/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.03.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:12:43,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:12:43,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:12:43,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 03:12:43,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 03:12:43,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 03:12:43,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 03:12:43,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 03:12:43,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 03:12:43,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 03:12:43,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 03:12:43,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 03:12:43,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:12:43,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:12:43,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:12:43,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:12:43,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:12:43,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:12:43,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:12:43,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:12:43,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:12:43,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:12:43,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:12:43,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:12:43,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 03:12:43,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:12:43,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:12:43,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:12:43,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-15 03:12:43,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:12:43,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:12:43,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:12:43,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:12:43,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:12:43,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:12:43,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:12:43,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:12:43,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:12:43,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:12:43,850 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:12:43,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:12:43,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:12:43,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:12:43,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:12:43,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:12:43,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:12:43,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:12:43,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:12:43,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:12:43,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:12:43,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:12:43,853 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:12:43,853 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:12:44,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:12:44,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:12:44,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:12:44,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:12:44,109 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:12:44,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.03.i.cil.c [2022-02-15 03:12:44,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7570551/1424c10bc44e431c949ab7b7547ed19c/FLAG210d36a89 [2022-02-15 03:12:44,746 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:12:44,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.03.i.cil.c [2022-02-15 03:12:44,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7570551/1424c10bc44e431c949ab7b7547ed19c/FLAG210d36a89 [2022-02-15 03:12:45,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7570551/1424c10bc44e431c949ab7b7547ed19c [2022-02-15 03:12:45,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:12:45,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:12:45,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:12:45,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:12:45,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:12:45,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb2adf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45, skipping insertion in model container [2022-02-15 03:12:45,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:12:45,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:12:45,512 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/s3_srvr.blast.03.i.cil.c[72493,72506] [2022-02-15 03:12:45,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:12:45,531 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:12:45,641 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/s3_srvr.blast.03.i.cil.c[72493,72506] [2022-02-15 03:12:45,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:12:45,658 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:12:45,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45 WrapperNode [2022-02-15 03:12:45,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:12:45,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:12:45,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:12:45,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:12:45,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:12:45,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:12:45,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:12:45,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:12:45,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (1/1) ... [2022-02-15 03:12:45,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:12:45,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:12:45,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 03:12:45,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 03:12:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:12:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:12:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:12:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 03:12:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 03:12:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:12:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 03:12:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 03:12:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 03:12:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:12:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:12:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:12:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:12:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:12:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:12:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:12:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:12:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:12:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:12:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:12:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:12:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:12:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:12:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:12:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:12:46,111 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:12:46,112 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:12:48,528 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:12:48,962 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 03:12:48,963 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 03:12:48,979 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:12:48,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:12:48,994 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 03:12:48,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:12:48 BoogieIcfgContainer [2022-02-15 03:12:48,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:12:48,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:12:48,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:12:49,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:12:49,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:12:45" (1/3) ... [2022-02-15 03:12:49,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db75777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:12:49, skipping insertion in model container [2022-02-15 03:12:49,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:12:45" (2/3) ... [2022-02-15 03:12:49,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db75777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:12:49, skipping insertion in model container [2022-02-15 03:12:49,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:12:48" (3/3) ... [2022-02-15 03:12:49,009 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2022-02-15 03:12:49,017 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:12:49,018 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:12:49,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:12:49,077 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-15 03:12:49,078 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:12:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 03:12:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-15 03:12:49,133 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:12:49,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:12:49,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:12:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:12:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1104936065, now seen corresponding path program 1 times [2022-02-15 03:12:49,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:12:49,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639633086] [2022-02-15 03:12:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:12:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:12:49,228 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:12:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:12:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:12:49,751 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:12:49,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639633086] [2022-02-15 03:12:49,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1639633086] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:12:49,753 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:12:49,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:12:49,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185073674] [2022-02-15 03:12:49,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:12:49,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:12:49,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:12:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:12:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:12:49,795 INFO L87 Difference]: Start difference. First operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:12:51,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:53,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:55,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:57,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:12:58,179 INFO L93 Difference]: Finished difference Result 324 states and 540 transitions. [2022-02-15 03:12:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:12:58,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 52 [2022-02-15 03:12:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:12:58,197 INFO L225 Difference]: With dead ends: 324 [2022-02-15 03:12:58,197 INFO L226 Difference]: Without dead ends: 165 [2022-02-15 03:12:58,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:12:58,210 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 34 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:12:58,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 577 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 402 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-02-15 03:12:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-15 03:12:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-02-15 03:12:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 143 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:12:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 224 transitions. [2022-02-15 03:12:58,263 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 224 transitions. Word has length 52 [2022-02-15 03:12:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:12:58,264 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 224 transitions. [2022-02-15 03:12:58,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:12:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 224 transitions. [2022-02-15 03:12:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 03:12:58,267 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:12:58,267 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:12:58,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:12:58,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:12:58,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:12:58,268 INFO L85 PathProgramCache]: Analyzing trace with hash 133985870, now seen corresponding path program 1 times [2022-02-15 03:12:58,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:12:58,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875269630] [2022-02-15 03:12:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:12:58,296 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:12:58,297 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:12:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:12:58,303 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:12:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:12:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:12:58,576 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:12:58,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875269630] [2022-02-15 03:12:58,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1875269630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:12:58,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:12:58,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:12:58,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656466572] [2022-02-15 03:12:58,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:12:58,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:12:58,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:12:58,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:12:58,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:12:58,584 INFO L87 Difference]: Start difference. First operand 148 states and 224 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:00,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:01,083 INFO L93 Difference]: Finished difference Result 287 states and 431 transitions. [2022-02-15 03:13:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:01,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 65 [2022-02-15 03:13:01,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:01,088 INFO L225 Difference]: With dead ends: 287 [2022-02-15 03:13:01,088 INFO L226 Difference]: Without dead ends: 165 [2022-02-15 03:13:01,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:01,090 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 24 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:01,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 453 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:01,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-15 03:13:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-02-15 03:13:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5314685314685315) internal successors, (219), 143 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 223 transitions. [2022-02-15 03:13:01,105 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 223 transitions. Word has length 65 [2022-02-15 03:13:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:01,105 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 223 transitions. [2022-02-15 03:13:01,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2022-02-15 03:13:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:01,107 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:01,108 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:01,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:13:01,108 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:01,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:01,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1027752574, now seen corresponding path program 1 times [2022-02-15 03:13:01,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:01,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005386443] [2022-02-15 03:13:01,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:01,122 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:01,122 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:01,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:01,126 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:01,355 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:01,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005386443] [2022-02-15 03:13:01,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2005386443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:01,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:01,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:01,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723043109] [2022-02-15 03:13:01,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:01,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:01,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:01,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:01,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:01,358 INFO L87 Difference]: Start difference. First operand 148 states and 223 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:03,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:04,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:04,000 INFO L93 Difference]: Finished difference Result 383 states and 584 transitions. [2022-02-15 03:13:04,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:04,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:04,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:04,003 INFO L225 Difference]: With dead ends: 383 [2022-02-15 03:13:04,003 INFO L226 Difference]: Without dead ends: 261 [2022-02-15 03:13:04,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:04,005 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 142 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:04,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 314 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:13:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-02-15 03:13:04,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 159. [2022-02-15 03:13:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.5194805194805194) internal successors, (234), 154 states have internal predecessors, (234), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2022-02-15 03:13:04,032 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 66 [2022-02-15 03:13:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:04,033 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2022-02-15 03:13:04,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2022-02-15 03:13:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:04,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:04,044 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:04,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:13:04,045 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:04,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1865763346, now seen corresponding path program 1 times [2022-02-15 03:13:04,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:04,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153049742] [2022-02-15 03:13:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:04,057 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:04,057 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:04,062 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:04,241 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:04,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153049742] [2022-02-15 03:13:04,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1153049742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:04,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:04,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:04,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40477863] [2022-02-15 03:13:04,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:04,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:04,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:04,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:04,245 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:06,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:06,650 INFO L93 Difference]: Finished difference Result 308 states and 460 transitions. [2022-02-15 03:13:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:06,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:06,652 INFO L225 Difference]: With dead ends: 308 [2022-02-15 03:13:06,652 INFO L226 Difference]: Without dead ends: 175 [2022-02-15 03:13:06,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:06,654 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 26 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:06,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 455 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 348 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-02-15 03:13:06,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 159. [2022-02-15 03:13:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.5129870129870129) internal successors, (233), 154 states have internal predecessors, (233), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 237 transitions. [2022-02-15 03:13:06,676 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 237 transitions. Word has length 66 [2022-02-15 03:13:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:06,676 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 237 transitions. [2022-02-15 03:13:06,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 237 transitions. [2022-02-15 03:13:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:06,678 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:06,678 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:06,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:13:06,679 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:06,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash -354488375, now seen corresponding path program 1 times [2022-02-15 03:13:06,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:06,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276431107] [2022-02-15 03:13:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:06,686 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:06,686 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:06,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:06,690 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:06,861 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:06,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276431107] [2022-02-15 03:13:06,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1276431107] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:06,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:06,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:06,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670877984] [2022-02-15 03:13:06,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:06,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:06,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:06,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:06,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:06,863 INFO L87 Difference]: Start difference. First operand 159 states and 237 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:08,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:09,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:09,280 INFO L93 Difference]: Finished difference Result 306 states and 457 transitions. [2022-02-15 03:13:09,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:09,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:09,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:09,282 INFO L225 Difference]: With dead ends: 306 [2022-02-15 03:13:09,282 INFO L226 Difference]: Without dead ends: 173 [2022-02-15 03:13:09,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:09,283 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 20 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:09,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 459 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 344 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-02-15 03:13:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 159. [2022-02-15 03:13:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.5064935064935066) internal successors, (232), 154 states have internal predecessors, (232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 236 transitions. [2022-02-15 03:13:09,301 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 236 transitions. Word has length 66 [2022-02-15 03:13:09,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:09,302 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 236 transitions. [2022-02-15 03:13:09,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2022-02-15 03:13:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:09,303 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:09,304 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:09,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:13:09,304 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:09,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:09,304 INFO L85 PathProgramCache]: Analyzing trace with hash 146163146, now seen corresponding path program 1 times [2022-02-15 03:13:09,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:09,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765308213] [2022-02-15 03:13:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:09,308 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:09,308 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:09,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:09,312 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:09,471 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:09,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765308213] [2022-02-15 03:13:09,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [765308213] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:09,471 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:09,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:09,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404646231] [2022-02-15 03:13:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:09,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:09,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:09,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:09,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:09,473 INFO L87 Difference]: Start difference. First operand 159 states and 236 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:11,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:11,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:11,996 INFO L93 Difference]: Finished difference Result 305 states and 455 transitions. [2022-02-15 03:13:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:11,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:11,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:12,000 INFO L225 Difference]: With dead ends: 305 [2022-02-15 03:13:12,000 INFO L226 Difference]: Without dead ends: 172 [2022-02-15 03:13:12,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:12,002 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 18 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:12,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-02-15 03:13:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 159. [2022-02-15 03:13:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.5) internal successors, (231), 154 states have internal predecessors, (231), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 235 transitions. [2022-02-15 03:13:12,012 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 235 transitions. Word has length 66 [2022-02-15 03:13:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:12,012 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 235 transitions. [2022-02-15 03:13:12,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 235 transitions. [2022-02-15 03:13:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 03:13:12,014 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:12,014 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:12,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:13:12,014 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:12,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:12,015 INFO L85 PathProgramCache]: Analyzing trace with hash -674199881, now seen corresponding path program 1 times [2022-02-15 03:13:12,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:12,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073550527] [2022-02-15 03:13:12,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:12,023 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:12,023 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:12,028 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:12,169 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:12,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073550527] [2022-02-15 03:13:12,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2073550527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:12,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:12,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:12,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271506064] [2022-02-15 03:13:12,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:12,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:12,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:12,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:12,174 INFO L87 Difference]: Start difference. First operand 159 states and 235 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:14,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:14,686 INFO L93 Difference]: Finished difference Result 305 states and 454 transitions. [2022-02-15 03:13:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:14,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-02-15 03:13:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:14,696 INFO L225 Difference]: With dead ends: 305 [2022-02-15 03:13:14,696 INFO L226 Difference]: Without dead ends: 172 [2022-02-15 03:13:14,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:14,697 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 22 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:14,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-02-15 03:13:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 159. [2022-02-15 03:13:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.4935064935064934) internal successors, (230), 154 states have internal predecessors, (230), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2022-02-15 03:13:14,712 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 67 [2022-02-15 03:13:14,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:14,712 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2022-02-15 03:13:14,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2022-02-15 03:13:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-15 03:13:14,713 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:14,713 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:14,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:13:14,714 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:14,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:14,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2142445385, now seen corresponding path program 1 times [2022-02-15 03:13:14,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:14,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464465620] [2022-02-15 03:13:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:14,727 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:14,727 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:14,732 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:14,919 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:14,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464465620] [2022-02-15 03:13:14,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [464465620] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:14,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:14,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:14,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014555810] [2022-02-15 03:13:14,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:14,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:14,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:14,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:14,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:14,921 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:16,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:17,355 INFO L93 Difference]: Finished difference Result 305 states and 453 transitions. [2022-02-15 03:13:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:17,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-02-15 03:13:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:17,357 INFO L225 Difference]: With dead ends: 305 [2022-02-15 03:13:17,357 INFO L226 Difference]: Without dead ends: 172 [2022-02-15 03:13:17,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:17,358 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 20 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:17,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-02-15 03:13:17,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 159. [2022-02-15 03:13:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.4870129870129871) internal successors, (229), 154 states have internal predecessors, (229), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 233 transitions. [2022-02-15 03:13:17,368 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 233 transitions. Word has length 68 [2022-02-15 03:13:17,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:17,368 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 233 transitions. [2022-02-15 03:13:17,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 233 transitions. [2022-02-15 03:13:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 03:13:17,370 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:17,370 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:17,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:13:17,370 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash -452212548, now seen corresponding path program 1 times [2022-02-15 03:13:17,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:17,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280910037] [2022-02-15 03:13:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:17,381 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:17,381 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:17,390 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:17,523 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:17,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280910037] [2022-02-15 03:13:17,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [280910037] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:17,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:17,524 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:17,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280549984] [2022-02-15 03:13:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:17,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:17,524 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:17,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:17,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:17,525 INFO L87 Difference]: Start difference. First operand 159 states and 233 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:19,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:20,002 INFO L93 Difference]: Finished difference Result 295 states and 439 transitions. [2022-02-15 03:13:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:20,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-02-15 03:13:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:20,004 INFO L225 Difference]: With dead ends: 295 [2022-02-15 03:13:20,004 INFO L226 Difference]: Without dead ends: 162 [2022-02-15 03:13:20,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:20,005 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 11 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:20,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 475 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 328 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:20,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-02-15 03:13:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 159. [2022-02-15 03:13:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.4805194805194806) internal successors, (228), 154 states have internal predecessors, (228), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 232 transitions. [2022-02-15 03:13:20,013 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 232 transitions. Word has length 69 [2022-02-15 03:13:20,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:20,013 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 232 transitions. [2022-02-15 03:13:20,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 232 transitions. [2022-02-15 03:13:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 03:13:20,014 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:20,014 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:20,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 03:13:20,014 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1752801627, now seen corresponding path program 1 times [2022-02-15 03:13:20,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:20,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236666503] [2022-02-15 03:13:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:20,020 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:20,020 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:20,025 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:20,153 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:20,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236666503] [2022-02-15 03:13:20,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1236666503] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:20,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:20,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:20,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655509904] [2022-02-15 03:13:20,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:20,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:20,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:20,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:20,155 INFO L87 Difference]: Start difference. First operand 159 states and 232 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:22,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:22,735 INFO L93 Difference]: Finished difference Result 405 states and 608 transitions. [2022-02-15 03:13:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:22,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-02-15 03:13:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:22,738 INFO L225 Difference]: With dead ends: 405 [2022-02-15 03:13:22,738 INFO L226 Difference]: Without dead ends: 272 [2022-02-15 03:13:22,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:22,739 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 109 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:22,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 315 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-02-15 03:13:22,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 202. [2022-02-15 03:13:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 197 states have (on average 1.5583756345177664) internal successors, (307), 197 states have internal predecessors, (307), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 311 transitions. [2022-02-15 03:13:22,749 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 311 transitions. Word has length 69 [2022-02-15 03:13:22,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:22,750 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 311 transitions. [2022-02-15 03:13:22,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 311 transitions. [2022-02-15 03:13:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-15 03:13:22,751 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:22,751 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:22,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 03:13:22,751 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:22,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1490539961, now seen corresponding path program 1 times [2022-02-15 03:13:22,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:22,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709278854] [2022-02-15 03:13:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:22,756 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:22,757 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:22,761 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:22,860 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:22,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709278854] [2022-02-15 03:13:22,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1709278854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:22,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:22,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:22,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525697896] [2022-02-15 03:13:22,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:22,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:22,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:22,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:22,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:22,861 INFO L87 Difference]: Start difference. First operand 202 states and 311 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:24,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:25,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:25,322 INFO L93 Difference]: Finished difference Result 420 states and 656 transitions. [2022-02-15 03:13:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:25,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-02-15 03:13:25,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:25,325 INFO L225 Difference]: With dead ends: 420 [2022-02-15 03:13:25,325 INFO L226 Difference]: Without dead ends: 244 [2022-02-15 03:13:25,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:25,326 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 33 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:25,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 475 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-15 03:13:25,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 224. [2022-02-15 03:13:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 219 states have (on average 1.5707762557077625) internal successors, (344), 219 states have internal predecessors, (344), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 348 transitions. [2022-02-15 03:13:25,338 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 348 transitions. Word has length 70 [2022-02-15 03:13:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:25,338 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 348 transitions. [2022-02-15 03:13:25,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 348 transitions. [2022-02-15 03:13:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-02-15 03:13:25,339 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:25,340 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:25,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 03:13:25,340 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:25,341 INFO L85 PathProgramCache]: Analyzing trace with hash 308122582, now seen corresponding path program 1 times [2022-02-15 03:13:25,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:25,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528316742] [2022-02-15 03:13:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:25,357 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:25,357 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:25,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:25,363 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:25,496 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:25,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528316742] [2022-02-15 03:13:25,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [528316742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:25,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:25,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:25,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207838111] [2022-02-15 03:13:25,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:25,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:25,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:25,498 INFO L87 Difference]: Start difference. First operand 224 states and 348 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:27,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:28,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:28,075 INFO L93 Difference]: Finished difference Result 442 states and 692 transitions. [2022-02-15 03:13:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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 83 [2022-02-15 03:13:28,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:28,077 INFO L225 Difference]: With dead ends: 442 [2022-02-15 03:13:28,077 INFO L226 Difference]: Without dead ends: 244 [2022-02-15 03:13:28,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:28,078 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 38 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:28,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 475 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:28,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-15 03:13:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 224. [2022-02-15 03:13:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 219 states have (on average 1.5662100456621004) internal successors, (343), 219 states have internal predecessors, (343), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 347 transitions. [2022-02-15 03:13:28,089 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 347 transitions. Word has length 83 [2022-02-15 03:13:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:28,090 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 347 transitions. [2022-02-15 03:13:28,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 347 transitions. [2022-02-15 03:13:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 03:13:28,091 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:28,091 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:28,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 03:13:28,092 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:28,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1024881658, now seen corresponding path program 1 times [2022-02-15 03:13:28,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:28,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456934973] [2022-02-15 03:13:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:28,107 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:28,108 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:28,113 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:28,247 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:28,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456934973] [2022-02-15 03:13:28,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [456934973] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:28,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:28,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:28,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774613891] [2022-02-15 03:13:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:28,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:28,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:28,249 INFO L87 Difference]: Start difference. First operand 224 states and 347 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:30,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:32,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:34,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:36,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:36,695 INFO L93 Difference]: Finished difference Result 450 states and 705 transitions. [2022-02-15 03:13:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:36,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 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 84 [2022-02-15 03:13:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:36,700 INFO L225 Difference]: With dead ends: 450 [2022-02-15 03:13:36,700 INFO L226 Difference]: Without dead ends: 252 [2022-02-15 03:13:36,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:36,702 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 21 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:36,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 546 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 385 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-02-15 03:13:36,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-02-15 03:13:36,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 240. [2022-02-15 03:13:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.5659574468085107) internal successors, (368), 235 states have internal predecessors, (368), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 372 transitions. [2022-02-15 03:13:36,718 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 372 transitions. Word has length 84 [2022-02-15 03:13:36,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:36,718 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 372 transitions. [2022-02-15 03:13:36,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 372 transitions. [2022-02-15 03:13:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 03:13:36,720 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:36,720 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2022-02-15 03:13:36,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 03:13:36,720 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1133208273, now seen corresponding path program 1 times [2022-02-15 03:13:36,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:36,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13960614] [2022-02-15 03:13:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:36,735 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:36,735 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:36,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:36,741 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:36,872 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:36,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13960614] [2022-02-15 03:13:36,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [13960614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:36,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:36,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:36,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218395088] [2022-02-15 03:13:36,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:36,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:36,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:36,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:36,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:36,874 INFO L87 Difference]: Start difference. First operand 240 states and 372 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:38,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:39,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:39,615 INFO L93 Difference]: Finished difference Result 556 states and 872 transitions. [2022-02-15 03:13:39,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:39,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 84 [2022-02-15 03:13:39,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:39,618 INFO L225 Difference]: With dead ends: 556 [2022-02-15 03:13:39,618 INFO L226 Difference]: Without dead ends: 342 [2022-02-15 03:13:39,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:39,619 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 136 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:39,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 316 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 03:13:39,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-02-15 03:13:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 246. [2022-02-15 03:13:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 241 states have (on average 1.5643153526970954) internal successors, (377), 241 states have internal predecessors, (377), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 381 transitions. [2022-02-15 03:13:39,633 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 381 transitions. Word has length 84 [2022-02-15 03:13:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:39,634 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 381 transitions. [2022-02-15 03:13:39,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 381 transitions. [2022-02-15 03:13:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 03:13:39,635 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:39,635 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:39,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 03:13:39,636 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:39,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1502086990, now seen corresponding path program 1 times [2022-02-15 03:13:39,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:39,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995148121] [2022-02-15 03:13:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:39,645 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:39,645 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:39,653 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:39,791 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:39,791 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995148121] [2022-02-15 03:13:39,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1995148121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:39,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:39,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:39,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116710957] [2022-02-15 03:13:39,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:39,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:39,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:39,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:39,793 INFO L87 Difference]: Start difference. First operand 246 states and 381 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:41,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:42,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:42,419 INFO L93 Difference]: Finished difference Result 561 states and 877 transitions. [2022-02-15 03:13:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:42,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 84 [2022-02-15 03:13:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:42,422 INFO L225 Difference]: With dead ends: 561 [2022-02-15 03:13:42,422 INFO L226 Difference]: Without dead ends: 341 [2022-02-15 03:13:42,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:42,423 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 134 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:42,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 318 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:13:42,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-02-15 03:13:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 247. [2022-02-15 03:13:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5537190082644627) internal successors, (376), 242 states have internal predecessors, (376), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 380 transitions. [2022-02-15 03:13:42,438 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 380 transitions. Word has length 84 [2022-02-15 03:13:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:42,439 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 380 transitions. [2022-02-15 03:13:42,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 380 transitions. [2022-02-15 03:13:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-02-15 03:13:42,440 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:42,441 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:42,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 03:13:42,441 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash 681790009, now seen corresponding path program 1 times [2022-02-15 03:13:42,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:42,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977838063] [2022-02-15 03:13:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:42,457 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:42,457 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:42,464 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:42,567 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:42,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977838063] [2022-02-15 03:13:42,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1977838063] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:42,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:42,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:42,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227498493] [2022-02-15 03:13:42,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:42,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:42,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:42,568 INFO L87 Difference]: Start difference. First operand 247 states and 380 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:44,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:45,094 INFO L93 Difference]: Finished difference Result 562 states and 873 transitions. [2022-02-15 03:13:45,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:45,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 85 [2022-02-15 03:13:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:45,096 INFO L225 Difference]: With dead ends: 562 [2022-02-15 03:13:45,096 INFO L226 Difference]: Without dead ends: 341 [2022-02-15 03:13:45,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:45,098 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 139 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:45,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 318 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:13:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-02-15 03:13:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 247. [2022-02-15 03:13:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.537190082644628) internal successors, (372), 242 states have internal predecessors, (372), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 376 transitions. [2022-02-15 03:13:45,112 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 376 transitions. Word has length 85 [2022-02-15 03:13:45,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:45,112 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 376 transitions. [2022-02-15 03:13:45,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 376 transitions. [2022-02-15 03:13:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-15 03:13:45,113 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:45,114 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:45,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 03:13:45,115 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2033895406, now seen corresponding path program 1 times [2022-02-15 03:13:45,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:45,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742543839] [2022-02-15 03:13:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:45,129 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:45,129 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:45,138 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:45,253 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:45,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742543839] [2022-02-15 03:13:45,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [742543839] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:45,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:45,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:45,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765025742] [2022-02-15 03:13:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:45,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:45,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:45,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:45,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:45,255 INFO L87 Difference]: Start difference. First operand 247 states and 376 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:47,643 INFO L93 Difference]: Finished difference Result 485 states and 745 transitions. [2022-02-15 03:13:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:47,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 86 [2022-02-15 03:13:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:47,645 INFO L225 Difference]: With dead ends: 485 [2022-02-15 03:13:47,646 INFO L226 Difference]: Without dead ends: 264 [2022-02-15 03:13:47,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:47,647 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 37 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:47,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 481 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 375 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-02-15 03:13:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 247. [2022-02-15 03:13:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5330578512396693) internal successors, (371), 242 states have internal predecessors, (371), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 375 transitions. [2022-02-15 03:13:47,660 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 375 transitions. Word has length 86 [2022-02-15 03:13:47,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:47,661 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 375 transitions. [2022-02-15 03:13:47,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 375 transitions. [2022-02-15 03:13:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-15 03:13:47,662 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:47,662 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:47,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 03:13:47,662 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1050188318, now seen corresponding path program 1 times [2022-02-15 03:13:47,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:47,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918302077] [2022-02-15 03:13:47,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:47,678 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:47,678 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:47,686 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:47,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:47,813 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:47,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918302077] [2022-02-15 03:13:47,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [918302077] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:47,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:47,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:47,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437909215] [2022-02-15 03:13:47,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:47,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:47,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:47,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:47,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:47,815 INFO L87 Difference]: Start difference. First operand 247 states and 375 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:49,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:50,232 INFO L93 Difference]: Finished difference Result 485 states and 743 transitions. [2022-02-15 03:13:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:50,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-02-15 03:13:50,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:50,234 INFO L225 Difference]: With dead ends: 485 [2022-02-15 03:13:50,234 INFO L226 Difference]: Without dead ends: 264 [2022-02-15 03:13:50,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:50,235 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 35 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:50,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 481 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 375 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:13:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-02-15 03:13:50,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 247. [2022-02-15 03:13:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5289256198347108) internal successors, (370), 242 states have internal predecessors, (370), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 374 transitions. [2022-02-15 03:13:50,247 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 374 transitions. Word has length 87 [2022-02-15 03:13:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:50,247 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 374 transitions. [2022-02-15 03:13:50,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 374 transitions. [2022-02-15 03:13:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-15 03:13:50,248 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:50,248 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:50,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 03:13:50,248 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:50,249 INFO L85 PathProgramCache]: Analyzing trace with hash -756478377, now seen corresponding path program 1 times [2022-02-15 03:13:50,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:50,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497466648] [2022-02-15 03:13:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:50,264 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:50,265 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:50,270 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:50,380 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:50,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497466648] [2022-02-15 03:13:50,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [497466648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:50,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:50,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:50,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715687469] [2022-02-15 03:13:50,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:50,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:50,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:50,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:50,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:50,383 INFO L87 Difference]: Start difference. First operand 247 states and 374 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:52,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:54,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:57,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:57,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:57,467 INFO L93 Difference]: Finished difference Result 475 states and 728 transitions. [2022-02-15 03:13:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:57,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 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 88 [2022-02-15 03:13:57,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:57,476 INFO L225 Difference]: With dead ends: 475 [2022-02-15 03:13:57,476 INFO L226 Difference]: Without dead ends: 254 [2022-02-15 03:13:57,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:57,478 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 26 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:57,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 495 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 362 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-02-15 03:13:57,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-02-15 03:13:57,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 247. [2022-02-15 03:13:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.524793388429752) internal successors, (369), 242 states have internal predecessors, (369), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 373 transitions. [2022-02-15 03:13:57,493 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 373 transitions. Word has length 88 [2022-02-15 03:13:57,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:57,493 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 373 transitions. [2022-02-15 03:13:57,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 373 transitions. [2022-02-15 03:13:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-15 03:13:57,495 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:57,495 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:57,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 03:13:57,495 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash -220711809, now seen corresponding path program 1 times [2022-02-15 03:13:57,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:57,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193019087] [2022-02-15 03:13:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:57,510 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:57,510 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:57,517 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:57,691 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:57,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193019087] [2022-02-15 03:13:57,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [193019087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:57,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:57,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:57,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729241432] [2022-02-15 03:13:57,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:57,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:57,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:57,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:57,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:57,693 INFO L87 Difference]: Start difference. First operand 247 states and 373 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:59,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:00,183 INFO L93 Difference]: Finished difference Result 562 states and 859 transitions. [2022-02-15 03:14:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:00,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2022-02-15 03:14:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:00,185 INFO L225 Difference]: With dead ends: 562 [2022-02-15 03:14:00,186 INFO L226 Difference]: Without dead ends: 339 [2022-02-15 03:14:00,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:00,187 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 107 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:00,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 328 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:14:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-02-15 03:14:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 271. [2022-02-15 03:14:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.5639097744360901) internal successors, (416), 266 states have internal predecessors, (416), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 420 transitions. [2022-02-15 03:14:00,209 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 420 transitions. Word has length 92 [2022-02-15 03:14:00,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:00,210 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 420 transitions. [2022-02-15 03:14:00,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 420 transitions. [2022-02-15 03:14:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-02-15 03:14:00,211 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:00,211 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:00,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 03:14:00,212 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:00,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1693775945, now seen corresponding path program 1 times [2022-02-15 03:14:00,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:00,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726480569] [2022-02-15 03:14:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:00,239 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:00,240 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:00,250 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:00,383 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:00,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726480569] [2022-02-15 03:14:00,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [726480569] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:00,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:00,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:00,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012659394] [2022-02-15 03:14:00,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:00,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:00,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:00,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:00,386 INFO L87 Difference]: Start difference. First operand 271 states and 420 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:02,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:02,884 INFO L93 Difference]: Finished difference Result 608 states and 950 transitions. [2022-02-15 03:14:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:02,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 120 [2022-02-15 03:14:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:02,886 INFO L225 Difference]: With dead ends: 608 [2022-02-15 03:14:02,886 INFO L226 Difference]: Without dead ends: 363 [2022-02-15 03:14:02,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:02,888 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 83 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:02,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 441 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:14:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-02-15 03:14:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 305. [2022-02-15 03:14:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 300 states have (on average 1.5733333333333333) internal successors, (472), 300 states have internal predecessors, (472), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 476 transitions. [2022-02-15 03:14:02,907 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 476 transitions. Word has length 120 [2022-02-15 03:14:02,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:02,907 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 476 transitions. [2022-02-15 03:14:02,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 476 transitions. [2022-02-15 03:14:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-02-15 03:14:02,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:02,909 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:02,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 03:14:02,909 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:02,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:02,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1770676743, now seen corresponding path program 1 times [2022-02-15 03:14:02,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:02,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066158641] [2022-02-15 03:14:02,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:02,933 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:02,933 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:02,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:02,941 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:03,071 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:03,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066158641] [2022-02-15 03:14:03,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1066158641] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:03,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:03,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:03,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468011488] [2022-02-15 03:14:03,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:03,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:03,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:03,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:03,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:03,073 INFO L87 Difference]: Start difference. First operand 305 states and 476 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:05,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:05,534 INFO L93 Difference]: Finished difference Result 631 states and 991 transitions. [2022-02-15 03:14:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:05,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 120 [2022-02-15 03:14:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:05,538 INFO L225 Difference]: With dead ends: 631 [2022-02-15 03:14:05,538 INFO L226 Difference]: Without dead ends: 352 [2022-02-15 03:14:05,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:05,539 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 36 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:05,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 573 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 451 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:14:05,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-02-15 03:14:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 329. [2022-02-15 03:14:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 324 states have (on average 1.5740740740740742) internal successors, (510), 324 states have internal predecessors, (510), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 514 transitions. [2022-02-15 03:14:05,556 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 514 transitions. Word has length 120 [2022-02-15 03:14:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:05,556 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 514 transitions. [2022-02-15 03:14:05,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 514 transitions. [2022-02-15 03:14:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 03:14:05,558 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:05,558 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:05,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 03:14:05,558 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:05,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:05,558 INFO L85 PathProgramCache]: Analyzing trace with hash 977330790, now seen corresponding path program 1 times [2022-02-15 03:14:05,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:05,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650684996] [2022-02-15 03:14:05,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:05,592 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:05,593 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:05,600 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:06,135 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:06,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650684996] [2022-02-15 03:14:06,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [650684996] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:06,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:06,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 03:14:06,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932121819] [2022-02-15 03:14:06,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:06,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 03:14:06,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:06,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 03:14:06,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:14:06,137 INFO L87 Difference]: Start difference. First operand 329 states and 514 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:08,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:08,749 INFO L93 Difference]: Finished difference Result 651 states and 1020 transitions. [2022-02-15 03:14:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 03:14:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-02-15 03:14:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:08,752 INFO L225 Difference]: With dead ends: 651 [2022-02-15 03:14:08,752 INFO L226 Difference]: Without dead ends: 329 [2022-02-15 03:14:08,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:14:08,753 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 7 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:08,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 792 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 428 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:14:08,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-02-15 03:14:08,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-02-15 03:14:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 324 states have (on average 1.5709876543209877) internal successors, (509), 324 states have internal predecessors, (509), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 513 transitions. [2022-02-15 03:14:08,768 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 513 transitions. Word has length 132 [2022-02-15 03:14:08,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:08,769 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 513 transitions. [2022-02-15 03:14:08,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 513 transitions. [2022-02-15 03:14:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 03:14:08,771 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:08,771 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:08,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 03:14:08,771 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:08,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:08,772 INFO L85 PathProgramCache]: Analyzing trace with hash 547672484, now seen corresponding path program 1 times [2022-02-15 03:14:08,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:08,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768728297] [2022-02-15 03:14:08,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:08,802 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:08,802 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:08,809 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:14:09,265 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 03:14:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:14:09,619 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 03:14:09,620 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 03:14:09,626 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 03:14:09,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 03:14:09,632 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:09,635 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 03:14:09,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:14:09 BoogieIcfgContainer [2022-02-15 03:14:09,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 03:14:09,685 INFO L158 Benchmark]: Toolchain (without parser) took 84638.13ms. Allocated memory was 194.0MB in the beginning and 273.7MB in the end (delta: 79.7MB). Free memory was 138.9MB in the beginning and 94.7MB in the end (delta: 44.3MB). Peak memory consumption was 125.5MB. Max. memory is 8.0GB. [2022-02-15 03:14:09,685 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 194.0MB. Free memory was 157.4MB in the beginning and 157.3MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:14:09,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.46ms. Allocated memory was 194.0MB in the beginning and 273.7MB in the end (delta: 79.7MB). Free memory was 138.7MB in the beginning and 225.5MB in the end (delta: -86.8MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-02-15 03:14:09,686 INFO L158 Benchmark]: Boogie Preprocessor took 138.69ms. Allocated memory is still 273.7MB. Free memory was 225.5MB in the beginning and 217.8MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-15 03:14:09,688 INFO L158 Benchmark]: RCFGBuilder took 3191.16ms. Allocated memory is still 273.7MB. Free memory was 217.8MB in the beginning and 189.9MB in the end (delta: 27.9MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2022-02-15 03:14:09,689 INFO L158 Benchmark]: TraceAbstraction took 80685.04ms. Allocated memory is still 273.7MB. Free memory was 189.4MB in the beginning and 94.7MB in the end (delta: 94.8MB). Peak memory consumption was 96.3MB. Max. memory is 8.0GB. [2022-02-15 03:14:09,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 194.0MB. Free memory was 157.4MB in the beginning and 157.3MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 603.46ms. Allocated memory was 194.0MB in the beginning and 273.7MB in the end (delta: 79.7MB). Free memory was 138.7MB in the beginning and 225.5MB in the end (delta: -86.8MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.69ms. Allocated memory is still 273.7MB. Free memory was 225.5MB in the beginning and 217.8MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3191.16ms. Allocated memory is still 273.7MB. Free memory was 217.8MB in the beginning and 189.9MB in the end (delta: 27.9MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. * TraceAbstraction took 80685.04ms. Allocated memory is still 273.7MB. Free memory was 189.4MB in the beginning and 94.7MB in the end (delta: 94.8MB). Peak memory consumption was 96.3MB. 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 - UnprovableResult [Line: 1734]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) [L1161] EXPR s->cert [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND TRUE s->state == 8656 [L1586] EXPR s->session [L1586] EXPR s->s3 [L1586] EXPR (s->s3)->tmp.new_cipher [L1586] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1587] COND FALSE !(! tmp___9) [L1593] ret = __VERIFIER_nondet_int() [L1594] COND TRUE blastFlag == 2 [L1595] blastFlag = 3 [L1599] COND FALSE !(ret <= 0) [L1604] s->state = 8672 [L1605] s->init_num = 0 [L1606] COND FALSE !(! tmp___10) [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state [L1266] COND TRUE s->state == 8672 [L1615] ret = __VERIFIER_nondet_int() [L1616] COND TRUE blastFlag == 3 [L1734] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 184 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.6s, OverallIterations: 24, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 74.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 29 mSolverCounterUnknown, 1258 SdHoareTripleChecker+Valid, 73.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1258 mSDsluCounter, 10470 SdHoareTripleChecker+Invalid, 70.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6557 mSDsCounter, 516 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9202 IncrementalHoareTripleChecker+Invalid, 9747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 516 mSolverCounterUnsat, 3913 mSDtfsCounter, 9202 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=22, 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: 0.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 804 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-15 03:14:09,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...