/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -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 0.1.25-5644d1e-m [2020-08-18 17:53:36,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:53:36,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:53:36,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:53:36,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:53:36,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:53:36,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:53:36,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:53:36,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:53:36,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:53:36,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:53:36,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:53:36,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:53:36,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:53:36,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:53:36,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:53:36,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:53:36,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:53:36,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:53:36,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:53:36,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:53:36,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:53:36,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:53:36,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:53:36,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:53:36,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:53:36,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:53:36,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:53:36,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:53:36,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:53:36,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:53:36,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:53:36,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:53:36,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:53:36,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:53:36,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:53:36,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:53:36,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:53:36,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:53:36,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:53:36,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:53:36,584 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 [2020-08-18 17:53:36,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:53:36,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:53:36,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:53:36,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:53:36,607 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:53:36,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:53:36,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:53:36,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:53:36,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:53:36,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:53:36,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:53:36,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:53:36,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:53:36,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:53:36,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:53:36,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:53:36,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:53:36,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:53:36,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:53:36,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:53:36,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:53:36,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:53:36,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:53:36,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:53:36,613 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=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:53:36,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:53:36,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:53:36,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:53:36,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:53:36,965 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:53:36,966 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-1.c [2020-08-18 17:53:37,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2e686389/bc331ed2ef484c009764dc5d7994a5c0/FLAGdc86d8725 [2020-08-18 17:53:37,582 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:53:37,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-1.c [2020-08-18 17:53:37,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2e686389/bc331ed2ef484c009764dc5d7994a5c0/FLAGdc86d8725 [2020-08-18 17:53:37,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e2e686389/bc331ed2ef484c009764dc5d7994a5c0 [2020-08-18 17:53:37,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:53:37,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:53:37,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:53:37,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:53:37,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:53:37,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:53:37" (1/1) ... [2020-08-18 17:53:37,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcb8091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:37, skipping insertion in model container [2020-08-18 17:53:37,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:53:37" (1/1) ... [2020-08-18 17:53:37,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:53:37,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:53:38,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:53:38,279 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:53:38,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:53:38,451 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:53:38,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38 WrapperNode [2020-08-18 17:53:38,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:53:38,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:53:38,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:53:38,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:53:38,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (1/1) ... [2020-08-18 17:53:38,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:53:38,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:53:38,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:53:38,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:53:38,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (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 [2020-08-18 17:53:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:53:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:53:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-08-18 17:53:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:53:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:53:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-18 17:53:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:53:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-18 17:53:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-08-18 17:53:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:53:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:53:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:53:38,804 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 17:53:39,440 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2020-08-18 17:53:39,441 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2020-08-18 17:53:39,458 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:53:39,459 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 17:53:39,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:53:39 BoogieIcfgContainer [2020-08-18 17:53:39,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:53:39,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:53:39,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:53:39,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:53:39,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:53:37" (1/3) ... [2020-08-18 17:53:39,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f5206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:53:39, skipping insertion in model container [2020-08-18 17:53:39,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:53:38" (2/3) ... [2020-08-18 17:53:39,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f5206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:53:39, skipping insertion in model container [2020-08-18 17:53:39,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:53:39" (3/3) ... [2020-08-18 17:53:39,487 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2020-08-18 17:53:39,499 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:53:39,511 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:53:39,526 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:53:39,559 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:53:39,559 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:53:39,559 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:53:39,559 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:53:39,560 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:53:39,560 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:53:39,560 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:53:39,560 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:53:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-08-18 17:53:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-08-18 17:53:39,590 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:53:39,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:53:39,592 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:53:39,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:53:39,598 INFO L82 PathProgramCache]: Analyzing trace with hash -733506576, now seen corresponding path program 1 times [2020-08-18 17:53:39,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:53:39,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839248438] [2020-08-18 17:53:39,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:53:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-18 17:53:39,751 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-18 17:53:39,752 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-18 17:53:39,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:53:39,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:53:39 BoogieIcfgContainer [2020-08-18 17:53:39,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:53:39,777 INFO L168 Benchmark]: Toolchain (without parser) took 1859.70 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 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 61.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,778 INFO L168 Benchmark]: CDTParser took 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.39 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 176.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,781 INFO L168 Benchmark]: Boogie Preprocessor took 65.58 ms. Allocated memory is still 201.9 MB. Free memory was 176.1 MB in the beginning and 173.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,782 INFO L168 Benchmark]: RCFGBuilder took 950.68 ms. Allocated memory is still 201.9 MB. Free memory was 173.2 MB in the beginning and 117.6 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,783 INFO L168 Benchmark]: TraceAbstraction took 302.19 ms. Allocated memory is still 201.9 MB. Free memory was 116.9 MB in the beginning and 103.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:53:39,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 534.39 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 176.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.58 ms. Allocated memory is still 201.9 MB. Free memory was 176.1 MB in the beginning and 173.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 950.68 ms. Allocated memory is still 201.9 MB. Free memory was 173.2 MB in the beginning and 117.6 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 302.19 ms. Allocated memory is still 201.9 MB. Free memory was 116.9 MB in the beginning and 103.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 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...