/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 10:00:45,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 10:00:45,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 10:00:45,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 10:00:45,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 10:00:45,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 10:00:45,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 10:00:45,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 10:00:45,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 10:00:45,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 10:00:45,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 10:00:45,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 10:00:45,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 10:00:45,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 10:00:45,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 10:00:45,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 10:00:45,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 10:00:45,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 10:00:45,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 10:00:45,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 10:00:45,642 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 10:00:45,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 10:00:45,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 10:00:45,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 10:00:45,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 10:00:45,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-05 10:00:45,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-05 10:00:45,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-05 10:00:45,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-05 10:00:45,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-05 10:00:45,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-05 10:00:45,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 10:00:45,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 10:00:45,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 10:00:45,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-05 10:00:45,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 10:00:45,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 10:00:45,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-05 10:00:45,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-05 10:00:45,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-05 10:00:45,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-05 10:00:45,678 INFO L138 SettingsManager]: * Use SBE=true [2022-04-05 10:00:45,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 10:00:45,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 10:00:45,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 10:00:45,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 10:00:45,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 10:00:45,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-05 10:00:45,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-05 10:00:45,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-05 10:00:45,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-05 10:00:45,681 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 10:00:45,682 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 10:00:45,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 10:00:45,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 10:00:45,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 10:00:45,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 10:00:45,863 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 10:00:45,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-04-05 10:00:45,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad65c3529/80c8707f9fda49cdae3d7a89abaf8b4d/FLAG8c8d70903 [2022-04-05 10:00:46,359 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 10:00:46,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-04-05 10:00:46,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad65c3529/80c8707f9fda49cdae3d7a89abaf8b4d/FLAG8c8d70903 [2022-04-05 10:00:46,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad65c3529/80c8707f9fda49cdae3d7a89abaf8b4d [2022-04-05 10:00:46,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 10:00:46,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 10:00:46,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 10:00:46,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 10:00:46,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 10:00:46,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3745ed79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46, skipping insertion in model container [2022-04-05 10:00:46,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 10:00:46,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 10:00:46,766 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.16.i.cil-1.c[77378,77391] [2022-04-05 10:00:46,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 10:00:46,781 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 10:00:46,850 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.16.i.cil-1.c[77378,77391] [2022-04-05 10:00:46,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 10:00:46,863 INFO L208 MainTranslator]: Completed translation [2022-04-05 10:00:46,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46 WrapperNode [2022-04-05 10:00:46,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 10:00:46,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 10:00:46,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 10:00:46,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 10:00:46,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 10:00:46,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 10:00:46,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 10:00:46,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 10:00:46,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (1/1) ... [2022-04-05 10:00:46,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 10:00:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 10:00:47,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-05 10:00:47,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-05 10:00:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 10:00:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 10:00:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 10:00:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-04-05 10:00:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-04-05 10:00:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 10:00:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-05 10:00:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-05 10:00:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-05 10:00:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-05 10:00:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 10:00:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-05 10:00:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 10:00:47,210 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 10:00:47,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 10:00:48,133 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 10:00:48,478 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-04-05 10:00:48,478 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-04-05 10:00:48,487 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 10:00:48,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 10:00:48,493 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 10:00:48,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:00:48 BoogieIcfgContainer [2022-04-05 10:00:48,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 10:00:48,495 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 10:00:48,495 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 10:00:48,496 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 10:00:48,498 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:00:48" (1/1) ... [2022-04-05 10:00:48,499 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-05 10:00:48,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 10:00:48 BasicIcfg [2022-04-05 10:00:48,534 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 10:00:48,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 10:00:48,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 10:00:48,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 10:00:48,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 10:00:46" (1/4) ... [2022-04-05 10:00:48,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77660ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:00:48, skipping insertion in model container [2022-04-05 10:00:48,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:00:46" (2/4) ... [2022-04-05 10:00:48,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77660ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:00:48, skipping insertion in model container [2022-04-05 10:00:48,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:00:48" (3/4) ... [2022-04-05 10:00:48,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77660ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 10:00:48, skipping insertion in model container [2022-04-05 10:00:48,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 10:00:48" (4/4) ... [2022-04-05 10:00:48,548 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.16.i.cil-1.cqvasr [2022-04-05 10:00:48,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-05 10:00:48,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 10:00:48,592 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 10:00:48,598 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-05 10:00:48,598 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 10:00:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-05 10:00:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-05 10:00:48,626 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:00:48,626 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:00:48,627 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:00:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:00:48,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1778359795, now seen corresponding path program 1 times [2022-04-05 10:00:48,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:00:48,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108648671] [2022-04-05 10:00:48,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:00:48,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:00:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:00:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:00:49,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:00:49,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108648671] [2022-04-05 10:00:49,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108648671] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:00:49,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:00:49,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:00:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520771694] [2022-04-05 10:00:49,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:00:49,113 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:00:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:00:49,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:00:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:00:49,134 INFO L87 Difference]: Start difference. First operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 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 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:52,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:00:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:00:53,602 INFO L93 Difference]: Finished difference Result 350 states and 592 transitions. [2022-04-05 10:00:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:00:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-05 10:00:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:00:53,611 INFO L225 Difference]: With dead ends: 350 [2022-04-05 10:00:53,611 INFO L226 Difference]: Without dead ends: 178 [2022-04-05 10:00:53,613 INFO L912 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 [2022-04-05 10:00:53,615 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 34 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:00:53,616 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 655 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-04-05 10:00:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-04-05 10:00:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 161. [2022-04-05 10:00:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 156 states have internal predecessors, (246), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2022-04-05 10:00:53,645 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 50 [2022-04-05 10:00:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:00:53,646 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2022-04-05 10:00:53,646 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2022-04-05 10:00:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-05 10:00:53,648 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:00:53,648 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:00:53,648 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 10:00:53,648 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:00:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:00:53,649 INFO L85 PathProgramCache]: Analyzing trace with hash 309742957, now seen corresponding path program 1 times [2022-04-05 10:00:53,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:00:53,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13275983] [2022-04-05 10:00:53,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:00:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:00:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:00:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:00:53,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:00:53,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13275983] [2022-04-05 10:00:53,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13275983] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:00:53,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:00:53,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:00:53,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235368621] [2022-04-05 10:00:53,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:00:53,817 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:00:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:00:53,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:00:53,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:00:53,817 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:00:56,528 INFO L93 Difference]: Finished difference Result 421 states and 660 transitions. [2022-04-05 10:00:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:00:56,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 63 [2022-04-05 10:00:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:00:56,530 INFO L225 Difference]: With dead ends: 421 [2022-04-05 10:00:56,530 INFO L226 Difference]: Without dead ends: 286 [2022-04-05 10:00:56,531 INFO L912 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 [2022-04-05 10:00:56,532 INFO L913 BasicCegarLoop]: 291 mSDtfsCounter, 159 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-04-05 10:00:56,532 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 706 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-04-05 10:00:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-04-05 10:00:56,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 177. [2022-04-05 10:00:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.5755813953488371) internal successors, (271), 172 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 275 transitions. [2022-04-05 10:00:56,569 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 275 transitions. Word has length 63 [2022-04-05 10:00:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:00:56,569 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 275 transitions. [2022-04-05 10:00:56,569 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 275 transitions. [2022-04-05 10:00:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 10:00:56,571 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:00:56,571 INFO L499 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] [2022-04-05 10:00:56,571 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 10:00:56,571 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:00:56,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:00:56,572 INFO L85 PathProgramCache]: Analyzing trace with hash 98378695, now seen corresponding path program 1 times [2022-04-05 10:00:56,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:00:56,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506614136] [2022-04-05 10:00:56,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:00:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:00:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:00:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:00:56,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:00:56,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506614136] [2022-04-05 10:00:56,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506614136] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:00:56,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:00:56,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:00:56,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081008495] [2022-04-05 10:00:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:00:56,698 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:00:56,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:00:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:00:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:00:56,699 INFO L87 Difference]: Start difference. First operand 177 states and 275 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:58,710 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 [] [2022-04-05 10:00:59,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:00:59,135 INFO L93 Difference]: Finished difference Result 344 states and 533 transitions. [2022-04-05 10:00:59,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:00:59,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-04-05 10:00:59,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:00:59,137 INFO L225 Difference]: With dead ends: 344 [2022-04-05 10:00:59,137 INFO L226 Difference]: Without dead ends: 193 [2022-04-05 10:00:59,138 INFO L912 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 [2022-04-05 10:00:59,138 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 28 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:00:59,139 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 533 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 10:00:59,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-04-05 10:00:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-04-05 10:00:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.569767441860465) internal successors, (270), 172 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 274 transitions. [2022-04-05 10:00:59,145 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 274 transitions. Word has length 64 [2022-04-05 10:00:59,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:00:59,146 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 274 transitions. [2022-04-05 10:00:59,146 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:00:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 274 transitions. [2022-04-05 10:00:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 10:00:59,147 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:00:59,147 INFO L499 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] [2022-04-05 10:00:59,147 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 10:00:59,147 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:00:59,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:00:59,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1256068121, now seen corresponding path program 1 times [2022-04-05 10:00:59,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:00:59,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680574993] [2022-04-05 10:00:59,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:00:59,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:00:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:59,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:00:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:00:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:00:59,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:00:59,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680574993] [2022-04-05 10:00:59,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680574993] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:00:59,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:00:59,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:00:59,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716239274] [2022-04-05 10:00:59,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:00:59,256 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:00:59,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:00:59,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:00:59,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:00:59,257 INFO L87 Difference]: Start difference. First operand 177 states and 274 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:00,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:02,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:04,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:06,225 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 [] [2022-04-05 10:01:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:06,600 INFO L93 Difference]: Finished difference Result 344 states and 532 transitions. [2022-04-05 10:01:06,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:06,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-04-05 10:01:06,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:06,601 INFO L225 Difference]: With dead ends: 344 [2022-04-05 10:01:06,601 INFO L226 Difference]: Without dead ends: 193 [2022-04-05 10:01:06,602 INFO L912 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 [2022-04-05 10:01:06,603 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 26 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:06,603 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 533 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 376 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-04-05 10:01:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-04-05 10:01:06,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-04-05 10:01:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.563953488372093) internal successors, (269), 172 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 273 transitions. [2022-04-05 10:01:06,608 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 273 transitions. Word has length 64 [2022-04-05 10:01:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:06,609 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 273 transitions. [2022-04-05 10:01:06,609 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 273 transitions. [2022-04-05 10:01:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 10:01:06,610 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:06,610 INFO L499 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] [2022-04-05 10:01:06,610 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 10:01:06,610 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:06,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1981736999, now seen corresponding path program 1 times [2022-04-05 10:01:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:06,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784976532] [2022-04-05 10:01:06,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:06,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:06,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:06,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784976532] [2022-04-05 10:01:06,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784976532] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:06,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:06,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:06,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490874809] [2022-04-05 10:01:06,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:06,793 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:06,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:06,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:06,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:06,794 INFO L87 Difference]: Start difference. First operand 177 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:08,804 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 [] [2022-04-05 10:01:09,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:09,279 INFO L93 Difference]: Finished difference Result 453 states and 709 transitions. [2022-04-05 10:01:09,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:09,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-04-05 10:01:09,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:09,281 INFO L225 Difference]: With dead ends: 453 [2022-04-05 10:01:09,281 INFO L226 Difference]: Without dead ends: 302 [2022-04-05 10:01:09,282 INFO L912 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 [2022-04-05 10:01:09,282 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 158 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:09,282 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 390 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 10:01:09,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-04-05 10:01:09,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-04-05 10:01:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.566137566137566) internal successors, (296), 189 states have internal predecessors, (296), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 300 transitions. [2022-04-05 10:01:09,288 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 300 transitions. Word has length 64 [2022-04-05 10:01:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:09,289 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 300 transitions. [2022-04-05 10:01:09,289 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 300 transitions. [2022-04-05 10:01:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 10:01:09,289 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:09,290 INFO L499 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] [2022-04-05 10:01:09,290 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 10:01:09,290 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:09,290 INFO L85 PathProgramCache]: Analyzing trace with hash 672474951, now seen corresponding path program 1 times [2022-04-05 10:01:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:09,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171805694] [2022-04-05 10:01:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:09,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:09,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:09,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171805694] [2022-04-05 10:01:09,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171805694] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:09,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:09,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:09,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311587229] [2022-04-05 10:01:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:09,406 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:09,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:09,407 INFO L87 Difference]: Start difference. First operand 194 states and 300 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:11,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:13,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:14,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:15,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:15,328 INFO L93 Difference]: Finished difference Result 375 states and 583 transitions. [2022-04-05 10:01:15,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:15,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-04-05 10:01:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:15,330 INFO L225 Difference]: With dead ends: 375 [2022-04-05 10:01:15,330 INFO L226 Difference]: Without dead ends: 207 [2022-04-05 10:01:15,330 INFO L912 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 [2022-04-05 10:01:15,331 INFO L913 BasicCegarLoop]: 207 mSDtfsCounter, 18 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:15,331 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-04-05 10:01:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-05 10:01:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-04-05 10:01:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.560846560846561) internal successors, (295), 189 states have internal predecessors, (295), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 299 transitions. [2022-04-05 10:01:15,335 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 299 transitions. Word has length 64 [2022-04-05 10:01:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:15,336 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 299 transitions. [2022-04-05 10:01:15,336 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2022-04-05 10:01:15,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-05 10:01:15,337 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:15,337 INFO L499 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] [2022-04-05 10:01:15,337 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 10:01:15,337 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:15,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1965860051, now seen corresponding path program 1 times [2022-04-05 10:01:15,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:15,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32243580] [2022-04-05 10:01:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:15,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32243580] [2022-04-05 10:01:15,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32243580] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:15,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:15,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:15,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723901013] [2022-04-05 10:01:15,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:15,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:15,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:15,445 INFO L87 Difference]: Start difference. First operand 194 states and 299 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) [2022-04-05 10:01:16,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:18,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:20,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:22,946 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 [] [2022-04-05 10:01:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:23,296 INFO L93 Difference]: Finished difference Result 375 states and 582 transitions. [2022-04-05 10:01:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:23,297 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 [2022-04-05 10:01:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:23,298 INFO L225 Difference]: With dead ends: 375 [2022-04-05 10:01:23,298 INFO L226 Difference]: Without dead ends: 207 [2022-04-05 10:01:23,298 INFO L912 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 [2022-04-05 10:01:23,299 INFO L913 BasicCegarLoop]: 207 mSDtfsCounter, 22 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:23,299 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 369 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-04-05 10:01:23,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-05 10:01:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-04-05 10:01:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5555555555555556) internal successors, (294), 189 states have internal predecessors, (294), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 298 transitions. [2022-04-05 10:01:23,303 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 298 transitions. Word has length 65 [2022-04-05 10:01:23,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:23,303 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 298 transitions. [2022-04-05 10:01:23,303 INFO L479 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) [2022-04-05 10:01:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2022-04-05 10:01:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-05 10:01:23,304 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:23,304 INFO L499 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] [2022-04-05 10:01:23,304 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 10:01:23,304 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1094217131, now seen corresponding path program 1 times [2022-04-05 10:01:23,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:23,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098869199] [2022-04-05 10:01:23,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:23,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:23,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:23,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:23,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098869199] [2022-04-05 10:01:23,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098869199] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:23,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:23,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:23,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81457872] [2022-04-05 10:01:23,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:23,390 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:23,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:23,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:23,390 INFO L87 Difference]: Start difference. First operand 194 states and 298 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) [2022-04-05 10:01:25,404 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 [] [2022-04-05 10:01:25,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:25,877 INFO L93 Difference]: Finished difference Result 470 states and 733 transitions. [2022-04-05 10:01:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:25,878 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 [2022-04-05 10:01:25,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:25,879 INFO L225 Difference]: With dead ends: 470 [2022-04-05 10:01:25,879 INFO L226 Difference]: Without dead ends: 302 [2022-04-05 10:01:25,880 INFO L912 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 [2022-04-05 10:01:25,880 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 160 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:25,880 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 390 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 10:01:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-04-05 10:01:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-04-05 10:01:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5396825396825398) internal successors, (291), 189 states have internal predecessors, (291), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 295 transitions. [2022-04-05 10:01:25,885 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 295 transitions. Word has length 66 [2022-04-05 10:01:25,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:25,885 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 295 transitions. [2022-04-05 10:01:25,885 INFO L479 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) [2022-04-05 10:01:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 295 transitions. [2022-04-05 10:01:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-05 10:01:25,886 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:25,886 INFO L499 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] [2022-04-05 10:01:25,886 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 10:01:25,886 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:25,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:25,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1209786960, now seen corresponding path program 1 times [2022-04-05 10:01:25,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:25,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104135444] [2022-04-05 10:01:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:25,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:25,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104135444] [2022-04-05 10:01:25,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104135444] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:25,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:25,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:25,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431497086] [2022-04-05 10:01:25,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:25,975 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:25,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:25,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:25,975 INFO L87 Difference]: Start difference. First operand 194 states and 295 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) [2022-04-05 10:01:27,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:29,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:31,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:33,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:33,792 INFO L93 Difference]: Finished difference Result 365 states and 563 transitions. [2022-04-05 10:01:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:33,793 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 [2022-04-05 10:01:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:33,794 INFO L225 Difference]: With dead ends: 365 [2022-04-05 10:01:33,794 INFO L226 Difference]: Without dead ends: 197 [2022-04-05 10:01:33,794 INFO L912 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 [2022-04-05 10:01:33,795 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 11 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:33,795 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 553 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 356 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-04-05 10:01:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-04-05 10:01:33,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2022-04-05 10:01:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5343915343915344) internal successors, (290), 189 states have internal predecessors, (290), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2022-04-05 10:01:33,799 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 67 [2022-04-05 10:01:33,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:33,799 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2022-04-05 10:01:33,799 INFO L479 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) [2022-04-05 10:01:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2022-04-05 10:01:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-05 10:01:33,800 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:33,800 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:01:33,800 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 10:01:33,800 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:33,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1552237473, now seen corresponding path program 1 times [2022-04-05 10:01:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:33,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472740588] [2022-04-05 10:01:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:33,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:33,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472740588] [2022-04-05 10:01:33,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472740588] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:33,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:33,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:33,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684860504] [2022-04-05 10:01:33,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:33,908 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:33,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:33,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:33,908 INFO L87 Difference]: Start difference. First operand 194 states and 294 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) [2022-04-05 10:01:36,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:38,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:40,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:41,187 INFO L93 Difference]: Finished difference Result 488 states and 754 transitions. [2022-04-05 10:01:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:41,191 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 [2022-04-05 10:01:41,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:41,193 INFO L225 Difference]: With dead ends: 488 [2022-04-05 10:01:41,193 INFO L226 Difference]: Without dead ends: 320 [2022-04-05 10:01:41,193 INFO L912 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 [2022-04-05 10:01:41,194 INFO L913 BasicCegarLoop]: 134 mSDtfsCounter, 135 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 61 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:41,194 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 392 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 494 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2022-04-05 10:01:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-04-05 10:01:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 234. [2022-04-05 10:01:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.5720524017467248) internal successors, (360), 229 states have internal predecessors, (360), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 364 transitions. [2022-04-05 10:01:41,199 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 364 transitions. Word has length 67 [2022-04-05 10:01:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:41,199 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 364 transitions. [2022-04-05 10:01:41,199 INFO L479 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) [2022-04-05 10:01:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 364 transitions. [2022-04-05 10:01:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-05 10:01:41,200 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:41,200 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:01:41,200 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 10:01:41,200 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:41,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:41,200 INFO L85 PathProgramCache]: Analyzing trace with hash 37532662, now seen corresponding path program 1 times [2022-04-05 10:01:41,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:41,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413543047] [2022-04-05 10:01:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:41,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 10:01:41,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:41,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413543047] [2022-04-05 10:01:41,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413543047] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:41,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:41,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:41,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734460280] [2022-04-05 10:01:41,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:41,288 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:41,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:41,288 INFO L87 Difference]: Start difference. First operand 234 states and 364 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) [2022-04-05 10:01:43,782 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 [] [2022-04-05 10:01:45,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:47,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:48,275 INFO L93 Difference]: Finished difference Result 550 states and 867 transitions. [2022-04-05 10:01:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:48,275 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 [2022-04-05 10:01:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:48,276 INFO L225 Difference]: With dead ends: 550 [2022-04-05 10:01:48,276 INFO L226 Difference]: Without dead ends: 342 [2022-04-05 10:01:48,277 INFO L912 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 [2022-04-05 10:01:48,277 INFO L913 BasicCegarLoop]: 145 mSDtfsCounter, 134 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:48,278 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 502 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-04-05 10:01:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-04-05 10:01:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 257. [2022-04-05 10:01:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.6071428571428572) internal successors, (405), 252 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 409 transitions. [2022-04-05 10:01:48,283 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 409 transitions. Word has length 68 [2022-04-05 10:01:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:48,283 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 409 transitions. [2022-04-05 10:01:48,283 INFO L479 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) [2022-04-05 10:01:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 409 transitions. [2022-04-05 10:01:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-04-05 10:01:48,284 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:48,284 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:01:48,284 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 10:01:48,284 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:48,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1986857855, now seen corresponding path program 1 times [2022-04-05 10:01:48,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:48,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796801786] [2022-04-05 10:01:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:48,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-04-05 10:01:48,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:48,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796801786] [2022-04-05 10:01:48,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796801786] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:48,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:48,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:48,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210493765] [2022-04-05 10:01:48,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:48,407 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:48,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:48,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:48,407 INFO L87 Difference]: Start difference. First operand 257 states and 409 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) [2022-04-05 10:01:51,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:53,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:54,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:54,205 INFO L93 Difference]: Finished difference Result 529 states and 849 transitions. [2022-04-05 10:01:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:54,205 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 96 [2022-04-05 10:01:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:54,207 INFO L225 Difference]: With dead ends: 529 [2022-04-05 10:01:54,207 INFO L226 Difference]: Without dead ends: 298 [2022-04-05 10:01:54,207 INFO L912 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 [2022-04-05 10:01:54,208 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 31 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:54,208 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 555 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-04-05 10:01:54,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-04-05 10:01:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 279. [2022-04-05 10:01:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.6058394160583942) internal successors, (440), 274 states have internal predecessors, (440), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 444 transitions. [2022-04-05 10:01:54,213 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 444 transitions. Word has length 96 [2022-04-05 10:01:54,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:54,213 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 444 transitions. [2022-04-05 10:01:54,213 INFO L479 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) [2022-04-05 10:01:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2022-04-05 10:01:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-05 10:01:54,214 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:54,214 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:01:54,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 10:01:54,214 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:54,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:54,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1890503815, now seen corresponding path program 1 times [2022-04-05 10:01:54,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:54,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431225326] [2022-04-05 10:01:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:01:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:01:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-05 10:01:54,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:01:54,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431225326] [2022-04-05 10:01:54,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431225326] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:01:54,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:01:54,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:01:54,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956504928] [2022-04-05 10:01:54,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:01:54,306 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:01:54,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:01:54,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:01:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:01:54,306 INFO L87 Difference]: Start difference. First operand 279 states and 444 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:55,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:57,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:01:59,568 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 [] [2022-04-05 10:01:59,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:01:59,942 INFO L93 Difference]: Finished difference Result 545 states and 874 transitions. [2022-04-05 10:01:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:01:59,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 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 110 [2022-04-05 10:01:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:01:59,943 INFO L225 Difference]: With dead ends: 545 [2022-04-05 10:01:59,943 INFO L226 Difference]: Without dead ends: 292 [2022-04-05 10:01:59,944 INFO L912 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 [2022-04-05 10:01:59,944 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 21 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-04-05 10:01:59,944 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 620 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 413 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-04-05 10:01:59,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-04-05 10:01:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2022-04-05 10:01:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.602189781021898) internal successors, (439), 274 states have internal predecessors, (439), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 443 transitions. [2022-04-05 10:01:59,949 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 443 transitions. Word has length 110 [2022-04-05 10:01:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:01:59,949 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 443 transitions. [2022-04-05 10:01:59,950 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:01:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2022-04-05 10:01:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-05 10:01:59,950 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:01:59,950 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-04-05 10:01:59,950 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 10:01:59,951 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:01:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:01:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1976531207, now seen corresponding path program 1 times [2022-04-05 10:01:59,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:01:59,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950402073] [2022-04-05 10:01:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:01:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:01:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-04-05 10:02:00,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:00,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950402073] [2022-04-05 10:02:00,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950402073] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:00,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:00,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:00,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465785092] [2022-04-05 10:02:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:00,060 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:00,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:00,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:00,061 INFO L87 Difference]: Start difference. First operand 279 states and 443 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) [2022-04-05 10:02:01,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:03,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:05,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:06,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:06,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:06,730 INFO L93 Difference]: Finished difference Result 550 states and 880 transitions. [2022-04-05 10:02:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:06,730 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 110 [2022-04-05 10:02:06,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:06,731 INFO L225 Difference]: With dead ends: 550 [2022-04-05 10:02:06,731 INFO L226 Difference]: Without dead ends: 297 [2022-04-05 10:02:06,732 INFO L912 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 [2022-04-05 10:02:06,732 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 34 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:06,733 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 405 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-04-05 10:02:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-04-05 10:02:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2022-04-05 10:02:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.5985401459854014) internal successors, (438), 274 states have internal predecessors, (438), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 442 transitions. [2022-04-05 10:02:06,737 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 442 transitions. Word has length 110 [2022-04-05 10:02:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:06,737 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 442 transitions. [2022-04-05 10:02:06,738 INFO L479 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) [2022-04-05 10:02:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 442 transitions. [2022-04-05 10:02:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-04-05 10:02:06,738 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:06,738 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:06,738 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 10:02:06,739 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:06,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:06,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1574692822, now seen corresponding path program 1 times [2022-04-05 10:02:06,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:06,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806460337] [2022-04-05 10:02:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:06,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-04-05 10:02:06,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:06,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806460337] [2022-04-05 10:02:06,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806460337] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:06,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:06,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 10:02:06,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807151788] [2022-04-05 10:02:06,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:06,846 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 10:02:06,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:06,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 10:02:06,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 10:02:06,846 INFO L87 Difference]: Start difference. First operand 279 states and 442 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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) [2022-04-05 10:02:09,489 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 [] [2022-04-05 10:02:11,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:13,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:14,309 INFO L93 Difference]: Finished difference Result 541 states and 866 transitions. [2022-04-05 10:02:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 10:02:14,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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 111 [2022-04-05 10:02:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:14,310 INFO L225 Difference]: With dead ends: 541 [2022-04-05 10:02:14,310 INFO L226 Difference]: Without dead ends: 288 [2022-04-05 10:02:14,311 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 10:02:14,311 INFO L913 BasicCegarLoop]: 219 mSDtfsCounter, 3 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:14,311 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 697 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 449 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-04-05 10:02:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-04-05 10:02:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-04-05 10:02:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5865724381625441) internal successors, (449), 283 states have internal predecessors, (449), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 453 transitions. [2022-04-05 10:02:14,316 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 453 transitions. Word has length 111 [2022-04-05 10:02:14,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:14,316 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 453 transitions. [2022-04-05 10:02:14,316 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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) [2022-04-05 10:02:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 453 transitions. [2022-04-05 10:02:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-04-05 10:02:14,317 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:14,317 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:14,317 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 10:02:14,317 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:14,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1141643190, now seen corresponding path program 1 times [2022-04-05 10:02:14,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:14,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659389370] [2022-04-05 10:02:14,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:14,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-04-05 10:02:14,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:14,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659389370] [2022-04-05 10:02:14,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659389370] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:14,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:14,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:14,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719678587] [2022-04-05 10:02:14,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:14,419 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:14,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:14,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:14,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:14,419 INFO L87 Difference]: Start difference. First operand 288 states and 453 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) [2022-04-05 10:02:15,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:17,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:18,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:20,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:21,218 INFO L93 Difference]: Finished difference Result 577 states and 911 transitions. [2022-04-05 10:02:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:21,218 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 111 [2022-04-05 10:02:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:21,220 INFO L225 Difference]: With dead ends: 577 [2022-04-05 10:02:21,220 INFO L226 Difference]: Without dead ends: 315 [2022-04-05 10:02:21,220 INFO L912 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 [2022-04-05 10:02:21,221 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 39 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:21,221 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-04-05 10:02:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-04-05 10:02:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2022-04-05 10:02:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5830388692579505) internal successors, (448), 283 states have internal predecessors, (448), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 452 transitions. [2022-04-05 10:02:21,225 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 452 transitions. Word has length 111 [2022-04-05 10:02:21,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:21,226 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 452 transitions. [2022-04-05 10:02:21,226 INFO L479 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) [2022-04-05 10:02:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 452 transitions. [2022-04-05 10:02:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-05 10:02:21,226 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:21,227 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:21,227 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 10:02:21,227 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:21,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1562282836, now seen corresponding path program 1 times [2022-04-05 10:02:21,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:21,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659411049] [2022-04-05 10:02:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-04-05 10:02:21,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:21,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659411049] [2022-04-05 10:02:21,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659411049] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:21,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:21,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825923790] [2022-04-05 10:02:21,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:21,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:21,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:21,328 INFO L87 Difference]: Start difference. First operand 288 states and 452 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) [2022-04-05 10:02:22,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:24,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:26,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:28,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:28,763 INFO L93 Difference]: Finished difference Result 644 states and 1008 transitions. [2022-04-05 10:02:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:28,764 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 112 [2022-04-05 10:02:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:28,765 INFO L225 Difference]: With dead ends: 644 [2022-04-05 10:02:28,765 INFO L226 Difference]: Without dead ends: 382 [2022-04-05 10:02:28,766 INFO L912 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 [2022-04-05 10:02:28,766 INFO L913 BasicCegarLoop]: 145 mSDtfsCounter, 160 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:28,766 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 503 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-04-05 10:02:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-04-05 10:02:28,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 288. [2022-04-05 10:02:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.568904593639576) internal successors, (444), 283 states have internal predecessors, (444), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 448 transitions. [2022-04-05 10:02:28,771 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 448 transitions. Word has length 112 [2022-04-05 10:02:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:28,771 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 448 transitions. [2022-04-05 10:02:28,771 INFO L479 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) [2022-04-05 10:02:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2022-04-05 10:02:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-04-05 10:02:28,772 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:28,772 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:28,772 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 10:02:28,772 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash -452187025, now seen corresponding path program 1 times [2022-04-05 10:02:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:28,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171962375] [2022-04-05 10:02:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-04-05 10:02:28,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:28,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171962375] [2022-04-05 10:02:28,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171962375] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:28,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:28,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:28,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530701086] [2022-04-05 10:02:28,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:28,866 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:28,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:28,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:28,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:28,866 INFO L87 Difference]: Start difference. First operand 288 states and 448 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) [2022-04-05 10:02:30,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:32,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:34,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:34,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:34,674 INFO L93 Difference]: Finished difference Result 567 states and 888 transitions. [2022-04-05 10:02:34,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:34,675 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 114 [2022-04-05 10:02:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:34,676 INFO L225 Difference]: With dead ends: 567 [2022-04-05 10:02:34,676 INFO L226 Difference]: Without dead ends: 305 [2022-04-05 10:02:34,676 INFO L912 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 [2022-04-05 10:02:34,677 INFO L913 BasicCegarLoop]: 215 mSDtfsCounter, 33 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:34,677 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 559 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-04-05 10:02:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-04-05 10:02:34,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-04-05 10:02:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5653710247349824) internal successors, (443), 283 states have internal predecessors, (443), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 447 transitions. [2022-04-05 10:02:34,682 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 447 transitions. Word has length 114 [2022-04-05 10:02:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:34,682 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 447 transitions. [2022-04-05 10:02:34,682 INFO L479 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) [2022-04-05 10:02:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 447 transitions. [2022-04-05 10:02:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-04-05 10:02:34,683 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:34,683 INFO L499 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] [2022-04-05 10:02:34,683 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 10:02:34,683 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1883754976, now seen corresponding path program 1 times [2022-04-05 10:02:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:34,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115031109] [2022-04-05 10:02:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:34,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 10:02:34,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:34,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115031109] [2022-04-05 10:02:34,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115031109] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:34,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:34,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:34,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641660205] [2022-04-05 10:02:34,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:34,773 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:34,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:34,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:34,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:34,773 INFO L87 Difference]: Start difference. First operand 288 states and 447 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:36,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:37,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:39,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:41,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:42,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:42,205 INFO L93 Difference]: Finished difference Result 659 states and 1029 transitions. [2022-04-05 10:02:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:42,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 118 [2022-04-05 10:02:42,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:42,207 INFO L225 Difference]: With dead ends: 659 [2022-04-05 10:02:42,207 INFO L226 Difference]: Without dead ends: 397 [2022-04-05 10:02:42,208 INFO L912 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 [2022-04-05 10:02:42,208 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 98 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:42,209 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 553 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 543 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-04-05 10:02:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-04-05 10:02:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 322. [2022-04-05 10:02:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 317 states have internal predecessors, (499), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 503 transitions. [2022-04-05 10:02:42,215 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 503 transitions. Word has length 118 [2022-04-05 10:02:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:42,215 INFO L478 AbstractCegarLoop]: Abstraction has 322 states and 503 transitions. [2022-04-05 10:02:42,215 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 503 transitions. [2022-04-05 10:02:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-04-05 10:02:42,216 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:42,216 INFO L499 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] [2022-04-05 10:02:42,216 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 10:02:42,216 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:42,216 INFO L85 PathProgramCache]: Analyzing trace with hash -929526081, now seen corresponding path program 1 times [2022-04-05 10:02:42,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:42,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050742646] [2022-04-05 10:02:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-05 10:02:42,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:42,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050742646] [2022-04-05 10:02:42,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050742646] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:42,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:42,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:42,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339637051] [2022-04-05 10:02:42,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:42,324 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:42,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:42,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:42,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:42,325 INFO L87 Difference]: Start difference. First operand 322 states and 503 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:44,893 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 [] [2022-04-05 10:02:46,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:47,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:47,142 INFO L93 Difference]: Finished difference Result 675 states and 1058 transitions. [2022-04-05 10:02:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:47,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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 118 [2022-04-05 10:02:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:47,144 INFO L225 Difference]: With dead ends: 675 [2022-04-05 10:02:47,144 INFO L226 Difference]: Without dead ends: 379 [2022-04-05 10:02:47,145 INFO L912 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 [2022-04-05 10:02:47,145 INFO L913 BasicCegarLoop]: 263 mSDtfsCounter, 38 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:47,145 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 655 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-04-05 10:02:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-04-05 10:02:47,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 346. [2022-04-05 10:02:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5747800586510263) internal successors, (537), 341 states have internal predecessors, (537), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 541 transitions. [2022-04-05 10:02:47,150 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 541 transitions. Word has length 118 [2022-04-05 10:02:47,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:47,150 INFO L478 AbstractCegarLoop]: Abstraction has 346 states and 541 transitions. [2022-04-05 10:02:47,151 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 541 transitions. [2022-04-05 10:02:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-04-05 10:02:47,151 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:47,151 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:47,152 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 10:02:47,152 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:47,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:47,152 INFO L85 PathProgramCache]: Analyzing trace with hash 638819263, now seen corresponding path program 1 times [2022-04-05 10:02:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:47,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361709475] [2022-04-05 10:02:47,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-04-05 10:02:47,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:47,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361709475] [2022-04-05 10:02:47,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361709475] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:47,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:47,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180725665] [2022-04-05 10:02:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:47,247 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:47,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:47,247 INFO L87 Difference]: Start difference. First operand 346 states and 541 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) [2022-04-05 10:02:50,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:52,505 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 [] [2022-04-05 10:02:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:02:52,906 INFO L93 Difference]: Finished difference Result 750 states and 1174 transitions. [2022-04-05 10:02:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:02:52,906 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 123 [2022-04-05 10:02:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:02:52,907 INFO L225 Difference]: With dead ends: 750 [2022-04-05 10:02:52,907 INFO L226 Difference]: Without dead ends: 430 [2022-04-05 10:02:52,908 INFO L912 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 [2022-04-05 10:02:52,908 INFO L913 BasicCegarLoop]: 134 mSDtfsCounter, 161 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-04-05 10:02:52,908 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 392 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-04-05 10:02:52,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-04-05 10:02:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 346. [2022-04-05 10:02:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5571847507331378) internal successors, (531), 341 states have internal predecessors, (531), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 535 transitions. [2022-04-05 10:02:52,915 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 535 transitions. Word has length 123 [2022-04-05 10:02:52,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:02:52,916 INFO L478 AbstractCegarLoop]: Abstraction has 346 states and 535 transitions. [2022-04-05 10:02:52,916 INFO L479 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) [2022-04-05 10:02:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 535 transitions. [2022-04-05 10:02:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-04-05 10:02:52,916 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:02:52,917 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:02:52,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 10:02:52,917 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:02:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:02:52,917 INFO L85 PathProgramCache]: Analyzing trace with hash -194713814, now seen corresponding path program 1 times [2022-04-05 10:02:52,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:02:52,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779101518] [2022-04-05 10:02:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:02:52,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:02:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:02:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:02:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 10:02:53,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:02:53,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779101518] [2022-04-05 10:02:53,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779101518] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:02:53,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:02:53,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:02:53,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469684863] [2022-04-05 10:02:53,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:02:53,028 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:02:53,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:02:53,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:02:53,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:02:53,029 INFO L87 Difference]: Start difference. First operand 346 states and 535 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:02:54,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:56,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:02:58,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:00,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:00,556 INFO L93 Difference]: Finished difference Result 790 states and 1230 transitions. [2022-04-05 10:03:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:00,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 124 [2022-04-05 10:03:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:00,558 INFO L225 Difference]: With dead ends: 790 [2022-04-05 10:03:00,558 INFO L226 Difference]: Without dead ends: 470 [2022-04-05 10:03:00,558 INFO L912 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 [2022-04-05 10:03:00,559 INFO L913 BasicCegarLoop]: 134 mSDtfsCounter, 134 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:00,559 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 392 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2022-04-05 10:03:00,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-04-05 10:03:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 383. [2022-04-05 10:03:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.5687830687830688) internal successors, (593), 378 states have internal predecessors, (593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 597 transitions. [2022-04-05 10:03:00,565 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 597 transitions. Word has length 124 [2022-04-05 10:03:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:00,565 INFO L478 AbstractCegarLoop]: Abstraction has 383 states and 597 transitions. [2022-04-05 10:03:00,565 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 597 transitions. [2022-04-05 10:03:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-04-05 10:03:00,566 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:00,566 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:03:00,566 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-05 10:03:00,566 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:00,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 615512470, now seen corresponding path program 1 times [2022-04-05 10:03:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:00,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368434915] [2022-04-05 10:03:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 10:03:00,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:00,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368434915] [2022-04-05 10:03:00,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368434915] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:00,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:00,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867046762] [2022-04-05 10:03:00,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:00,650 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:00,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:00,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:00,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:00,650 INFO L87 Difference]: Start difference. First operand 383 states and 597 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:03,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:05,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:07,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:08,055 INFO L93 Difference]: Finished difference Result 802 states and 1255 transitions. [2022-04-05 10:03:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:08,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 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 125 [2022-04-05 10:03:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:08,057 INFO L225 Difference]: With dead ends: 802 [2022-04-05 10:03:08,057 INFO L226 Difference]: Without dead ends: 445 [2022-04-05 10:03:08,057 INFO L912 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 [2022-04-05 10:03:08,058 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 86 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:08,058 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 523 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 519 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-04-05 10:03:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-04-05 10:03:08,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-04-05 10:03:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5703125) internal successors, (603), 384 states have internal predecessors, (603), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 607 transitions. [2022-04-05 10:03:08,064 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 607 transitions. Word has length 125 [2022-04-05 10:03:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:08,064 INFO L478 AbstractCegarLoop]: Abstraction has 389 states and 607 transitions. [2022-04-05 10:03:08,064 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 607 transitions. [2022-04-05 10:03:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-05 10:03:08,065 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:08,065 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2022-04-05 10:03:08,065 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-05 10:03:08,065 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash 19132518, now seen corresponding path program 1 times [2022-04-05 10:03:08,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:08,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923743852] [2022-04-05 10:03:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:08,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:08,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:08,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923743852] [2022-04-05 10:03:08,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923743852] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:08,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:08,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:08,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447932352] [2022-04-05 10:03:08,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:08,155 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:08,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:08,155 INFO L87 Difference]: Start difference. First operand 389 states and 607 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:11,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:13,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:13,827 INFO L93 Difference]: Finished difference Result 835 states and 1305 transitions. [2022-04-05 10:03:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:13,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 132 [2022-04-05 10:03:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:13,829 INFO L225 Difference]: With dead ends: 835 [2022-04-05 10:03:13,829 INFO L226 Difference]: Without dead ends: 472 [2022-04-05 10:03:13,829 INFO L912 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 [2022-04-05 10:03:13,830 INFO L913 BasicCegarLoop]: 135 mSDtfsCounter, 153 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:13,830 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-04-05 10:03:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-04-05 10:03:13,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 389. [2022-04-05 10:03:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5572916666666667) internal successors, (598), 384 states have internal predecessors, (598), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 602 transitions. [2022-04-05 10:03:13,836 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 602 transitions. Word has length 132 [2022-04-05 10:03:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:13,836 INFO L478 AbstractCegarLoop]: Abstraction has 389 states and 602 transitions. [2022-04-05 10:03:13,836 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 602 transitions. [2022-04-05 10:03:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-05 10:03:13,837 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:13,837 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:03:13,837 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-05 10:03:13,837 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:13,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:13,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1069531404, now seen corresponding path program 1 times [2022-04-05 10:03:13,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:13,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805804011] [2022-04-05 10:03:13,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:13,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 10:03:13,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:13,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805804011] [2022-04-05 10:03:13,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805804011] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:13,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:13,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:13,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15588155] [2022-04-05 10:03:13,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:13,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:13,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:13,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:13,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:13,920 INFO L87 Difference]: Start difference. First operand 389 states and 602 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:16,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:18,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:20,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:20,854 INFO L93 Difference]: Finished difference Result 875 states and 1361 transitions. [2022-04-05 10:03:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:20,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-04-05 10:03:20,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:20,856 INFO L225 Difference]: With dead ends: 875 [2022-04-05 10:03:20,856 INFO L226 Difference]: Without dead ends: 512 [2022-04-05 10:03:20,856 INFO L912 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 [2022-04-05 10:03:20,857 INFO L913 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 58 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:20,857 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 419 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 499 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2022-04-05 10:03:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-04-05 10:03:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 432. [2022-04-05 10:03:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.5667447306791569) internal successors, (669), 427 states have internal predecessors, (669), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 673 transitions. [2022-04-05 10:03:20,863 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 673 transitions. Word has length 132 [2022-04-05 10:03:20,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:20,863 INFO L478 AbstractCegarLoop]: Abstraction has 432 states and 673 transitions. [2022-04-05 10:03:20,863 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 673 transitions. [2022-04-05 10:03:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-04-05 10:03:20,864 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:20,864 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:03:20,864 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-05 10:03:20,864 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:20,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1691460405, now seen corresponding path program 1 times [2022-04-05 10:03:20,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:20,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504485624] [2022-04-05 10:03:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:20,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:20,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504485624] [2022-04-05 10:03:20,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504485624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:20,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:20,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:20,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288066339] [2022-04-05 10:03:20,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:20,954 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:20,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:20,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:20,954 INFO L87 Difference]: Start difference. First operand 432 states and 673 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:22,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:24,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:26,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:27,386 INFO L93 Difference]: Finished difference Result 921 states and 1437 transitions. [2022-04-05 10:03:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:27,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 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 133 [2022-04-05 10:03:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:27,387 INFO L225 Difference]: With dead ends: 921 [2022-04-05 10:03:27,387 INFO L226 Difference]: Without dead ends: 515 [2022-04-05 10:03:27,388 INFO L912 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 [2022-04-05 10:03:27,388 INFO L913 BasicCegarLoop]: 135 mSDtfsCounter, 158 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:27,389 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-04-05 10:03:27,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-04-05 10:03:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 432. [2022-04-05 10:03:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.550351288056206) internal successors, (662), 427 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 666 transitions. [2022-04-05 10:03:27,395 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 666 transitions. Word has length 133 [2022-04-05 10:03:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:27,395 INFO L478 AbstractCegarLoop]: Abstraction has 432 states and 666 transitions. [2022-04-05 10:03:27,395 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 666 transitions. [2022-04-05 10:03:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-04-05 10:03:27,396 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:27,396 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:03:27,397 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-05 10:03:27,397 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:27,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:27,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1213881734, now seen corresponding path program 1 times [2022-04-05 10:03:27,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:27,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182447858] [2022-04-05 10:03:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 10:03:27,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:27,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182447858] [2022-04-05 10:03:27,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182447858] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:27,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:27,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:27,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371341708] [2022-04-05 10:03:27,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:27,479 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:27,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:27,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:27,479 INFO L87 Difference]: Start difference. First operand 432 states and 666 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:30,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:31,075 INFO L93 Difference]: Finished difference Result 921 states and 1423 transitions. [2022-04-05 10:03:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:31,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 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 133 [2022-04-05 10:03:31,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:31,077 INFO L225 Difference]: With dead ends: 921 [2022-04-05 10:03:31,077 INFO L226 Difference]: Without dead ends: 513 [2022-04-05 10:03:31,077 INFO L912 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 [2022-04-05 10:03:31,077 INFO L913 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:31,078 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-04-05 10:03:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-04-05 10:03:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2022-04-05 10:03:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5501165501165501) internal successors, (665), 429 states have internal predecessors, (665), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 669 transitions. [2022-04-05 10:03:31,084 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 669 transitions. Word has length 133 [2022-04-05 10:03:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:31,084 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 669 transitions. [2022-04-05 10:03:31,084 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 669 transitions. [2022-04-05 10:03:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-04-05 10:03:31,085 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:31,085 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:03:31,085 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-05 10:03:31,085 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:31,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:31,085 INFO L85 PathProgramCache]: Analyzing trace with hash 948427854, now seen corresponding path program 1 times [2022-04-05 10:03:31,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:31,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116241248] [2022-04-05 10:03:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:31,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:31,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116241248] [2022-04-05 10:03:31,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116241248] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:31,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:31,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:31,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652390452] [2022-04-05 10:03:31,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:31,167 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:31,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:31,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:31,168 INFO L87 Difference]: Start difference. First operand 434 states and 669 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:32,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:34,223 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 [] [2022-04-05 10:03:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:35,520 INFO L93 Difference]: Finished difference Result 880 states and 1362 transitions. [2022-04-05 10:03:35,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:35,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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 136 [2022-04-05 10:03:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:35,522 INFO L225 Difference]: With dead ends: 880 [2022-04-05 10:03:35,522 INFO L226 Difference]: Without dead ends: 472 [2022-04-05 10:03:35,522 INFO L912 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 [2022-04-05 10:03:35,523 INFO L913 BasicCegarLoop]: 207 mSDtfsCounter, 88 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:35,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 543 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 499 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-04-05 10:03:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-04-05 10:03:35,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-04-05 10:03:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5477855477855478) internal successors, (664), 429 states have internal predecessors, (664), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 668 transitions. [2022-04-05 10:03:35,535 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 668 transitions. Word has length 136 [2022-04-05 10:03:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:35,535 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 668 transitions. [2022-04-05 10:03:35,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 668 transitions. [2022-04-05 10:03:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-04-05 10:03:35,536 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:35,536 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:03:35,536 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-05 10:03:35,536 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1696402643, now seen corresponding path program 1 times [2022-04-05 10:03:35,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:35,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37805677] [2022-04-05 10:03:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:35,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:35,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37805677] [2022-04-05 10:03:35,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37805677] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:35,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:35,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202975040] [2022-04-05 10:03:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:35,635 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:35,636 INFO L87 Difference]: Start difference. First operand 434 states and 668 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:37,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:38,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:40,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:41,432 INFO L93 Difference]: Finished difference Result 854 states and 1323 transitions. [2022-04-05 10:03:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:41,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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 136 [2022-04-05 10:03:41,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:41,433 INFO L225 Difference]: With dead ends: 854 [2022-04-05 10:03:41,433 INFO L226 Difference]: Without dead ends: 446 [2022-04-05 10:03:41,434 INFO L912 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 [2022-04-05 10:03:41,434 INFO L913 BasicCegarLoop]: 254 mSDtfsCounter, 36 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:41,434 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 637 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-04-05 10:03:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-04-05 10:03:41,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 434. [2022-04-05 10:03:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5454545454545454) internal successors, (663), 429 states have internal predecessors, (663), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 667 transitions. [2022-04-05 10:03:41,440 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 667 transitions. Word has length 136 [2022-04-05 10:03:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:41,440 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 667 transitions. [2022-04-05 10:03:41,440 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 667 transitions. [2022-04-05 10:03:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-04-05 10:03:41,441 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:41,441 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:03:41,441 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-05 10:03:41,441 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:41,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1332153182, now seen corresponding path program 1 times [2022-04-05 10:03:41,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:41,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781104153] [2022-04-05 10:03:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:41,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:41,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:41,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781104153] [2022-04-05 10:03:41,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781104153] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:41,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:41,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:41,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559295104] [2022-04-05 10:03:41,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:41,524 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:41,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:41,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:41,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:41,525 INFO L87 Difference]: Start difference. First operand 434 states and 667 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:44,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:45,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:45,923 INFO L93 Difference]: Finished difference Result 880 states and 1358 transitions. [2022-04-05 10:03:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:45,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 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 140 [2022-04-05 10:03:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:45,925 INFO L225 Difference]: With dead ends: 880 [2022-04-05 10:03:45,925 INFO L226 Difference]: Without dead ends: 472 [2022-04-05 10:03:45,925 INFO L912 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 [2022-04-05 10:03:45,926 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 78 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:45,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 559 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-04-05 10:03:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-04-05 10:03:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-04-05 10:03:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.543123543123543) internal successors, (662), 429 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 666 transitions. [2022-04-05 10:03:45,932 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 666 transitions. Word has length 140 [2022-04-05 10:03:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:45,932 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 666 transitions. [2022-04-05 10:03:45,932 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 666 transitions. [2022-04-05 10:03:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-04-05 10:03:45,933 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:45,933 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:03:45,933 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-05 10:03:45,933 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:45,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1317903037, now seen corresponding path program 1 times [2022-04-05 10:03:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:45,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166175871] [2022-04-05 10:03:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 10:03:46,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:46,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166175871] [2022-04-05 10:03:46,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166175871] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:46,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:46,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:46,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437696733] [2022-04-05 10:03:46,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:46,037 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:46,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:46,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:46,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:46,038 INFO L87 Difference]: Start difference. First operand 434 states and 666 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:47,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:49,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:50,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:51,355 INFO L93 Difference]: Finished difference Result 999 states and 1545 transitions. [2022-04-05 10:03:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:51,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 140 [2022-04-05 10:03:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:51,357 INFO L225 Difference]: With dead ends: 999 [2022-04-05 10:03:51,357 INFO L226 Difference]: Without dead ends: 591 [2022-04-05 10:03:51,357 INFO L912 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 [2022-04-05 10:03:51,358 INFO L913 BasicCegarLoop]: 154 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:51,358 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 432 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-04-05 10:03:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-04-05 10:03:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 498. [2022-04-05 10:03:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5456389452332657) internal successors, (762), 493 states have internal predecessors, (762), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2022-04-05 10:03:51,364 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 140 [2022-04-05 10:03:51,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:51,365 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2022-04-05 10:03:51,365 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2022-04-05 10:03:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-04-05 10:03:51,366 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:51,366 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:03:51,366 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-05 10:03:51,366 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:51,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:51,366 INFO L85 PathProgramCache]: Analyzing trace with hash -33221834, now seen corresponding path program 1 times [2022-04-05 10:03:51,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:51,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976278584] [2022-04-05 10:03:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:51,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:51,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976278584] [2022-04-05 10:03:51,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976278584] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:51,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:51,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780959534] [2022-04-05 10:03:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:51,446 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:51,446 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:52,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:54,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:03:54,424 INFO L93 Difference]: Finished difference Result 1008 states and 1556 transitions. [2022-04-05 10:03:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:03:54,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 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 145 [2022-04-05 10:03:54,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:03:54,426 INFO L225 Difference]: With dead ends: 1008 [2022-04-05 10:03:54,426 INFO L226 Difference]: Without dead ends: 536 [2022-04-05 10:03:54,426 INFO L912 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 [2022-04-05 10:03:54,426 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 71 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-04-05 10:03:54,427 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 559 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-04-05 10:03:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-04-05 10:03:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 498. [2022-04-05 10:03:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5436105476673427) internal successors, (761), 493 states have internal predecessors, (761), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 765 transitions. [2022-04-05 10:03:54,433 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 765 transitions. Word has length 145 [2022-04-05 10:03:54,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:03:54,433 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 765 transitions. [2022-04-05 10:03:54,433 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:03:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 765 transitions. [2022-04-05 10:03:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-04-05 10:03:54,434 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:03:54,434 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-05 10:03:54,434 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-05 10:03:54,434 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:03:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:03:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash 946421911, now seen corresponding path program 1 times [2022-04-05 10:03:54,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:03:54,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083485366] [2022-04-05 10:03:54,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:03:54,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:03:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:03:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:03:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:03:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:03:54,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083485366] [2022-04-05 10:03:54,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083485366] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:03:54,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:03:54,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:03:54,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171839955] [2022-04-05 10:03:54,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:03:54,512 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:03:54,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:03:54,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:03:54,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:03:54,513 INFO L87 Difference]: Start difference. First operand 498 states and 765 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) [2022-04-05 10:03:56,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:03:58,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:00,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:00,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:00,805 INFO L93 Difference]: Finished difference Result 1049 states and 1614 transitions. [2022-04-05 10:04:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:00,805 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 146 [2022-04-05 10:04:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:00,806 INFO L225 Difference]: With dead ends: 1049 [2022-04-05 10:04:00,806 INFO L226 Difference]: Without dead ends: 577 [2022-04-05 10:04:00,807 INFO L912 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 [2022-04-05 10:04:00,807 INFO L913 BasicCegarLoop]: 136 mSDtfsCounter, 136 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:00,807 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-04-05 10:04:00,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-04-05 10:04:00,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 498. [2022-04-05 10:04:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5294117647058822) internal successors, (754), 493 states have internal predecessors, (754), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 758 transitions. [2022-04-05 10:04:00,814 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 758 transitions. Word has length 146 [2022-04-05 10:04:00,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:00,814 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 758 transitions. [2022-04-05 10:04:00,814 INFO L479 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) [2022-04-05 10:04:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 758 transitions. [2022-04-05 10:04:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-04-05 10:04:00,815 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:00,815 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:00,815 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-05 10:04:00,815 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:00,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:00,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1337879975, now seen corresponding path program 1 times [2022-04-05 10:04:00,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:00,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930296957] [2022-04-05 10:04:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:00,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-04-05 10:04:00,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:00,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930296957] [2022-04-05 10:04:00,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930296957] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:00,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:00,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 10:04:00,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955749689] [2022-04-05 10:04:00,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:00,912 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 10:04:00,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:00,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 10:04:00,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:04:00,912 INFO L87 Difference]: Start difference. First operand 498 states and 758 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:02,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:04,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:06,046 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 [] [2022-04-05 10:04:06,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:06,347 INFO L93 Difference]: Finished difference Result 1437 states and 2208 transitions. [2022-04-05 10:04:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 10:04:06,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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 147 [2022-04-05 10:04:06,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:06,349 INFO L225 Difference]: With dead ends: 1437 [2022-04-05 10:04:06,349 INFO L226 Difference]: Without dead ends: 965 [2022-04-05 10:04:06,350 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:04:06,350 INFO L913 BasicCegarLoop]: 257 mSDtfsCounter, 147 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:06,350 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-04-05 10:04:06,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-04-05 10:04:06,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2022-04-05 10:04:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.5208768267223383) internal successors, (1457), 958 states have internal predecessors, (1457), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1461 transitions. [2022-04-05 10:04:06,364 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1461 transitions. Word has length 147 [2022-04-05 10:04:06,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:06,364 INFO L478 AbstractCegarLoop]: Abstraction has 963 states and 1461 transitions. [2022-04-05 10:04:06,364 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1461 transitions. [2022-04-05 10:04:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-04-05 10:04:06,366 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:06,366 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:06,366 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-05 10:04:06,366 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1021427034, now seen corresponding path program 1 times [2022-04-05 10:04:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:06,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979599395] [2022-04-05 10:04:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-04-05 10:04:06,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:06,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979599395] [2022-04-05 10:04:06,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979599395] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:06,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:06,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:06,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320952182] [2022-04-05 10:04:06,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:06,457 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:06,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:06,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:06,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:06,457 INFO L87 Difference]: Start difference. First operand 963 states and 1461 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) [2022-04-05 10:04:07,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:09,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:11,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:11,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:11,726 INFO L93 Difference]: Finished difference Result 1999 states and 3034 transitions. [2022-04-05 10:04:11,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:11,726 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 147 [2022-04-05 10:04:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:11,729 INFO L225 Difference]: With dead ends: 1999 [2022-04-05 10:04:11,729 INFO L226 Difference]: Without dead ends: 1062 [2022-04-05 10:04:11,730 INFO L912 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 [2022-04-05 10:04:11,730 INFO L913 BasicCegarLoop]: 248 mSDtfsCounter, 38 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:11,730 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 625 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-04-05 10:04:11,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-04-05 10:04:11,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1015. [2022-04-05 10:04:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5198019801980198) internal successors, (1535), 1010 states have internal predecessors, (1535), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1539 transitions. [2022-04-05 10:04:11,764 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1539 transitions. Word has length 147 [2022-04-05 10:04:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:11,764 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1539 transitions. [2022-04-05 10:04:11,765 INFO L479 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) [2022-04-05 10:04:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1539 transitions. [2022-04-05 10:04:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-04-05 10:04:11,766 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:11,766 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 10:04:11,766 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-05 10:04:11,766 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash 704522437, now seen corresponding path program 1 times [2022-04-05 10:04:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:11,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995896643] [2022-04-05 10:04:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:11,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:04:11,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:11,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995896643] [2022-04-05 10:04:11,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995896643] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:11,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:11,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:11,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779299977] [2022-04-05 10:04:11,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:11,849 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:11,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:11,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:11,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:11,850 INFO L87 Difference]: Start difference. First operand 1015 states and 1539 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:14,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:16,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:17,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:17,319 INFO L93 Difference]: Finished difference Result 2075 states and 3145 transitions. [2022-04-05 10:04:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:17,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 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 149 [2022-04-05 10:04:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:17,322 INFO L225 Difference]: With dead ends: 2075 [2022-04-05 10:04:17,322 INFO L226 Difference]: Without dead ends: 1086 [2022-04-05 10:04:17,324 INFO L912 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 [2022-04-05 10:04:17,324 INFO L913 BasicCegarLoop]: 215 mSDtfsCounter, 70 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:17,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 561 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-04-05 10:04:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-04-05 10:04:17,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1015. [2022-04-05 10:04:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5178217821782178) internal successors, (1533), 1010 states have internal predecessors, (1533), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1537 transitions. [2022-04-05 10:04:17,338 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1537 transitions. Word has length 149 [2022-04-05 10:04:17,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:17,338 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1537 transitions. [2022-04-05 10:04:17,338 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1537 transitions. [2022-04-05 10:04:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-04-05 10:04:17,340 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:17,340 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-05 10:04:17,340 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-05 10:04:17,340 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash -404859036, now seen corresponding path program 1 times [2022-04-05 10:04:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:17,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261176472] [2022-04-05 10:04:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 10:04:17,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:17,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261176472] [2022-04-05 10:04:17,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261176472] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:17,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:17,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:17,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999262688] [2022-04-05 10:04:17,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:17,460 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:17,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:17,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:17,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:17,461 INFO L87 Difference]: Start difference. First operand 1015 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:20,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:21,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:21,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:21,790 INFO L93 Difference]: Finished difference Result 2157 states and 3252 transitions. [2022-04-05 10:04:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:21,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 150 [2022-04-05 10:04:21,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:21,793 INFO L225 Difference]: With dead ends: 2157 [2022-04-05 10:04:21,793 INFO L226 Difference]: Without dead ends: 1168 [2022-04-05 10:04:21,795 INFO L912 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 [2022-04-05 10:04:21,795 INFO L913 BasicCegarLoop]: 136 mSDtfsCounter, 137 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:21,795 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-04-05 10:04:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-04-05 10:04:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-04-05 10:04:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.503960396039604) internal successors, (1519), 1010 states have internal predecessors, (1519), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1523 transitions. [2022-04-05 10:04:21,807 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1523 transitions. Word has length 150 [2022-04-05 10:04:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:21,808 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1523 transitions. [2022-04-05 10:04:21,808 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:21,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1523 transitions. [2022-04-05 10:04:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-04-05 10:04:21,809 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:21,809 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:21,809 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-05 10:04:21,809 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:21,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1090400704, now seen corresponding path program 1 times [2022-04-05 10:04:21,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:21,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104129126] [2022-04-05 10:04:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 10:04:21,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:21,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104129126] [2022-04-05 10:04:21,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104129126] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:21,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:21,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:21,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027089287] [2022-04-05 10:04:21,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:21,894 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:21,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:21,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:21,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:21,894 INFO L87 Difference]: Start difference. First operand 1015 states and 1523 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:23,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:24,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:27,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:29,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:29,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:29,400 INFO L93 Difference]: Finished difference Result 2059 states and 3087 transitions. [2022-04-05 10:04:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:29,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 153 [2022-04-05 10:04:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:29,403 INFO L225 Difference]: With dead ends: 2059 [2022-04-05 10:04:29,403 INFO L226 Difference]: Without dead ends: 1070 [2022-04-05 10:04:29,404 INFO L912 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 [2022-04-05 10:04:29,404 INFO L913 BasicCegarLoop]: 224 mSDtfsCounter, 61 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:29,404 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 579 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-04-05 10:04:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-04-05 10:04:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1015. [2022-04-05 10:04:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.501980198019802) internal successors, (1517), 1010 states have internal predecessors, (1517), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1521 transitions. [2022-04-05 10:04:29,425 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1521 transitions. Word has length 153 [2022-04-05 10:04:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:29,426 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1521 transitions. [2022-04-05 10:04:29,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1521 transitions. [2022-04-05 10:04:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-04-05 10:04:29,427 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:29,427 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:29,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-05 10:04:29,427 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:29,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 97133601, now seen corresponding path program 1 times [2022-04-05 10:04:29,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:29,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287290658] [2022-04-05 10:04:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:29,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 10:04:29,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:29,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287290658] [2022-04-05 10:04:29,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287290658] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:29,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:29,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:29,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585980492] [2022-04-05 10:04:29,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:29,511 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:29,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:29,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:29,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:29,511 INFO L87 Difference]: Start difference. First operand 1015 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:31,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:32,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:34,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:36,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:37,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:37,177 INFO L93 Difference]: Finished difference Result 2157 states and 3220 transitions. [2022-04-05 10:04:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:37,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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 154 [2022-04-05 10:04:37,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:37,180 INFO L225 Difference]: With dead ends: 2157 [2022-04-05 10:04:37,180 INFO L226 Difference]: Without dead ends: 1168 [2022-04-05 10:04:37,181 INFO L912 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 [2022-04-05 10:04:37,182 INFO L913 BasicCegarLoop]: 136 mSDtfsCounter, 138 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:37,182 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-04-05 10:04:37,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-04-05 10:04:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-04-05 10:04:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.488118811881188) internal successors, (1503), 1010 states have internal predecessors, (1503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1507 transitions. [2022-04-05 10:04:37,194 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1507 transitions. Word has length 154 [2022-04-05 10:04:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:37,194 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1507 transitions. [2022-04-05 10:04:37,194 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1507 transitions. [2022-04-05 10:04:37,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-04-05 10:04:37,196 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:37,196 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:37,196 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-05 10:04:37,197 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:37,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1214702892, now seen corresponding path program 1 times [2022-04-05 10:04:37,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:37,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31103731] [2022-04-05 10:04:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:37,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 10:04:37,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:37,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31103731] [2022-04-05 10:04:37,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31103731] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:37,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:37,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806606697] [2022-04-05 10:04:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:37,304 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:37,304 INFO L87 Difference]: Start difference. First operand 1015 states and 1507 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:39,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:41,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:43,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:44,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:44,101 INFO L93 Difference]: Finished difference Result 2055 states and 3049 transitions. [2022-04-05 10:04:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:44,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 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 157 [2022-04-05 10:04:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:44,104 INFO L225 Difference]: With dead ends: 2055 [2022-04-05 10:04:44,104 INFO L226 Difference]: Without dead ends: 1066 [2022-04-05 10:04:44,105 INFO L912 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 [2022-04-05 10:04:44,105 INFO L913 BasicCegarLoop]: 227 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:44,105 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-04-05 10:04:44,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-04-05 10:04:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1015. [2022-04-05 10:04:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.4861386138613861) internal successors, (1501), 1010 states have internal predecessors, (1501), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1505 transitions. [2022-04-05 10:04:44,117 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1505 transitions. Word has length 157 [2022-04-05 10:04:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:44,117 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1505 transitions. [2022-04-05 10:04:44,117 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1505 transitions. [2022-04-05 10:04:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-04-05 10:04:44,119 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:44,119 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:44,119 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-04-05 10:04:44,119 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:44,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:44,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1157233019, now seen corresponding path program 1 times [2022-04-05 10:04:44,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:44,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162409502] [2022-04-05 10:04:44,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-04-05 10:04:44,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:44,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162409502] [2022-04-05 10:04:44,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162409502] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:44,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:44,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:44,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078560826] [2022-04-05 10:04:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:44,202 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:44,203 INFO L87 Difference]: Start difference. First operand 1015 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:45,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:47,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:49,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:51,742 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 [] [2022-04-05 10:04:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:52,147 INFO L93 Difference]: Finished difference Result 2241 states and 3316 transitions. [2022-04-05 10:04:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:52,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 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 157 [2022-04-05 10:04:52,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:52,151 INFO L225 Difference]: With dead ends: 2241 [2022-04-05 10:04:52,151 INFO L226 Difference]: Without dead ends: 1252 [2022-04-05 10:04:52,152 INFO L912 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 [2022-04-05 10:04:52,152 INFO L913 BasicCegarLoop]: 136 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 59 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:52,152 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 396 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 485 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-04-05 10:04:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-04-05 10:04:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1085. [2022-04-05 10:04:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4805555555555556) internal successors, (1599), 1080 states have internal predecessors, (1599), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1603 transitions. [2022-04-05 10:04:52,176 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1603 transitions. Word has length 157 [2022-04-05 10:04:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:52,177 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1603 transitions. [2022-04-05 10:04:52,177 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1603 transitions. [2022-04-05 10:04:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-04-05 10:04:52,178 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:52,178 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-04-05 10:04:52,178 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-04-05 10:04:52,178 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash 336781482, now seen corresponding path program 1 times [2022-04-05 10:04:52,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:52,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984460416] [2022-04-05 10:04:52,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 10:04:52,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:52,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984460416] [2022-04-05 10:04:52,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984460416] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:52,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:52,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:52,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913813681] [2022-04-05 10:04:52,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:52,260 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:52,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:52,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:52,260 INFO L87 Difference]: Start difference. First operand 1085 states and 1603 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:54,266 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 [] [2022-04-05 10:04:54,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:04:54,613 INFO L93 Difference]: Finished difference Result 2183 states and 3225 transitions. [2022-04-05 10:04:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:04:54,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 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 158 [2022-04-05 10:04:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:04:54,616 INFO L225 Difference]: With dead ends: 2183 [2022-04-05 10:04:54,616 INFO L226 Difference]: Without dead ends: 1124 [2022-04-05 10:04:54,617 INFO L912 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 [2022-04-05 10:04:54,617 INFO L913 BasicCegarLoop]: 229 mSDtfsCounter, 41 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-05 10:04:54,618 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 589 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-05 10:04:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-04-05 10:04:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1085. [2022-04-05 10:04:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4787037037037036) internal successors, (1597), 1080 states have internal predecessors, (1597), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1601 transitions. [2022-04-05 10:04:54,630 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1601 transitions. Word has length 158 [2022-04-05 10:04:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:04:54,630 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1601 transitions. [2022-04-05 10:04:54,630 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1601 transitions. [2022-04-05 10:04:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-04-05 10:04:54,631 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:04:54,631 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:04:54,631 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-04-05 10:04:54,631 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:04:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:04:54,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1144606736, now seen corresponding path program 1 times [2022-04-05 10:04:54,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:04:54,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522534433] [2022-04-05 10:04:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:04:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:04:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:04:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:04:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-04-05 10:04:54,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:04:54,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522534433] [2022-04-05 10:04:54,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522534433] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:04:54,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:04:54,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:04:54,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283786982] [2022-04-05 10:04:54,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:04:54,724 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:04:54,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:04:54,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:04:54,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:04:54,724 INFO L87 Difference]: Start difference. First operand 1085 states and 1601 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:04:56,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:04:58,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:00,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:02,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:02,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:02,646 INFO L93 Difference]: Finished difference Result 2177 states and 3214 transitions. [2022-04-05 10:05:02,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:05:02,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-04-05 10:05:02,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:02,649 INFO L225 Difference]: With dead ends: 2177 [2022-04-05 10:05:02,649 INFO L226 Difference]: Without dead ends: 1118 [2022-04-05 10:05:02,650 INFO L912 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 [2022-04-05 10:05:02,650 INFO L913 BasicCegarLoop]: 230 mSDtfsCounter, 35 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:02,650 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 591 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-04-05 10:05:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-04-05 10:05:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1085. [2022-04-05 10:05:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4768518518518519) internal successors, (1595), 1080 states have internal predecessors, (1595), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1599 transitions. [2022-04-05 10:05:02,662 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1599 transitions. Word has length 158 [2022-04-05 10:05:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:02,662 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1599 transitions. [2022-04-05 10:05:02,662 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1599 transitions. [2022-04-05 10:05:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-04-05 10:05:02,664 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:02,664 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:05:02,664 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-04-05 10:05:02,664 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash 79353004, now seen corresponding path program 1 times [2022-04-05 10:05:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:02,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929618720] [2022-04-05 10:05:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-04-05 10:05:02,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:02,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929618720] [2022-04-05 10:05:02,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929618720] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:02,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:02,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:05:02,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419565736] [2022-04-05 10:05:02,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:02,750 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:05:02,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:02,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:05:02,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:05:02,750 INFO L87 Difference]: Start difference. First operand 1085 states and 1599 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:03,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:05,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:07,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:09,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:09,864 INFO L93 Difference]: Finished difference Result 2171 states and 3204 transitions. [2022-04-05 10:05:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:05:09,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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 165 [2022-04-05 10:05:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:09,867 INFO L225 Difference]: With dead ends: 2171 [2022-04-05 10:05:09,867 INFO L226 Difference]: Without dead ends: 1112 [2022-04-05 10:05:09,868 INFO L912 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 [2022-04-05 10:05:09,868 INFO L913 BasicCegarLoop]: 252 mSDtfsCounter, 41 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:09,868 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 633 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 449 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-04-05 10:05:09,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-04-05 10:05:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1085. [2022-04-05 10:05:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.475) internal successors, (1593), 1080 states have internal predecessors, (1593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1597 transitions. [2022-04-05 10:05:09,880 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1597 transitions. Word has length 165 [2022-04-05 10:05:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:09,880 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1597 transitions. [2022-04-05 10:05:09,880 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1597 transitions. [2022-04-05 10:05:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-04-05 10:05:09,881 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:09,881 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-05 10:05:09,882 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-04-05 10:05:09,882 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:09,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:09,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1069512886, now seen corresponding path program 1 times [2022-04-05 10:05:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:09,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228263963] [2022-04-05 10:05:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-04-05 10:05:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228263963] [2022-04-05 10:05:09,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228263963] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:09,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:09,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 10:05:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248867703] [2022-04-05 10:05:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:09,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 10:05:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 10:05:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:05:09,956 INFO L87 Difference]: Start difference. First operand 1085 states and 1597 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:12,034 INFO L93 Difference]: Finished difference Result 2171 states and 3201 transitions. [2022-04-05 10:05:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 10:05:12,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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 166 [2022-04-05 10:05:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:12,040 INFO L225 Difference]: With dead ends: 2171 [2022-04-05 10:05:12,040 INFO L226 Difference]: Without dead ends: 1112 [2022-04-05 10:05:12,041 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:05:12,042 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:12,042 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 433 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-05 10:05:12,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-04-05 10:05:12,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-04-05 10:05:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1107 states have (on average 1.4706413730803976) internal successors, (1628), 1107 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1632 transitions. [2022-04-05 10:05:12,055 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1632 transitions. Word has length 166 [2022-04-05 10:05:12,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:12,055 INFO L478 AbstractCegarLoop]: Abstraction has 1112 states and 1632 transitions. [2022-04-05 10:05:12,055 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1632 transitions. [2022-04-05 10:05:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-04-05 10:05:12,056 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:12,056 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-05 10:05:12,056 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-04-05 10:05:12,057 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1283275945, now seen corresponding path program 1 times [2022-04-05 10:05:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:12,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636174828] [2022-04-05 10:05:12,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-04-05 10:05:12,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:12,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636174828] [2022-04-05 10:05:12,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636174828] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:12,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:12,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 10:05:12,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39703376] [2022-04-05 10:05:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:12,138 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 10:05:12,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:12,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 10:05:12,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:05:12,139 INFO L87 Difference]: Start difference. First operand 1112 states and 1632 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 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) [2022-04-05 10:05:14,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:16,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:16,337 INFO L93 Difference]: Finished difference Result 2200 states and 3237 transitions. [2022-04-05 10:05:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 10:05:16,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 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 166 [2022-04-05 10:05:16,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:16,339 INFO L225 Difference]: With dead ends: 2200 [2022-04-05 10:05:16,339 INFO L226 Difference]: Without dead ends: 1114 [2022-04-05 10:05:16,340 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 10:05:16,340 INFO L913 BasicCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:16,340 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 267 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-04-05 10:05:16,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-04-05 10:05:16,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-04-05 10:05:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4697926059513076) internal successors, (1630), 1109 states have internal predecessors, (1630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1634 transitions. [2022-04-05 10:05:16,353 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1634 transitions. Word has length 166 [2022-04-05 10:05:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:16,353 INFO L478 AbstractCegarLoop]: Abstraction has 1114 states and 1634 transitions. [2022-04-05 10:05:16,353 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 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) [2022-04-05 10:05:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1634 transitions. [2022-04-05 10:05:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-04-05 10:05:16,354 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:16,354 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-05 10:05:16,354 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-04-05 10:05:16,355 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash -282029373, now seen corresponding path program 1 times [2022-04-05 10:05:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:16,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981051610] [2022-04-05 10:05:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 10:05:16,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:16,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981051610] [2022-04-05 10:05:16,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981051610] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:16,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:16,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:05:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065474346] [2022-04-05 10:05:16,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:16,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:05:16,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:05:16,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:05:16,445 INFO L87 Difference]: Start difference. First operand 1114 states and 1634 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:17,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:19,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:21,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:22,410 INFO L93 Difference]: Finished difference Result 2298 states and 3367 transitions. [2022-04-05 10:05:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:05:22,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-04-05 10:05:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:22,412 INFO L225 Difference]: With dead ends: 2298 [2022-04-05 10:05:22,412 INFO L226 Difference]: Without dead ends: 1212 [2022-04-05 10:05:22,413 INFO L912 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 [2022-04-05 10:05:22,413 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 78 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:22,414 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 606 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-04-05 10:05:22,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-04-05 10:05:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1114. [2022-04-05 10:05:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4679891794409379) internal successors, (1628), 1109 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1632 transitions. [2022-04-05 10:05:22,426 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1632 transitions. Word has length 168 [2022-04-05 10:05:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:22,426 INFO L478 AbstractCegarLoop]: Abstraction has 1114 states and 1632 transitions. [2022-04-05 10:05:22,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1632 transitions. [2022-04-05 10:05:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-04-05 10:05:22,427 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:22,427 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:05:22,428 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-04-05 10:05:22,428 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1600727037, now seen corresponding path program 1 times [2022-04-05 10:05:22,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:22,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407104504] [2022-04-05 10:05:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-05 10:05:22,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:22,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407104504] [2022-04-05 10:05:22,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407104504] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:22,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:22,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 10:05:22,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069570771] [2022-04-05 10:05:22,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:22,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 10:05:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:22,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 10:05:22,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 10:05:22,523 INFO L87 Difference]: Start difference. First operand 1114 states and 1632 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:24,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:26,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 10:05:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:27,146 INFO L93 Difference]: Finished difference Result 2354 states and 3441 transitions. [2022-04-05 10:05:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 10:05:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 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 175 [2022-04-05 10:05:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:27,148 INFO L225 Difference]: With dead ends: 2354 [2022-04-05 10:05:27,148 INFO L226 Difference]: Without dead ends: 1268 [2022-04-05 10:05:27,149 INFO L912 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 [2022-04-05 10:05:27,149 INFO L913 BasicCegarLoop]: 142 mSDtfsCounter, 126 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:27,150 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 408 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-04-05 10:05:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-04-05 10:05:27,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1110. [2022-04-05 10:05:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4660633484162895) internal successors, (1620), 1105 states have internal predecessors, (1620), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1624 transitions. [2022-04-05 10:05:27,163 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1624 transitions. Word has length 175 [2022-04-05 10:05:27,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:27,163 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1624 transitions. [2022-04-05 10:05:27,163 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1624 transitions. [2022-04-05 10:05:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-04-05 10:05:27,164 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:27,164 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:05:27,164 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-04-05 10:05:27,165 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:27,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1707771303, now seen corresponding path program 1 times [2022-04-05 10:05:27,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:27,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101444129] [2022-04-05 10:05:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-04-05 10:05:27,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:27,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101444129] [2022-04-05 10:05:27,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101444129] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 10:05:27,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 10:05:27,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-05 10:05:27,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996490971] [2022-04-05 10:05:27,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 10:05:27,496 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 10:05:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 10:05:27,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 10:05:27,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-05 10:05:27,496 INFO L87 Difference]: Start difference. First operand 1110 states and 1624 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:29,505 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 [] [2022-04-05 10:05:29,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 10:05:29,947 INFO L93 Difference]: Finished difference Result 2213 states and 3240 transitions. [2022-04-05 10:05:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 10:05:29,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 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 177 [2022-04-05 10:05:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 10:05:29,949 INFO L225 Difference]: With dead ends: 2213 [2022-04-05 10:05:29,949 INFO L226 Difference]: Without dead ends: 1110 [2022-04-05 10:05:29,950 INFO L912 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 [2022-04-05 10:05:29,951 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 7 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 10:05:29,951 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 921 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 455 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 10:05:29,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-04-05 10:05:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-04-05 10:05:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4651583710407239) internal successors, (1619), 1105 states have internal predecessors, (1619), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1623 transitions. [2022-04-05 10:05:29,969 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1623 transitions. Word has length 177 [2022-04-05 10:05:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 10:05:29,969 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1623 transitions. [2022-04-05 10:05:29,969 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 10:05:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1623 transitions. [2022-04-05 10:05:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-04-05 10:05:29,971 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 10:05:29,971 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 10:05:29,971 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-04-05 10:05:29,971 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 10:05:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 10:05:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash -115415960, now seen corresponding path program 1 times [2022-04-05 10:05:29,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 10:05:29,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580938770] [2022-04-05 10:05:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 10:05:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 10:05:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 14 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-05 10:05:30,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 10:05:30,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580938770] [2022-04-05 10:05:30,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580938770] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 10:05:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49403737] [2022-04-05 10:05:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 10:05:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 10:05:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 10:05:30,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 10:05:30,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 10:05:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 10:05:31,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 207 conjunts are in the unsatisfiable core [2022-04-05 10:05:31,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 10:05:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53298 treesize of output 48162 [2022-04-05 10:05:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 10:05:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver