/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 00:34:34,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 00:34:34,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 00:34:34,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 00:34:34,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 00:34:34,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 00:34:34,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 00:34:34,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 00:34:34,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 00:34:34,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 00:34:34,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 00:34:34,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 00:34:34,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 00:34:34,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 00:34:34,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 00:34:34,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 00:34:34,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 00:34:34,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 00:34:34,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 00:34:34,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 00:34:34,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 00:34:34,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 00:34:34,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 00:34:34,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 00:34:34,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-24 00:34:34,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-24 00:34:34,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-24 00:34:34,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-24 00:34:34,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-24 00:34:34,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-24 00:34:34,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-24 00:34:34,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-24 00:34:34,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-24 00:34:34,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-24 00:34:34,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-24 00:34:34,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-24 00:34:34,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-24 00:34:34,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-24 00:34:34,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 00:34:34,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 00:34:34,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 00:34:34,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-02-24 00:34:34,653 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 00:34:34,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 00:34:34,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-24 00:34:34,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-24 00:34:34,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-24 00:34:34,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-24 00:34:34,656 INFO L138 SettingsManager]: * Use SBE=true [2022-02-24 00:34:34,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 00:34:34,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 00:34:34,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 00:34:34,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 00:34:34,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 00:34:34,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:34:34,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-24 00:34:34,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-24 00:34:34,660 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-24 00:34:34,660 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 00:34:34,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 00:34:34,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 00:34:34,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 00:34:34,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 00:34:34,880 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 00:34:34,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c [2022-02-24 00:34:34,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b66e606/eebc1c3c84d245259797d73e4be71cd2/FLAG7193004d7 [2022-02-24 00:34:35,288 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 00:34:35,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c [2022-02-24 00:34:35,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b66e606/eebc1c3c84d245259797d73e4be71cd2/FLAG7193004d7 [2022-02-24 00:34:35,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b66e606/eebc1c3c84d245259797d73e4be71cd2 [2022-02-24 00:34:35,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 00:34:35,315 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-24 00:34:35,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 00:34:35,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 00:34:35,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 00:34:35,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126c9663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35, skipping insertion in model container [2022-02-24 00:34:35,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 00:34:35,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 00:34:35,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c[48499,48512] [2022-02-24 00:34:35,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:34:35,525 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 00:34:35,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c[48499,48512] [2022-02-24 00:34:35,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:34:35,589 INFO L208 MainTranslator]: Completed translation [2022-02-24 00:34:35,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35 WrapperNode [2022-02-24 00:34:35,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 00:34:35,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 00:34:35,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 00:34:35,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 00:34:35,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 00:34:35,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 00:34:35,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 00:34:35,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 00:34:35,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (1/1) ... [2022-02-24 00:34:35,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:34:35,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:34:35,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-24 00:34:35,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-24 00:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 00:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 00:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 00:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-24 00:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 00:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 00:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 00:34:35,740 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 00:34:35,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 00:34:35,811 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:34:36,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-02-24 00:34:36,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-02-24 00:34:36,207 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 00:34:36,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 00:34:36,212 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 00:34:36,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:36 BoogieIcfgContainer [2022-02-24 00:34:36,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 00:34:36,215 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-24 00:34:36,215 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-24 00:34:36,218 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-24 00:34:36,220 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:36" (1/1) ... [2022-02-24 00:34:36,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:34:36 BasicIcfg [2022-02-24 00:34:36,262 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-24 00:34:36,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 00:34:36,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 00:34:36,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 00:34:36,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:34:35" (1/4) ... [2022-02-24 00:34:36,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c56421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:34:36, skipping insertion in model container [2022-02-24 00:34:36,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:34:35" (2/4) ... [2022-02-24 00:34:36,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c56421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:34:36, skipping insertion in model container [2022-02-24 00:34:36,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:34:36" (3/4) ... [2022-02-24 00:34:36,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c56421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:34:36, skipping insertion in model container [2022-02-24 00:34:36,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:34:36" (4/4) ... [2022-02-24 00:34:36,268 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.cqvasr [2022-02-24 00:34:36,272 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-24 00:34:36,272 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 00:34:36,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 00:34:36,322 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-24 00:34:36,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 00:34:36,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 160 states have (on average 1.74375) internal successors, (279), 161 states have internal predecessors, (279), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-24 00:34:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-24 00:34:36,348 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:34:36,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:34:36,349 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:34:36,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:34:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2043307045, now seen corresponding path program 1 times [2022-02-24 00:34:36,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:34:36,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920425279] [2022-02-24 00:34:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:34:36,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:34:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-24 00:34:36,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-24 00:34:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-24 00:34:36,604 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-24 00:34:36,607 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-24 00:34:36,608 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 00:34:36,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 00:34:36,612 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-24 00:34:36,614 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 00:34:36,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:34:36 BasicIcfg [2022-02-24 00:34:36,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 00:34:36,655 INFO L158 Benchmark]: Toolchain (without parser) took 1339.74ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 144.2MB in the beginning and 205.6MB in the end (delta: -61.4MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,655 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 00:34:36,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.84ms. Allocated memory is still 194.0MB. Free memory was 144.0MB in the beginning and 165.8MB in the end (delta: -21.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,656 INFO L158 Benchmark]: Boogie Preprocessor took 32.01ms. Allocated memory is still 194.0MB. Free memory was 165.8MB in the beginning and 163.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,657 INFO L158 Benchmark]: RCFGBuilder took 590.40ms. Allocated memory is still 194.0MB. Free memory was 163.1MB in the beginning and 133.3MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,657 INFO L158 Benchmark]: IcfgTransformer took 46.85ms. Allocated memory is still 194.0MB. Free memory was 133.3MB in the beginning and 129.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,657 INFO L158 Benchmark]: TraceAbstraction took 391.27ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 129.1MB in the beginning and 205.6MB in the end (delta: -76.5MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2022-02-24 00:34:36,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.84ms. Allocated memory is still 194.0MB. Free memory was 144.0MB in the beginning and 165.8MB in the end (delta: -21.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.01ms. Allocated memory is still 194.0MB. Free memory was 165.8MB in the beginning and 163.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 590.40ms. Allocated memory is still 194.0MB. Free memory was 163.1MB in the beginning and 133.3MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 46.85ms. Allocated memory is still 194.0MB. Free memory was 133.3MB in the beginning and 129.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 391.27ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 129.1MB in the beginning and 205.6MB in the end (delta: -76.5MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 682]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L687] int s ; [L688] int tmp ; [L692] s = 8464 VAL [s=8464] [L693] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L52] int s__session__cipher ; [L53] int buf ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp ; [L57] int cb ; [L58] long num1 = __VERIFIER_nondet_long() ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 = __VERIFIER_nondet_int() ; [L67] int tmp___4 = __VERIFIER_nondet_int() ; [L68] int tmp___5 = __VERIFIER_nondet_int() ; [L69] int tmp___6 = __VERIFIER_nondet_int() ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 = __VERIFIER_nondet_int() ; [L73] int tmp___10 = __VERIFIER_nondet_int() ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L85] s__state = initial_state [L86] blastFlag = 0 [L87] tmp = __VERIFIER_nondet_int() [L88] Time = tmp [L89] cb = 0 [L90] ret = -1 [L91] skip = 0 [L92] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L93] COND FALSE !(s__info_callback != 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L96] COND TRUE s__ctx__info_callback != 0 [L97] cb = s__ctx__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L682] reach_error() VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-24 00:34:36,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...