/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 05:17:15,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 05:17:15,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 05:17:15,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 05:17:15,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 05:17:15,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 05:17:15,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 05:17:15,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 05:17:15,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 05:17:15,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 05:17:15,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 05:17:15,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 05:17:15,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 05:17:15,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 05:17:15,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 05:17:15,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 05:17:15,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 05:17:15,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 05:17:15,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 05:17:15,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 05:17:15,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 05:17:15,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 05:17:15,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 05:17:15,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 05:17:15,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 05:17:15,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 05:17:15,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 05:17:15,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 05:17:15,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 05:17:15,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 05:17:15,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 05:17:15,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 05:17:15,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 05:17:15,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 05:17:15,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 05:17:15,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 05:17:15,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 05:17:15,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 05:17:15,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 05:17:15,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 05:17:15,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 05:17:15,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 05:17:15,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 05:17:15,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 05:17:15,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 05:17:15,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 05:17:15,571 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 05:17:15,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 05:17:15,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 05:17:15,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 05:17:15,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 05:17:15,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 05:17:15,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 05:17:15,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 05:17:15,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 05:17:15,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 05:17:15,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 05:17:15,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 05:17:15,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 05:17:15,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 05:17:15,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 05:17:15,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 05:17:15,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 05:17:15,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 05:17:15,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 05:17:15,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 05:17:15,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 05:17:15,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 05:17:15,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 05:17:15,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 05:17:15,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 05:17:15,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-28 05:17:16,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 05:17:16,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 05:17:16,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 05:17:16,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 05:17:16,112 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 05:17:16,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-1.c [2020-08-28 05:17:16,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e73229599/aa3beb8df55a4b64b57c84610af00ad8/FLAGaa1e157f4 [2020-08-28 05:17:16,822 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 05:17:16,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-1.c [2020-08-28 05:17:16,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e73229599/aa3beb8df55a4b64b57c84610af00ad8/FLAGaa1e157f4 [2020-08-28 05:17:17,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e73229599/aa3beb8df55a4b64b57c84610af00ad8 [2020-08-28 05:17:17,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 05:17:17,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 05:17:17,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 05:17:17,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 05:17:17,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 05:17:17,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243023c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17, skipping insertion in model container [2020-08-28 05:17:17,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 05:17:17,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 05:17:17,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:17:17,548 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 05:17:17,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:17:17,724 INFO L208 MainTranslator]: Completed translation [2020-08-28 05:17:17,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17 WrapperNode [2020-08-28 05:17:17,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 05:17:17,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 05:17:17,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 05:17:17,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 05:17:17,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... [2020-08-28 05:17:17,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 05:17:17,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 05:17:17,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 05:17:17,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 05:17:17,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 05:17:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 05:17:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 05:17:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-08-28 05:17:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 05:17:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 05:17:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-28 05:17:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 05:17:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-28 05:17:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-08-28 05:17:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 05:17:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 05:17:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 05:17:18,187 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-28 05:17:18,748 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2020-08-28 05:17:18,749 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2020-08-28 05:17:18,762 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 05:17:18,763 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-28 05:17:18,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:17:18 BoogieIcfgContainer [2020-08-28 05:17:18,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 05:17:18,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 05:17:18,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 05:17:18,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 05:17:18,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 05:17:17" (1/3) ... [2020-08-28 05:17:18,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c84b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:17:18, skipping insertion in model container [2020-08-28 05:17:18,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:17:17" (2/3) ... [2020-08-28 05:17:18,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c84b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:17:18, skipping insertion in model container [2020-08-28 05:17:18,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:17:18" (3/3) ... [2020-08-28 05:17:18,780 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2020-08-28 05:17:18,792 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 05:17:18,803 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 05:17:18,825 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 05:17:18,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 05:17:18,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 05:17:18,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 05:17:18,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 05:17:18,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 05:17:18,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 05:17:18,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 05:17:18,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 05:17:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-08-28 05:17:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-08-28 05:17:18,889 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 05:17:18,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 05:17:18,891 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 05:17:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 05:17:18,897 INFO L82 PathProgramCache]: Analyzing trace with hash -733506576, now seen corresponding path program 1 times [2020-08-28 05:17:18,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 05:17:18,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020709260] [2020-08-28 05:17:18,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 05:17:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-28 05:17:19,081 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-28 05:17:19,082 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-28 05:17:19,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 05:17:19,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 05:17:19 BoogieIcfgContainer [2020-08-28 05:17:19,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-28 05:17:19,115 INFO L168 Benchmark]: Toolchain (without parser) took 1986.58 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 103.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 60.8 MB. Max. memory is 7.1 GB. [2020-08-28 05:17:19,116 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 05:17:19,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.42 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 176.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-08-28 05:17:19,118 INFO L168 Benchmark]: Boogie Preprocessor took 100.20 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 172.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-08-28 05:17:19,119 INFO L168 Benchmark]: RCFGBuilder took 943.96 ms. Allocated memory is still 201.3 MB. Free memory was 172.9 MB in the beginning and 117.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2020-08-28 05:17:19,120 INFO L168 Benchmark]: TraceAbstraction took 340.16 ms. Allocated memory is still 201.3 MB. Free memory was 116.7 MB in the beginning and 103.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-08-28 05:17:19,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.42 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 176.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.20 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 172.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 943.96 ms. Allocated memory is still 201.3 MB. Free memory was 172.9 MB in the beginning and 117.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 340.16 ms. Allocated memory is still 201.3 MB. Free memory was 116.7 MB in the beginning and 103.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 670]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L675] int s ; [L676] int tmp ; [L680] s = 8464 [L681] CALL ssl3_accept(s) [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 [L81] COND FALSE !(s__info_callback != 0) [L84] COND TRUE s__ctx__info_callback != 0 [L85] cb = s__ctx__info_callback [L87] COND TRUE cb != 0 [L670] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 167 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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! Received shutdown request...