlag == 0 && 8480 <= s__state) && s__state <= 8640) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) || (((8640 <= s__state && 2 == blastFlag) && !(s__hit == 0)) && s__state <= 8672)) || ((8640 <= s__state && blastFlag == 0) && s__state <= 8672) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((s__state < 8496 && 8480 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) || ((blastFlag == 0 && !(8496 <= s__state)) && 8480 <= s__state) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag == 0 && 12292 == s__state - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag == 0) || (s__state <= 8448 && blastFlag == 0)) || (((s__state <= 8448 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0) - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 3) || ((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || blastFlag == 0) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || ((((s__state == 8544 && 2 == blastFlag) && 8496 < s__state) && s__state <= 8640) && s__hit == 0)) || (((8496 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || (blastFlag == 1 && 8496 == s__state)) || ((((2 == blastFlag && 8496 < s__state) && s__state <= 8640) && 8560 == s__state) && s__hit == 0)) || (((s__state < 8496 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((((2 == blastFlag && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__state <= 8640) && s__hit == 0)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) RESULT: Ultimate proved your program to be correct! [2022-03-20 12:08:02,783 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...