/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:13:33,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:13:33,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:13:33,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:13:33,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:13:33,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:13:33,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:13:33,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:13:33,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:13:33,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:13:33,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:13:33,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:13:33,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:13:33,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:13:33,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:13:33,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:13:33,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:13:33,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:13:33,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:13:33,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:13:33,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:13:33,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:13:33,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:13:33,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:13:33,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 01:13:33,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:13:33,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:13:33,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:13:33,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:13:33,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:13:33,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:13:33,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:13:33,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:13:33,277 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:13:33,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:13:33,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:13:33,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:13:33,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:13:33,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:13:33,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:13:33,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:13:33,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:13:33,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:13:33,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:13:33,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:13:33,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:13:33,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:13:33,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:13:33,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:13:33,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:13:33,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:13:33,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:13:33,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:13:33,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:13:33,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:13:33,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:13:33,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:13:33,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:13:33,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:13:33,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:13:33,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:13:33,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:13:33,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:13:33,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2019-11-07 01:13:33,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3bf26f/6b4dbd3524f44e20ac8ab74ebd40aa11/FLAGe85e54b2e [2019-11-07 01:13:34,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:13:34,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2019-11-07 01:13:34,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3bf26f/6b4dbd3524f44e20ac8ab74ebd40aa11/FLAGe85e54b2e [2019-11-07 01:13:34,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3bf26f/6b4dbd3524f44e20ac8ab74ebd40aa11 [2019-11-07 01:13:34,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:13:34,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:13:34,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:13:34,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:13:34,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:13:34,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:34" (1/1) ... [2019-11-07 01:13:34,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd451c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:34, skipping insertion in model container [2019-11-07 01:13:34,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:34" (1/1) ... [2019-11-07 01:13:34,522 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:13:34,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:13:34,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:13:34,861 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:13:35,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:13:35,053 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:13:35,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35 WrapperNode [2019-11-07 01:13:35,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:13:35,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:13:35,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:13:35,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:13:35,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... [2019-11-07 01:13:35,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:13:35,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:13:35,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:13:35,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:13:35,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-07 01:13:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:13:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:13:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-11-07 01:13:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:13:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:13:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 01:13:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:13:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 01:13:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 01:13:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-11-07 01:13:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:13:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:13:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:13:35,424 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 01:13:36,002 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-07 01:13:36,003 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-07 01:13:36,006 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:13:36,006 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:13:36,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:36 BoogieIcfgContainer [2019-11-07 01:13:36,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:13:36,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:13:36,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:13:36,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:13:36,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:13:34" (1/3) ... [2019-11-07 01:13:36,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b78ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:36, skipping insertion in model container [2019-11-07 01:13:36,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:35" (2/3) ... [2019-11-07 01:13:36,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b78ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:36, skipping insertion in model container [2019-11-07 01:13:36,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:36" (3/3) ... [2019-11-07 01:13:36,017 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2019-11-07 01:13:36,029 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:13:36,038 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:13:36,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:13:36,079 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:13:36,079 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:13:36,079 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:13:36,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:13:36,079 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:13:36,080 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:13:36,080 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:13:36,080 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:13:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-11-07 01:13:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-07 01:13:36,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:36,109 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:36,110 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:36,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:36,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2014227619, now seen corresponding path program 1 times [2019-11-07 01:13:36,126 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:36,127 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422388231] [2019-11-07 01:13:36,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:36,419 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422388231] [2019-11-07 01:13:36,420 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:36,421 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:36,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340848819] [2019-11-07 01:13:36,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:36,430 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:36,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:36,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:36,449 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 5 states. [2019-11-07 01:13:36,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:36,826 INFO L93 Difference]: Finished difference Result 321 states and 540 transitions. [2019-11-07 01:13:36,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:36,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-07 01:13:36,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:36,848 INFO L225 Difference]: With dead ends: 321 [2019-11-07 01:13:36,848 INFO L226 Difference]: Without dead ends: 158 [2019-11-07 01:13:36,853 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-07 01:13:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2019-11-07 01:13:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-07 01:13:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 241 transitions. [2019-11-07 01:13:36,920 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 241 transitions. Word has length 28 [2019-11-07 01:13:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:36,921 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 241 transitions. [2019-11-07 01:13:36,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2019-11-07 01:13:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-07 01:13:36,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:36,923 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:36,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:36,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:36,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1323094779, now seen corresponding path program 1 times [2019-11-07 01:13:36,925 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:36,925 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462533588] [2019-11-07 01:13:36,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:37,013 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462533588] [2019-11-07 01:13:37,013 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:37,013 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:37,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454604207] [2019-11-07 01:13:37,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:37,016 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:37,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:37,017 INFO L87 Difference]: Start difference. First operand 156 states and 241 transitions. Second operand 5 states. [2019-11-07 01:13:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:37,255 INFO L93 Difference]: Finished difference Result 319 states and 499 transitions. [2019-11-07 01:13:37,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:37,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-07 01:13:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:37,258 INFO L225 Difference]: With dead ends: 319 [2019-11-07 01:13:37,258 INFO L226 Difference]: Without dead ends: 176 [2019-11-07 01:13:37,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-07 01:13:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2019-11-07 01:13:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-11-07 01:13:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 272 transitions. [2019-11-07 01:13:37,278 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 272 transitions. Word has length 29 [2019-11-07 01:13:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:37,278 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 272 transitions. [2019-11-07 01:13:37,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2019-11-07 01:13:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-07 01:13:37,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:37,280 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:37,280 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:37,281 INFO L82 PathProgramCache]: Analyzing trace with hash 172406080, now seen corresponding path program 1 times [2019-11-07 01:13:37,281 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:37,281 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767417306] [2019-11-07 01:13:37,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:37,368 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767417306] [2019-11-07 01:13:37,369 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:37,369 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:37,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17683461] [2019-11-07 01:13:37,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:37,371 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:37,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:37,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:37,372 INFO L87 Difference]: Start difference. First operand 174 states and 272 transitions. Second operand 5 states. [2019-11-07 01:13:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:37,648 INFO L93 Difference]: Finished difference Result 336 states and 529 transitions. [2019-11-07 01:13:37,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:37,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-07 01:13:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:37,653 INFO L225 Difference]: With dead ends: 336 [2019-11-07 01:13:37,654 INFO L226 Difference]: Without dead ends: 175 [2019-11-07 01:13:37,657 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-07 01:13:37,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-07 01:13:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-07 01:13:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 273 transitions. [2019-11-07 01:13:37,688 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 273 transitions. Word has length 29 [2019-11-07 01:13:37,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:37,688 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 273 transitions. [2019-11-07 01:13:37,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2019-11-07 01:13:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-07 01:13:37,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:37,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:37,692 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:37,693 INFO L82 PathProgramCache]: Analyzing trace with hash 923618867, now seen corresponding path program 1 times [2019-11-07 01:13:37,694 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:37,694 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984885618] [2019-11-07 01:13:37,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:37,814 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984885618] [2019-11-07 01:13:37,814 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:37,814 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:37,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455402090] [2019-11-07 01:13:37,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:37,815 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:37,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:37,816 INFO L87 Difference]: Start difference. First operand 175 states and 273 transitions. Second operand 5 states. [2019-11-07 01:13:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:38,028 INFO L93 Difference]: Finished difference Result 346 states and 541 transitions. [2019-11-07 01:13:38,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:38,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-07 01:13:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:38,030 INFO L225 Difference]: With dead ends: 346 [2019-11-07 01:13:38,031 INFO L226 Difference]: Without dead ends: 184 [2019-11-07 01:13:38,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:38,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-07 01:13:38,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-11-07 01:13:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-07 01:13:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 282 transitions. [2019-11-07 01:13:38,045 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 282 transitions. Word has length 30 [2019-11-07 01:13:38,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:38,045 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 282 transitions. [2019-11-07 01:13:38,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 282 transitions. [2019-11-07 01:13:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-07 01:13:38,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:38,047 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:38,047 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:38,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:38,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1826212233, now seen corresponding path program 1 times [2019-11-07 01:13:38,048 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:38,048 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079894313] [2019-11-07 01:13:38,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:38,101 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079894313] [2019-11-07 01:13:38,102 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:38,102 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:38,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436851717] [2019-11-07 01:13:38,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:38,103 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:38,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:38,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:38,104 INFO L87 Difference]: Start difference. First operand 184 states and 282 transitions. Second operand 5 states. [2019-11-07 01:13:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:38,301 INFO L93 Difference]: Finished difference Result 365 states and 559 transitions. [2019-11-07 01:13:38,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:38,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-07 01:13:38,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:38,303 INFO L225 Difference]: With dead ends: 365 [2019-11-07 01:13:38,303 INFO L226 Difference]: Without dead ends: 194 [2019-11-07 01:13:38,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:38,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-07 01:13:38,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2019-11-07 01:13:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-07 01:13:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 280 transitions. [2019-11-07 01:13:38,317 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 280 transitions. Word has length 31 [2019-11-07 01:13:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:38,317 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 280 transitions. [2019-11-07 01:13:38,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 280 transitions. [2019-11-07 01:13:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-07 01:13:38,319 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:38,319 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:38,319 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:38,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:38,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1370712817, now seen corresponding path program 1 times [2019-11-07 01:13:38,320 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:38,320 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262598823] [2019-11-07 01:13:38,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:38,381 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262598823] [2019-11-07 01:13:38,381 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:38,381 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:38,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743294958] [2019-11-07 01:13:38,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:38,382 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:38,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:38,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:38,384 INFO L87 Difference]: Start difference. First operand 184 states and 280 transitions. Second operand 5 states. [2019-11-07 01:13:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:38,573 INFO L93 Difference]: Finished difference Result 365 states and 555 transitions. [2019-11-07 01:13:38,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:38,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-07 01:13:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:38,575 INFO L225 Difference]: With dead ends: 365 [2019-11-07 01:13:38,576 INFO L226 Difference]: Without dead ends: 194 [2019-11-07 01:13:38,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:13:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-07 01:13:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2019-11-07 01:13:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-07 01:13:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 278 transitions. [2019-11-07 01:13:38,587 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 278 transitions. Word has length 32 [2019-11-07 01:13:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:38,587 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 278 transitions. [2019-11-07 01:13:38,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 278 transitions. [2019-11-07 01:13:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-07 01:13:38,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:38,589 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:38,589 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:38,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:38,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1592117890, now seen corresponding path program 1 times [2019-11-07 01:13:38,590 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:38,590 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125549195] [2019-11-07 01:13:38,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 01:13:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 01:13:38,657 INFO L172 FreeRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-11-07 01:13:38,657 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-07 01:13:38,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:13:38 BoogieIcfgContainer [2019-11-07 01:13:38,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:13:38,726 INFO L168 Benchmark]: Toolchain (without parser) took 4220.24 ms. Allocated memory was 138.4 MB in the beginning and 245.4 MB in the end (delta: 107.0 MB). Free memory was 102.1 MB in the beginning and 92.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,727 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 178.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,729 INFO L168 Benchmark]: Boogie Preprocessor took 78.84 ms. Allocated memory is still 202.9 MB. Free memory was 178.7 MB in the beginning and 175.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,730 INFO L168 Benchmark]: RCFGBuilder took 874.42 ms. Allocated memory is still 202.9 MB. Free memory was 175.7 MB in the beginning and 124.3 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,731 INFO L168 Benchmark]: TraceAbstraction took 2714.25 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 123.6 MB in the beginning and 92.8 MB in the end (delta: 30.8 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:38,735 INFO L335 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 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 178.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.84 ms. Allocated memory is still 202.9 MB. Free memory was 178.7 MB in the beginning and 175.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 874.42 ms. Allocated memory is still 202.9 MB. Free memory was 175.7 MB in the beginning and 124.3 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2714.25 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 123.6 MB in the beginning and 92.8 MB in the end (delta: 30.8 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 629]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L635] int s ; [L636] int tmp ; [L640] s = 8464 VAL [s=8464] [L641] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 = 1; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf = __VERIFIER_nondet_int() ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp = __VERIFIER_nondet_long() ; [L46] int cb ; [L47] long num1 ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 ; [L62] int tmp___10 ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L73] s__s3__tmp__new_cipher__algorithms = 0 [L74] __cil_tmp56 = 0 [L75] __cil_tmp57 = 0 [L76] __cil_tmp58 = 0 [L77] __cil_tmp59 = 0 [L78] __cil_tmp60 = 0 [L79] __cil_tmp61 = 0 [L80] s__s3__tmp__reuse_message = 0 [L81] s__state = initial_state [L82] blastFlag = 0 [L83] Time = tmp [L84] cb = 0 [L85] ret = -1 [L86] skip = 0 [L87] got_new_session = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=0, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L88] COND TRUE s__info_callback != 0 [L89] cb = s__info_callback VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L95] s__in_handshake ++ VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L96] COND FALSE !(tmp___1 + 12288) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L101] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L105] COND TRUE 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L107] state = s__state VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L108] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L111] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L114] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L117] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L120] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L123] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L126] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L129] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L132] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L276] s__shutdown = 0 [L277] ret = __VERIFIER_nondet_int() [L278] COND TRUE blastFlag == 0 [L279] blastFlag = 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L281] COND FALSE !(ret <= 0) [L284] got_new_session = 1 [L285] s__state = 8496 [L286] s__init_num = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L592] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L593] COND TRUE ! skip VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L594] COND TRUE state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L595] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L596] COND TRUE cb != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L597] COND TRUE s__info_callback != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] [L629] __VERIFIER_error() VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=-12288, tmp___2=0, tmp___8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 872 SDtfs, 2519 SDslu, 1056 SDs, 0 SdLazy, 947 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...