/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.13.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 07:07:12,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 07:07:12,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 07:07:12,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 07:07:12,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 07:07:12,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 07:07:12,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 07:07:12,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 07:07:12,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 07:07:12,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 07:07:12,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 07:07:12,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 07:07:12,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 07:07:12,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 07:07:12,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 07:07:12,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 07:07:12,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 07:07:12,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 07:07:12,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 07:07:12,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 07:07:12,678 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 07:07:12,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 07:07:12,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 07:07:12,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 07:07:12,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 07:07:12,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-19 07:07:12,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-19 07:07:12,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-19 07:07:12,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-19 07:07:12,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-19 07:07:12,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-19 07:07:12,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-19 07:07:12,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-19 07:07:12,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-19 07:07:12,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-19 07:07:12,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-19 07:07:12,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-19 07:07:12,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-19 07:07:12,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-19 07:07:12,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 07:07:12,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 07:07:12,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 07:07:12,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-19 07:07:12,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 07:07:12,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 07:07:12,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 07:07:12,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 07:07:12,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 07:07:12,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 07:07:12,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-19 07:07:12,705 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 07:07:12,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 07:07:12,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 07:07:12,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 07:07:12,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 07:07:12,918 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 07:07:12,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.13.i.cil-2.c [2022-03-19 07:07:12,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d42dfec3/d8a79343cfee4a8c9468d5f950654681/FLAGcc41bbccb [2022-03-19 07:07:13,522 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 07:07:13,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.13.i.cil-2.c [2022-03-19 07:07:13,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d42dfec3/d8a79343cfee4a8c9468d5f950654681/FLAGcc41bbccb [2022-03-19 07:07:14,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d42dfec3/d8a79343cfee4a8c9468d5f950654681 [2022-03-19 07:07:14,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 07:07:14,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-19 07:07:14,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 07:07:14,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 07:07:14,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 07:07:14,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6018abe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14, skipping insertion in model container [2022-03-19 07:07:14,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 07:07:14,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 07:07:14,412 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.13.i.cil-2.c[74353,74366] [2022-03-19 07:07:14,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 07:07:14,437 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 07:07:14,561 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.13.i.cil-2.c[74353,74366] [2022-03-19 07:07:14,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 07:07:14,577 INFO L208 MainTranslator]: Completed translation [2022-03-19 07:07:14,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14 WrapperNode [2022-03-19 07:07:14,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 07:07:14,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 07:07:14,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 07:07:14,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 07:07:14,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 07:07:14,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 07:07:14,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 07:07:14,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 07:07:14,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (1/1) ... [2022-03-19 07:07:14,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 07:07:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 07:07:14,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-19 07:07:14,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-19 07:07:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-19 07:07:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-19 07:07:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-19 07:07:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 07:07:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-19 07:07:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 07:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-19 07:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-19 07:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-19 07:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-19 07:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 07:07:14,942 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 07:07:14,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 07:07:15,596 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-19 07:07:16,016 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-19 07:07:16,016 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-19 07:07:16,027 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 07:07:16,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 07:07:16,039 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 07:07:16,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 07:07:16 BoogieIcfgContainer [2022-03-19 07:07:16,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 07:07:16,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 07:07:16,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 07:07:16,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 07:07:16,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 07:07:14" (1/3) ... [2022-03-19 07:07:16,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea24469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 07:07:16, skipping insertion in model container [2022-03-19 07:07:16,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 07:07:14" (2/3) ... [2022-03-19 07:07:16,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea24469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 07:07:16, skipping insertion in model container [2022-03-19 07:07:16,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 07:07:16" (3/3) ... [2022-03-19 07:07:16,049 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.13.i.cil-2.c [2022-03-19 07:07:16,055 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-19 07:07:16,055 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 07:07:16,084 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 07:07:16,089 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-19 07:07:16,089 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 07:07:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-19 07:07:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-19 07:07:16,121 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:16,121 INFO L500 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] [2022-03-19 07:07:16,122 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:16,125 INFO L85 PathProgramCache]: Analyzing trace with hash -671352377, now seen corresponding path program 1 times [2022-03-19 07:07:16,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:16,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1021811041] [2022-03-19 07:07:16,145 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 07:07:16,145 INFO L85 PathProgramCache]: Analyzing trace with hash -671352377, now seen corresponding path program 2 times [2022-03-19 07:07:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:16,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644785982] [2022-03-19 07:07:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:16,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:16,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:16,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644785982] [2022-03-19 07:07:16,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644785982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:16,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:16,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:16,611 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:16,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1021811041] [2022-03-19 07:07:16,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1021811041] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:16,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:16,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:16,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35985497] [2022-03-19 07:07:16,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:16,615 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:16,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:16,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:16,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:16,640 INFO L87 Difference]: Start difference. First operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:17,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:19,906 INFO L93 Difference]: Finished difference Result 430 states and 727 transitions. [2022-03-19 07:07:19,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 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 42 [2022-03-19 07:07:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:19,920 INFO L225 Difference]: With dead ends: 430 [2022-03-19 07:07:19,920 INFO L226 Difference]: Without dead ends: 261 [2022-03-19 07:07:19,929 INFO L911 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 [2022-03-19 07:07:19,936 INFO L912 BasicCegarLoop]: 157 mSDtfsCounter, 167 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:19,938 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 461 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-03-19 07:07:19,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-19 07:07:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 170. [2022-03-19 07:07:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 165 states have (on average 1.5818181818181818) internal successors, (261), 165 states have internal predecessors, (261), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 265 transitions. [2022-03-19 07:07:19,974 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 265 transitions. Word has length 42 [2022-03-19 07:07:19,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:19,975 INFO L478 AbstractCegarLoop]: Abstraction has 170 states and 265 transitions. [2022-03-19 07:07:19,975 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 265 transitions. [2022-03-19 07:07:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-19 07:07:19,976 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:19,976 INFO L500 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] [2022-03-19 07:07:19,976 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 07:07:19,976 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:19,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1244096364, now seen corresponding path program 1 times [2022-03-19 07:07:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:19,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1756752314] [2022-03-19 07:07:19,978 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 07:07:19,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1244096364, now seen corresponding path program 2 times [2022-03-19 07:07:19,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:19,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065056455] [2022-03-19 07:07:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:19,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:20,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:20,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065056455] [2022-03-19 07:07:20,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065056455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:20,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:20,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:20,119 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:20,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1756752314] [2022-03-19 07:07:20,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1756752314] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:20,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:20,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:20,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435138907] [2022-03-19 07:07:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:20,120 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:20,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:20,121 INFO L87 Difference]: Start difference. First operand 170 states and 265 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:21,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:23,616 INFO L93 Difference]: Finished difference Result 444 states and 697 transitions. [2022-03-19 07:07:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:23,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 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 43 [2022-03-19 07:07:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:23,619 INFO L225 Difference]: With dead ends: 444 [2022-03-19 07:07:23,619 INFO L226 Difference]: Without dead ends: 289 [2022-03-19 07:07:23,620 INFO L911 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 [2022-03-19 07:07:23,621 INFO L912 BasicCegarLoop]: 117 mSDtfsCounter, 134 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:23,621 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-19 07:07:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-03-19 07:07:23,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 199. [2022-03-19 07:07:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.6134020618556701) internal successors, (313), 194 states have internal predecessors, (313), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 317 transitions. [2022-03-19 07:07:23,647 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 317 transitions. Word has length 43 [2022-03-19 07:07:23,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:23,647 INFO L478 AbstractCegarLoop]: Abstraction has 199 states and 317 transitions. [2022-03-19 07:07:23,647 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 317 transitions. [2022-03-19 07:07:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-19 07:07:23,652 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:23,652 INFO L500 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] [2022-03-19 07:07:23,652 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 07:07:23,654 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:23,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:23,654 INFO L85 PathProgramCache]: Analyzing trace with hash -2016462011, now seen corresponding path program 1 times [2022-03-19 07:07:23,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:23,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2097462651] [2022-03-19 07:07:23,655 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 07:07:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2016462011, now seen corresponding path program 2 times [2022-03-19 07:07:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:23,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42912863] [2022-03-19 07:07:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:23,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:23,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:23,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42912863] [2022-03-19 07:07:23,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42912863] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:23,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:23,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:23,818 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:23,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2097462651] [2022-03-19 07:07:23,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2097462651] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:23,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:23,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:23,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681803389] [2022-03-19 07:07:23,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:23,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:23,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:23,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:23,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:23,822 INFO L87 Difference]: Start difference. First operand 199 states and 317 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:25,246 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 [] [2022-03-19 07:07:27,068 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 [] [2022-03-19 07:07:27,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:27,840 INFO L93 Difference]: Finished difference Result 503 states and 800 transitions. [2022-03-19 07:07:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:27,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 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 48 [2022-03-19 07:07:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:27,842 INFO L225 Difference]: With dead ends: 503 [2022-03-19 07:07:27,842 INFO L226 Difference]: Without dead ends: 319 [2022-03-19 07:07:27,843 INFO L911 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 [2022-03-19 07:07:27,844 INFO L912 BasicCegarLoop]: 118 mSDtfsCounter, 123 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:27,844 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 344 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-03-19 07:07:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-03-19 07:07:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 239. [2022-03-19 07:07:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 234 states have (on average 1.641025641025641) internal successors, (384), 234 states have internal predecessors, (384), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 388 transitions. [2022-03-19 07:07:27,857 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 388 transitions. Word has length 48 [2022-03-19 07:07:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:27,857 INFO L478 AbstractCegarLoop]: Abstraction has 239 states and 388 transitions. [2022-03-19 07:07:27,857 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 388 transitions. [2022-03-19 07:07:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-19 07:07:27,858 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:27,858 INFO L500 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] [2022-03-19 07:07:27,858 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-19 07:07:27,859 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:27,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:27,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1906852389, now seen corresponding path program 1 times [2022-03-19 07:07:27,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:27,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [505977307] [2022-03-19 07:07:27,860 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 07:07:27,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1906852389, now seen corresponding path program 2 times [2022-03-19 07:07:27,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:27,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116912252] [2022-03-19 07:07:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:28,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:28,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116912252] [2022-03-19 07:07:28,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116912252] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:28,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:28,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:28,042 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:28,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [505977307] [2022-03-19 07:07:28,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [505977307] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:28,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:28,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:28,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536281741] [2022-03-19 07:07:28,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:28,043 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:28,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:28,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:28,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:28,044 INFO L87 Difference]: Start difference. First operand 239 states and 388 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:30,054 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 [] [2022-03-19 07:07:30,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:30,654 INFO L93 Difference]: Finished difference Result 553 states and 890 transitions. [2022-03-19 07:07:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:30,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 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 49 [2022-03-19 07:07:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:30,656 INFO L225 Difference]: With dead ends: 553 [2022-03-19 07:07:30,657 INFO L226 Difference]: Without dead ends: 329 [2022-03-19 07:07:30,658 INFO L911 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 [2022-03-19 07:07:30,659 INFO L912 BasicCegarLoop]: 124 mSDtfsCounter, 122 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:30,659 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 356 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-03-19 07:07:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-19 07:07:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 250. [2022-03-19 07:07:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 245 states have (on average 1.653061224489796) internal successors, (405), 245 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) [2022-03-19 07:07:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 409 transitions. [2022-03-19 07:07:30,676 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 409 transitions. Word has length 49 [2022-03-19 07:07:30,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:30,676 INFO L478 AbstractCegarLoop]: Abstraction has 250 states and 409 transitions. [2022-03-19 07:07:30,677 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 409 transitions. [2022-03-19 07:07:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-19 07:07:30,678 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:30,678 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 07:07:30,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-19 07:07:30,679 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:30,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:30,679 INFO L85 PathProgramCache]: Analyzing trace with hash -16045120, now seen corresponding path program 1 times [2022-03-19 07:07:30,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:30,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [410302278] [2022-03-19 07:07:30,706 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:30,706 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:30,706 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash -16045120, now seen corresponding path program 2 times [2022-03-19 07:07:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:30,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180440978] [2022-03-19 07:07:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:30,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:30,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:30,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180440978] [2022-03-19 07:07:30,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180440978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:30,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:30,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:30,894 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:30,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [410302278] [2022-03-19 07:07:30,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [410302278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:30,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:30,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:30,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141576272] [2022-03-19 07:07:30,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:30,896 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:30,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:30,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:30,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:30,899 INFO L87 Difference]: Start difference. First operand 250 states and 409 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:33,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:36,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:36,772 INFO L93 Difference]: Finished difference Result 604 states and 981 transitions. [2022-03-19 07:07:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:36,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-03-19 07:07:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:36,774 INFO L225 Difference]: With dead ends: 604 [2022-03-19 07:07:36,774 INFO L226 Difference]: Without dead ends: 369 [2022-03-19 07:07:36,775 INFO L911 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 [2022-03-19 07:07:36,775 INFO L912 BasicCegarLoop]: 124 mSDtfsCounter, 135 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:36,776 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 356 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-03-19 07:07:36,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-03-19 07:07:36,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 276. [2022-03-19 07:07:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.6568265682656826) internal successors, (449), 271 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) [2022-03-19 07:07:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 453 transitions. [2022-03-19 07:07:36,789 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 453 transitions. Word has length 70 [2022-03-19 07:07:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:36,789 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 453 transitions. [2022-03-19 07:07:36,790 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 453 transitions. [2022-03-19 07:07:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-03-19 07:07:36,790 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:36,791 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 07:07:36,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-19 07:07:36,791 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash 781922117, now seen corresponding path program 1 times [2022-03-19 07:07:36,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:36,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [366777699] [2022-03-19 07:07:36,798 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:36,799 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:36,799 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:36,799 INFO L85 PathProgramCache]: Analyzing trace with hash 781922117, now seen corresponding path program 2 times [2022-03-19 07:07:36,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:36,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445334426] [2022-03-19 07:07:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:36,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:36,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445334426] [2022-03-19 07:07:36,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445334426] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:36,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:36,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:36,923 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:36,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [366777699] [2022-03-19 07:07:36,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [366777699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:36,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:36,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:36,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581829133] [2022-03-19 07:07:36,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:36,924 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:36,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:36,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:36,926 INFO L87 Difference]: Start difference. First operand 276 states and 453 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:38,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:39,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:39,862 INFO L93 Difference]: Finished difference Result 616 states and 998 transitions. [2022-03-19 07:07:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:39,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 71 [2022-03-19 07:07:39,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:39,865 INFO L225 Difference]: With dead ends: 616 [2022-03-19 07:07:39,865 INFO L226 Difference]: Without dead ends: 355 [2022-03-19 07:07:39,866 INFO L911 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 [2022-03-19 07:07:39,866 INFO L912 BasicCegarLoop]: 142 mSDtfsCounter, 134 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:39,867 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 392 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-03-19 07:07:39,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-19 07:07:39,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 276. [2022-03-19 07:07:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.6457564575645756) internal successors, (446), 271 states have internal predecessors, (446), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 450 transitions. [2022-03-19 07:07:39,878 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 450 transitions. Word has length 71 [2022-03-19 07:07:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:39,880 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 450 transitions. [2022-03-19 07:07:39,880 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 450 transitions. [2022-03-19 07:07:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-03-19 07:07:39,882 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:39,882 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 07:07:39,882 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-19 07:07:39,882 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:39,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:39,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1867037651, now seen corresponding path program 1 times [2022-03-19 07:07:39,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:39,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [12029999] [2022-03-19 07:07:39,888 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:39,888 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:39,889 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:39,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1867037651, now seen corresponding path program 2 times [2022-03-19 07:07:39,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:39,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122084158] [2022-03-19 07:07:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:40,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:40,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122084158] [2022-03-19 07:07:40,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122084158] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:40,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:40,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:40,059 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:40,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [12029999] [2022-03-19 07:07:40,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [12029999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:40,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:40,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:40,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756999238] [2022-03-19 07:07:40,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:40,060 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:40,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:40,061 INFO L87 Difference]: Start difference. First operand 276 states and 450 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:41,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:44,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:44,820 INFO L93 Difference]: Finished difference Result 692 states and 1126 transitions. [2022-03-19 07:07:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 71 [2022-03-19 07:07:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:44,836 INFO L225 Difference]: With dead ends: 692 [2022-03-19 07:07:44,836 INFO L226 Difference]: Without dead ends: 431 [2022-03-19 07:07:44,836 INFO L911 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 [2022-03-19 07:07:44,838 INFO L912 BasicCegarLoop]: 153 mSDtfsCounter, 127 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:44,838 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 414 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-03-19 07:07:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-03-19 07:07:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 340. [2022-03-19 07:07:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 335 states have (on average 1.653731343283582) internal successors, (554), 335 states have internal predecessors, (554), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 558 transitions. [2022-03-19 07:07:44,854 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 558 transitions. Word has length 71 [2022-03-19 07:07:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:44,855 INFO L478 AbstractCegarLoop]: Abstraction has 340 states and 558 transitions. [2022-03-19 07:07:44,855 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 558 transitions. [2022-03-19 07:07:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-19 07:07:44,856 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:44,856 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 07:07:44,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-19 07:07:44,856 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:44,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash 339721859, now seen corresponding path program 1 times [2022-03-19 07:07:44,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:44,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [22832780] [2022-03-19 07:07:44,866 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:44,867 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:44,867 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:44,867 INFO L85 PathProgramCache]: Analyzing trace with hash 339721859, now seen corresponding path program 2 times [2022-03-19 07:07:44,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:44,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722635059] [2022-03-19 07:07:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 07:07:44,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:44,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722635059] [2022-03-19 07:07:44,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722635059] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:44,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:44,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:44,983 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:44,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [22832780] [2022-03-19 07:07:44,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [22832780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:44,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:44,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:44,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71722477] [2022-03-19 07:07:44,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:44,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:44,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:44,985 INFO L87 Difference]: Start difference. First operand 340 states and 558 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:46,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:48,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:49,506 INFO L93 Difference]: Finished difference Result 784 states and 1276 transitions. [2022-03-19 07:07:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:49,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-03-19 07:07:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:49,509 INFO L225 Difference]: With dead ends: 784 [2022-03-19 07:07:49,509 INFO L226 Difference]: Without dead ends: 459 [2022-03-19 07:07:49,510 INFO L911 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 [2022-03-19 07:07:49,510 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 123 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:49,510 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 378 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-03-19 07:07:49,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-03-19 07:07:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 377. [2022-03-19 07:07:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.6559139784946237) internal successors, (616), 372 states have internal predecessors, (616), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 620 transitions. [2022-03-19 07:07:49,572 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 620 transitions. Word has length 83 [2022-03-19 07:07:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:49,574 INFO L478 AbstractCegarLoop]: Abstraction has 377 states and 620 transitions. [2022-03-19 07:07:49,574 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 620 transitions. [2022-03-19 07:07:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-19 07:07:49,585 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:49,585 INFO L500 BasicCegarLoop]: trace histogram [3, 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] [2022-03-19 07:07:49,585 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-19 07:07:49,585 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1799502110, now seen corresponding path program 1 times [2022-03-19 07:07:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:49,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [928881885] [2022-03-19 07:07:49,600 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:49,600 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:49,600 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1799502110, now seen corresponding path program 2 times [2022-03-19 07:07:49,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:49,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107936157] [2022-03-19 07:07:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-03-19 07:07:49,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:49,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107936157] [2022-03-19 07:07:49,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107936157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:49,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:49,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:49,712 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:49,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [928881885] [2022-03-19 07:07:49,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [928881885] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:49,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:49,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:49,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502633558] [2022-03-19 07:07:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:49,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:49,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:49,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:49,714 INFO L87 Difference]: Start difference. First operand 377 states and 620 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:50,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:52,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:53,704 INFO L93 Difference]: Finished difference Result 858 states and 1399 transitions. [2022-03-19 07:07:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-19 07:07:53,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:53,707 INFO L225 Difference]: With dead ends: 858 [2022-03-19 07:07:53,707 INFO L226 Difference]: Without dead ends: 496 [2022-03-19 07:07:53,708 INFO L911 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 [2022-03-19 07:07:53,708 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 144 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:53,709 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 402 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 507 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-03-19 07:07:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-03-19 07:07:53,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 393. [2022-03-19 07:07:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 388 states have (on average 1.6391752577319587) internal successors, (636), 388 states have internal predecessors, (636), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 640 transitions. [2022-03-19 07:07:53,725 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 640 transitions. Word has length 84 [2022-03-19 07:07:53,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:53,725 INFO L478 AbstractCegarLoop]: Abstraction has 393 states and 640 transitions. [2022-03-19 07:07:53,725 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 640 transitions. [2022-03-19 07:07:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-19 07:07:53,726 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:53,726 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 07:07:53,726 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-19 07:07:53,726 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:53,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:53,727 INFO L85 PathProgramCache]: Analyzing trace with hash -439368957, now seen corresponding path program 1 times [2022-03-19 07:07:53,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:53,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1498077625] [2022-03-19 07:07:53,733 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:53,733 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:53,734 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash -439368957, now seen corresponding path program 2 times [2022-03-19 07:07:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:53,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326817944] [2022-03-19 07:07:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-19 07:07:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:53,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326817944] [2022-03-19 07:07:53,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326817944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:53,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:53,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:53,820 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:53,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1498077625] [2022-03-19 07:07:53,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1498077625] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:53,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:53,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124342066] [2022-03-19 07:07:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:53,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:53,821 INFO L87 Difference]: Start difference. First operand 393 states and 640 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) [2022-03-19 07:07:56,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:58,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:07:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:07:59,125 INFO L93 Difference]: Finished difference Result 799 states and 1301 transitions. [2022-03-19 07:07:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:07:59,126 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 84 [2022-03-19 07:07:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:07:59,127 INFO L225 Difference]: With dead ends: 799 [2022-03-19 07:07:59,127 INFO L226 Difference]: Without dead ends: 421 [2022-03-19 07:07:59,128 INFO L911 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 [2022-03-19 07:07:59,129 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 21 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-03-19 07:07:59,129 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 481 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 365 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-03-19 07:07:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-03-19 07:07:59,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 404. [2022-03-19 07:07:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 399 states have (on average 1.6390977443609023) internal successors, (654), 399 states have internal predecessors, (654), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:07:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 658 transitions. [2022-03-19 07:07:59,146 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 658 transitions. Word has length 84 [2022-03-19 07:07:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:07:59,146 INFO L478 AbstractCegarLoop]: Abstraction has 404 states and 658 transitions. [2022-03-19 07:07:59,146 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) [2022-03-19 07:07:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 658 transitions. [2022-03-19 07:07:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-03-19 07:07:59,148 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:07:59,148 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-03-19 07:07:59,148 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-19 07:07:59,148 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:07:59,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:07:59,149 INFO L85 PathProgramCache]: Analyzing trace with hash -126051705, now seen corresponding path program 1 times [2022-03-19 07:07:59,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:59,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [544463282] [2022-03-19 07:07:59,156 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:07:59,157 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:07:59,157 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:07:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash -126051705, now seen corresponding path program 2 times [2022-03-19 07:07:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:07:59,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503870765] [2022-03-19 07:07:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:07:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:07:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:07:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:07:59,260 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-03-19 07:07:59,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:07:59,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503870765] [2022-03-19 07:07:59,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503870765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:59,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:59,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:59,261 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:07:59,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [544463282] [2022-03-19 07:07:59,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [544463282] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:07:59,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:07:59,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:07:59,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605764953] [2022-03-19 07:07:59,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:07:59,262 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:07:59,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:07:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:07:59,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:07:59,263 INFO L87 Difference]: Start difference. First operand 404 states and 658 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) [2022-03-19 07:08:02,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 07:08:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:08:02,529 INFO L93 Difference]: Finished difference Result 861 states and 1390 transitions. [2022-03-19 07:08:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:08:02,529 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 85 [2022-03-19 07:08:02,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:08:02,531 INFO L225 Difference]: With dead ends: 861 [2022-03-19 07:08:02,531 INFO L226 Difference]: Without dead ends: 483 [2022-03-19 07:08:02,532 INFO L911 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 [2022-03-19 07:08:02,532 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 143 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-03-19 07:08:02,533 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 378 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-03-19 07:08:02,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-03-19 07:08:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 404. [2022-03-19 07:08:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 399 states have (on average 1.619047619047619) internal successors, (646), 399 states have internal predecessors, (646), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:08:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 650 transitions. [2022-03-19 07:08:02,550 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 650 transitions. Word has length 85 [2022-03-19 07:08:02,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:08:02,550 INFO L478 AbstractCegarLoop]: Abstraction has 404 states and 650 transitions. [2022-03-19 07:08:02,550 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) [2022-03-19 07:08:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 650 transitions. [2022-03-19 07:08:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 07:08:02,551 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:08:02,551 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2022-03-19 07:08:02,552 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-19 07:08:02,552 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:08:02,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:08:02,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1192210051, now seen corresponding path program 1 times [2022-03-19 07:08:02,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:08:02,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [535073720] [2022-03-19 07:08:02,564 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:08:02,564 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:08:02,564 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 07:08:02,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1192210051, now seen corresponding path program 2 times [2022-03-19 07:08:02,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:08:02,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813876104] [2022-03-19 07:08:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:08:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:08:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:08:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 07:08:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 07:08:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-19 07:08:02,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 07:08:02,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813876104] [2022-03-19 07:08:02,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813876104] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:08:02,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:08:02,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:08:02,693 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 07:08:02,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [535073720] [2022-03-19 07:08:02,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [535073720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 07:08:02,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 07:08:02,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 07:08:02,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541365494] [2022-03-19 07:08:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 07:08:02,693 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 07:08:02,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 07:08:02,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 07:08:02,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 07:08:02,694 INFO L87 Difference]: Start difference. First operand 404 states and 650 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) [2022-03-19 07:08:05,300 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 [] [2022-03-19 07:08:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 07:08:06,208 INFO L93 Difference]: Finished difference Result 860 states and 1374 transitions. [2022-03-19 07:08:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 07:08:06,208 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 98 [2022-03-19 07:08:06,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 07:08:06,210 INFO L225 Difference]: With dead ends: 860 [2022-03-19 07:08:06,210 INFO L226 Difference]: Without dead ends: 482 [2022-03-19 07:08:06,211 INFO L911 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 [2022-03-19 07:08:06,211 INFO L912 BasicCegarLoop]: 136 mSDtfsCounter, 148 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-19 07:08:06,211 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 380 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-19 07:08:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-03-19 07:08:06,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 404. [2022-03-19 07:08:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 399 states have (on average 1.5964912280701755) internal successors, (637), 399 states have internal predecessors, (637), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 07:08:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 641 transitions. [2022-03-19 07:08:06,228 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 641 transitions. Word has length 98 [2022-03-19 07:08:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 07:08:06,229 INFO L478 AbstractCegarLoop]: Abstraction has 404 states and 641 transitions. [2022-03-19 07:08:06,229 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) [2022-03-19 07:08:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 641 transitions. [2022-03-19 07:08:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 07:08:06,230 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 07:08:06,230 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2022-03-19 07:08:06,230 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-19 07:08:06,230 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 07:08:06,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 07:08:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash 96471313, now seen corresponding path program 1 times [2022-03-19 07:08:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 07:08:06,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [39157404] [2022-03-19 07:08:06,287 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 18 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-19 07:08:06,288 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:08:06,288 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:08:06,289 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-19 07:08:06,289 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-19 07:08:06,290 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-19 07:08:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1675195156, now seen corresponding path program 1 times [2022-03-19 07:08:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 07:08:06,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958956882] [2022-03-19 07:08:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 07:08:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 07:08:06,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-19 07:08:06,332 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.runStrategy(AcceleratedInterpolationCore.java:300) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:289) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAcceleratedInterpolation.construct(IpTcStrategyModuleAcceleratedInterpolation.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:471) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertCodeBlocks.java:109) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 40 more [2022-03-19 07:08:06,335 INFO L158 Benchmark]: Toolchain (without parser) took 52328.99ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 113.8MB in the beginning and 147.0MB in the end (delta: -33.2MB). Peak memory consumption was 93.6MB. Max. memory is 8.0GB. [2022-03-19 07:08:06,335 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-19 07:08:06,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.77ms. Allocated memory was 167.8MB in the beginning and 244.3MB in the end (delta: 76.5MB). Free memory was 113.6MB in the beginning and 199.7MB in the end (delta: -86.1MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-03-19 07:08:06,335 INFO L158 Benchmark]: Boogie Preprocessor took 117.92ms. Allocated memory is still 244.3MB. Free memory was 199.7MB in the beginning and 192.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-19 07:08:06,336 INFO L158 Benchmark]: RCFGBuilder took 1342.94ms. Allocated memory is still 244.3MB. Free memory was 192.0MB in the beginning and 185.8MB in the end (delta: 6.2MB). Peak memory consumption was 51.6MB. Max. memory is 8.0GB. [2022-03-19 07:08:06,336 INFO L158 Benchmark]: TraceAbstraction took 50291.18ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 185.3MB in the beginning and 147.0MB in the end (delta: 38.3MB). Peak memory consumption was 87.6MB. Max. memory is 8.0GB. [2022-03-19 07:08:06,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 570.77ms. Allocated memory was 167.8MB in the beginning and 244.3MB in the end (delta: 76.5MB). Free memory was 113.6MB in the beginning and 199.7MB in the end (delta: -86.1MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 117.92ms. Allocated memory is still 244.3MB. Free memory was 199.7MB in the beginning and 192.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1342.94ms. Allocated memory is still 244.3MB. Free memory was 192.0MB in the beginning and 185.8MB in the end (delta: 6.2MB). Peak memory consumption was 51.6MB. Max. memory is 8.0GB. * TraceAbstraction took 50291.18ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 185.3MB in the beginning and 147.0MB in the end (delta: 38.3MB). Peak memory consumption was 87.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-19 07:08:06,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...