/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 -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:01:17,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:01:17,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:01:17,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:01:17,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:01:17,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:01:17,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:01:17,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:01:17,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:01:17,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:01:17,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:01:17,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:01:17,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:01:17,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:01:17,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:01:17,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:01:17,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:01:17,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:01:17,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:01:17,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:01:17,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:01:17,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:01:17,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:01:17,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:01:17,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:01:17,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:01:17,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:01:17,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:01:17,166 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 [2020-07-17 12:01:17,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:01:17,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:01:17,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:01:17,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:01:17,192 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:01:17,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:01:17,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:01:17,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:01:17,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:01:17,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:01:17,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:01:17,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:01:17,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:01:17,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:01:17,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:01:17,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:01:17,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:01:17,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:01:17,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:01:17,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:01:17,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:01:17,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:01:17,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:01:17,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:01:17,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:01:17,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:01:17,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:01:17,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:01:17,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:01:17,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:01:17,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:01:17,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:01:17,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:01:17,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:01:17,533 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:01:17,534 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-17 12:01:17,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9feceef0b/92b0460539fb476ba77dfde151b78dee/FLAG3443cc464 [2020-07-17 12:01:18,163 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:01:18,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-17 12:01:18,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9feceef0b/92b0460539fb476ba77dfde151b78dee/FLAG3443cc464 [2020-07-17 12:01:18,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9feceef0b/92b0460539fb476ba77dfde151b78dee [2020-07-17 12:01:18,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:01:18,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:01:18,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:01:18,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:01:18,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:01:18,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:01:18" (1/1) ... [2020-07-17 12:01:18,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac544cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:18, skipping insertion in model container [2020-07-17 12:01:18,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:01:18" (1/1) ... [2020-07-17 12:01:18,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:01:18,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:01:18,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:01:18,867 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:01:19,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:01:19,088 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:01:19,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19 WrapperNode [2020-07-17 12:01:19,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:01:19,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:01:19,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:01:19,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:01:19,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (1/1) ... [2020-07-17 12:01:19,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:01:19,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:01:19,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:01:19,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:01:19,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (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 [2020-07-17 12:01:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:01:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:01:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-07-17 12:01:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:01:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:01:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:01:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:01:19,506 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-17 12:01:20,006 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-07-17 12:01:20,007 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-07-17 12:01:20,025 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:01:20,025 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:01:20,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:01:20 BoogieIcfgContainer [2020-07-17 12:01:20,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:01:20,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:01:20,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:01:20,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:01:20,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:01:18" (1/3) ... [2020-07-17 12:01:20,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67edfa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:01:20, skipping insertion in model container [2020-07-17 12:01:20,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:19" (2/3) ... [2020-07-17 12:01:20,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67edfa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:01:20, skipping insertion in model container [2020-07-17 12:01:20,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:01:20" (3/3) ... [2020-07-17 12:01:20,054 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2020-07-17 12:01:20,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:01:20,077 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:01:20,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:01:20,125 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:01:20,126 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:01:20,126 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:01:20,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:01:20,126 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:01:20,127 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:01:20,127 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:01:20,127 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:01:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-07-17 12:01:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-17 12:01:20,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:20,156 INFO L422 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] [2020-07-17 12:01:20,157 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash -2138433857, now seen corresponding path program 1 times [2020-07-17 12:01:20,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:20,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855672077] [2020-07-17 12:01:20,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:20,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855672077] [2020-07-17 12:01:20,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:20,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:20,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645692906] [2020-07-17 12:01:20,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:20,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:20,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:20,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:20,493 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 5 states. [2020-07-17 12:01:20,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:20,962 INFO L93 Difference]: Finished difference Result 333 states and 566 transitions. [2020-07-17 12:01:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:20,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-17 12:01:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:20,994 INFO L225 Difference]: With dead ends: 333 [2020-07-17 12:01:20,994 INFO L226 Difference]: Without dead ends: 166 [2020-07-17 12:01:21,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:21,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-17 12:01:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2020-07-17 12:01:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-17 12:01:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 254 transitions. [2020-07-17 12:01:21,126 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 254 transitions. Word has length 28 [2020-07-17 12:01:21,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:21,127 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 254 transitions. [2020-07-17 12:01:21,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2020-07-17 12:01:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-17 12:01:21,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:21,132 INFO L422 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] [2020-07-17 12:01:21,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:01:21,132 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:21,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:21,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1059341068, now seen corresponding path program 1 times [2020-07-17 12:01:21,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:21,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794399238] [2020-07-17 12:01:21,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:21,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794399238] [2020-07-17 12:01:21,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:21,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:21,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238062555] [2020-07-17 12:01:21,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:21,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:21,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:21,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:21,283 INFO L87 Difference]: Start difference. First operand 162 states and 254 transitions. Second operand 5 states. [2020-07-17 12:01:21,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:21,513 INFO L93 Difference]: Finished difference Result 336 states and 528 transitions. [2020-07-17 12:01:21,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:21,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-17 12:01:21,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:21,516 INFO L225 Difference]: With dead ends: 336 [2020-07-17 12:01:21,517 INFO L226 Difference]: Without dead ends: 187 [2020-07-17 12:01:21,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:21,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-17 12:01:21,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2020-07-17 12:01:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-17 12:01:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 287 transitions. [2020-07-17 12:01:21,552 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 287 transitions. Word has length 29 [2020-07-17 12:01:21,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:21,552 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 287 transitions. [2020-07-17 12:01:21,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2020-07-17 12:01:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-17 12:01:21,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:21,554 INFO L422 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] [2020-07-17 12:01:21,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:01:21,554 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:21,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:21,555 INFO L82 PathProgramCache]: Analyzing trace with hash -947080425, now seen corresponding path program 1 times [2020-07-17 12:01:21,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:21,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640709364] [2020-07-17 12:01:21,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:21,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640709364] [2020-07-17 12:01:21,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:21,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:21,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385925762] [2020-07-17 12:01:21,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:21,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:21,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:21,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:21,644 INFO L87 Difference]: Start difference. First operand 185 states and 287 transitions. Second operand 5 states. [2020-07-17 12:01:21,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:21,864 INFO L93 Difference]: Finished difference Result 367 states and 572 transitions. [2020-07-17 12:01:21,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:21,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-17 12:01:21,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:21,869 INFO L225 Difference]: With dead ends: 367 [2020-07-17 12:01:21,870 INFO L226 Difference]: Without dead ends: 195 [2020-07-17 12:01:21,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-17 12:01:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2020-07-17 12:01:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-17 12:01:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 298 transitions. [2020-07-17 12:01:21,905 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 298 transitions. Word has length 29 [2020-07-17 12:01:21,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:21,905 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 298 transitions. [2020-07-17 12:01:21,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2020-07-17 12:01:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-17 12:01:21,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:21,907 INFO L422 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] [2020-07-17 12:01:21,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:01:21,908 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:21,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:21,909 INFO L82 PathProgramCache]: Analyzing trace with hash 837081432, now seen corresponding path program 1 times [2020-07-17 12:01:21,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:21,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958940269] [2020-07-17 12:01:21,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:22,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958940269] [2020-07-17 12:01:22,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:22,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:22,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639764217] [2020-07-17 12:01:22,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:22,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:22,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:22,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:22,038 INFO L87 Difference]: Start difference. First operand 191 states and 298 transitions. Second operand 5 states. [2020-07-17 12:01:22,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:22,288 INFO L93 Difference]: Finished difference Result 372 states and 582 transitions. [2020-07-17 12:01:22,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:22,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-17 12:01:22,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:22,291 INFO L225 Difference]: With dead ends: 372 [2020-07-17 12:01:22,291 INFO L226 Difference]: Without dead ends: 194 [2020-07-17 12:01:22,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:22,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-17 12:01:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2020-07-17 12:01:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-07-17 12:01:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 299 transitions. [2020-07-17 12:01:22,313 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 299 transitions. Word has length 29 [2020-07-17 12:01:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:22,314 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 299 transitions. [2020-07-17 12:01:22,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 299 transitions. [2020-07-17 12:01:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-17 12:01:22,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:22,317 INFO L422 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] [2020-07-17 12:01:22,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 12:01:22,318 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash -2002433700, now seen corresponding path program 1 times [2020-07-17 12:01:22,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:22,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800393454] [2020-07-17 12:01:22,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:22,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800393454] [2020-07-17 12:01:22,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:22,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:22,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774216820] [2020-07-17 12:01:22,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:22,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:22,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:22,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:22,429 INFO L87 Difference]: Start difference. First operand 192 states and 299 transitions. Second operand 5 states. [2020-07-17 12:01:22,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:22,633 INFO L93 Difference]: Finished difference Result 383 states and 594 transitions. [2020-07-17 12:01:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:22,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-17 12:01:22,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:22,636 INFO L225 Difference]: With dead ends: 383 [2020-07-17 12:01:22,636 INFO L226 Difference]: Without dead ends: 204 [2020-07-17 12:01:22,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-17 12:01:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2020-07-17 12:01:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-07-17 12:01:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 297 transitions. [2020-07-17 12:01:22,650 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 297 transitions. Word has length 30 [2020-07-17 12:01:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:22,650 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 297 transitions. [2020-07-17 12:01:22,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 297 transitions. [2020-07-17 12:01:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-17 12:01:22,660 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:22,660 INFO L422 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] [2020-07-17 12:01:22,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 12:01:22,661 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:22,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:22,661 INFO L82 PathProgramCache]: Analyzing trace with hash 533516532, now seen corresponding path program 1 times [2020-07-17 12:01:22,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:22,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948051284] [2020-07-17 12:01:22,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:22,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948051284] [2020-07-17 12:01:22,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:22,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:22,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049198508] [2020-07-17 12:01:22,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:22,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:22,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:22,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:22,733 INFO L87 Difference]: Start difference. First operand 192 states and 297 transitions. Second operand 5 states. [2020-07-17 12:01:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:22,920 INFO L93 Difference]: Finished difference Result 383 states and 590 transitions. [2020-07-17 12:01:22,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:22,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-17 12:01:22,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:22,922 INFO L225 Difference]: With dead ends: 383 [2020-07-17 12:01:22,922 INFO L226 Difference]: Without dead ends: 204 [2020-07-17 12:01:22,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-17 12:01:22,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2020-07-17 12:01:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-07-17 12:01:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2020-07-17 12:01:22,935 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 31 [2020-07-17 12:01:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:22,936 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2020-07-17 12:01:22,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2020-07-17 12:01:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-17 12:01:22,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:22,937 INFO L422 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] [2020-07-17 12:01:22,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 12:01:22,938 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:22,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:22,938 INFO L82 PathProgramCache]: Analyzing trace with hash -714108489, now seen corresponding path program 1 times [2020-07-17 12:01:22,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:22,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987334778] [2020-07-17 12:01:22,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:22,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987334778] [2020-07-17 12:01:22,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:22,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:22,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217078237] [2020-07-17 12:01:22,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:22,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:22,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:22,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:22,985 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand 5 states. [2020-07-17 12:01:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:23,181 INFO L93 Difference]: Finished difference Result 383 states and 586 transitions. [2020-07-17 12:01:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:23,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-17 12:01:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:23,184 INFO L225 Difference]: With dead ends: 383 [2020-07-17 12:01:23,184 INFO L226 Difference]: Without dead ends: 204 [2020-07-17 12:01:23,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-17 12:01:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2020-07-17 12:01:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-07-17 12:01:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 293 transitions. [2020-07-17 12:01:23,196 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 293 transitions. Word has length 32 [2020-07-17 12:01:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:23,197 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 293 transitions. [2020-07-17 12:01:23,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 293 transitions. [2020-07-17 12:01:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-17 12:01:23,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:23,198 INFO L422 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] [2020-07-17 12:01:23,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 12:01:23,199 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:23,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:23,199 INFO L82 PathProgramCache]: Analyzing trace with hash 522773526, now seen corresponding path program 1 times [2020-07-17 12:01:23,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:23,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728502028] [2020-07-17 12:01:23,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:23,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728502028] [2020-07-17 12:01:23,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:23,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:23,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425613142] [2020-07-17 12:01:23,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:23,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:23,237 INFO L87 Difference]: Start difference. First operand 192 states and 293 transitions. Second operand 3 states. [2020-07-17 12:01:23,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:23,264 INFO L93 Difference]: Finished difference Result 542 states and 828 transitions. [2020-07-17 12:01:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:23,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-17 12:01:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:23,267 INFO L225 Difference]: With dead ends: 542 [2020-07-17 12:01:23,267 INFO L226 Difference]: Without dead ends: 363 [2020-07-17 12:01:23,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:23,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-07-17 12:01:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2020-07-17 12:01:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-07-17 12:01:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 548 transitions. [2020-07-17 12:01:23,289 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 548 transitions. Word has length 32 [2020-07-17 12:01:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:23,290 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 548 transitions. [2020-07-17 12:01:23,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 548 transitions. [2020-07-17 12:01:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-17 12:01:23,291 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:23,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:23,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 12:01:23,291 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:23,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:23,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1890290600, now seen corresponding path program 1 times [2020-07-17 12:01:23,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:23,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190192834] [2020-07-17 12:01:23,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:23,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190192834] [2020-07-17 12:01:23,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:23,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 12:01:23,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651739666] [2020-07-17 12:01:23,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 12:01:23,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:23,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 12:01:23,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:23,348 INFO L87 Difference]: Start difference. First operand 361 states and 548 transitions. Second operand 6 states. [2020-07-17 12:01:23,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:23,737 INFO L93 Difference]: Finished difference Result 1105 states and 1685 transitions. [2020-07-17 12:01:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:01:23,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-07-17 12:01:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:23,742 INFO L225 Difference]: With dead ends: 1105 [2020-07-17 12:01:23,743 INFO L226 Difference]: Without dead ends: 758 [2020-07-17 12:01:23,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:01:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-07-17 12:01:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 604. [2020-07-17 12:01:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-07-17 12:01:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 933 transitions. [2020-07-17 12:01:23,782 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 933 transitions. Word has length 33 [2020-07-17 12:01:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:23,783 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 933 transitions. [2020-07-17 12:01:23,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 12:01:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 933 transitions. [2020-07-17 12:01:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 12:01:23,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:23,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:23,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 12:01:23,807 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:23,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2062397286, now seen corresponding path program 1 times [2020-07-17 12:01:23,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:23,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924690806] [2020-07-17 12:01:23,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:23,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924690806] [2020-07-17 12:01:23,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:23,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:23,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408692792] [2020-07-17 12:01:23,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:23,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:23,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:23,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:23,889 INFO L87 Difference]: Start difference. First operand 604 states and 933 transitions. Second operand 5 states. [2020-07-17 12:01:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:24,157 INFO L93 Difference]: Finished difference Result 1336 states and 2097 transitions. [2020-07-17 12:01:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:24,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-07-17 12:01:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:24,163 INFO L225 Difference]: With dead ends: 1336 [2020-07-17 12:01:24,163 INFO L226 Difference]: Without dead ends: 746 [2020-07-17 12:01:24,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-07-17 12:01:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 726. [2020-07-17 12:01:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-07-17 12:01:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1148 transitions. [2020-07-17 12:01:24,210 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1148 transitions. Word has length 47 [2020-07-17 12:01:24,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:24,213 INFO L479 AbstractCegarLoop]: Abstraction has 726 states and 1148 transitions. [2020-07-17 12:01:24,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1148 transitions. [2020-07-17 12:01:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-17 12:01:24,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:24,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:24,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 12:01:24,217 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:24,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:24,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1882441225, now seen corresponding path program 1 times [2020-07-17 12:01:24,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:24,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272671202] [2020-07-17 12:01:24,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:24,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272671202] [2020-07-17 12:01:24,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:24,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:01:24,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694312362] [2020-07-17 12:01:24,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:01:24,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:24,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:01:24,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:01:24,322 INFO L87 Difference]: Start difference. First operand 726 states and 1148 transitions. Second operand 5 states. [2020-07-17 12:01:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:24,613 INFO L93 Difference]: Finished difference Result 1503 states and 2397 transitions. [2020-07-17 12:01:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:01:24,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-07-17 12:01:24,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:24,620 INFO L225 Difference]: With dead ends: 1503 [2020-07-17 12:01:24,620 INFO L226 Difference]: Without dead ends: 791 [2020-07-17 12:01:24,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:24,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-07-17 12:01:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 771. [2020-07-17 12:01:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-07-17 12:01:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1233 transitions. [2020-07-17 12:01:24,677 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1233 transitions. Word has length 48 [2020-07-17 12:01:24,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:24,677 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 1233 transitions. [2020-07-17 12:01:24,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:01:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1233 transitions. [2020-07-17 12:01:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-17 12:01:24,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:24,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:24,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 12:01:24,681 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1853066695, now seen corresponding path program 1 times [2020-07-17 12:01:24,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:24,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084986835] [2020-07-17 12:01:24,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:24,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084986835] [2020-07-17 12:01:24,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:24,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:24,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084187226] [2020-07-17 12:01:24,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:24,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:24,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:24,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:24,731 INFO L87 Difference]: Start difference. First operand 771 states and 1233 transitions. Second operand 3 states. [2020-07-17 12:01:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:24,776 INFO L93 Difference]: Finished difference Result 1528 states and 2448 transitions. [2020-07-17 12:01:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:24,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-07-17 12:01:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:24,782 INFO L225 Difference]: With dead ends: 1528 [2020-07-17 12:01:24,782 INFO L226 Difference]: Without dead ends: 771 [2020-07-17 12:01:24,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-07-17 12:01:24,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2020-07-17 12:01:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-07-17 12:01:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1216 transitions. [2020-07-17 12:01:24,856 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1216 transitions. Word has length 49 [2020-07-17 12:01:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:24,856 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 1216 transitions. [2020-07-17 12:01:24,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1216 transitions. [2020-07-17 12:01:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-17 12:01:24,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:24,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:24,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 12:01:24,859 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:24,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:24,859 INFO L82 PathProgramCache]: Analyzing trace with hash 296629864, now seen corresponding path program 1 times [2020-07-17 12:01:24,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:24,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349419011] [2020-07-17 12:01:24,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:24,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349419011] [2020-07-17 12:01:24,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:24,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:24,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283164403] [2020-07-17 12:01:24,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:24,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:24,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:24,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:24,900 INFO L87 Difference]: Start difference. First operand 771 states and 1216 transitions. Second operand 3 states. [2020-07-17 12:01:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:24,951 INFO L93 Difference]: Finished difference Result 1542 states and 2431 transitions. [2020-07-17 12:01:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:24,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-17 12:01:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:24,956 INFO L225 Difference]: With dead ends: 1542 [2020-07-17 12:01:24,957 INFO L226 Difference]: Without dead ends: 785 [2020-07-17 12:01:24,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-07-17 12:01:24,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2020-07-17 12:01:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-07-17 12:01:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1214 transitions. [2020-07-17 12:01:25,001 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1214 transitions. Word has length 50 [2020-07-17 12:01:25,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:25,002 INFO L479 AbstractCegarLoop]: Abstraction has 783 states and 1214 transitions. [2020-07-17 12:01:25,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1214 transitions. [2020-07-17 12:01:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-17 12:01:25,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:25,005 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:25,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 12:01:25,005 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:25,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:25,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1787536740, now seen corresponding path program 1 times [2020-07-17 12:01:25,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:25,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370820291] [2020-07-17 12:01:25,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:25,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370820291] [2020-07-17 12:01:25,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:25,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:25,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138088779] [2020-07-17 12:01:25,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:25,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:25,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:25,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,077 INFO L87 Difference]: Start difference. First operand 783 states and 1214 transitions. Second operand 3 states. [2020-07-17 12:01:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:25,148 INFO L93 Difference]: Finished difference Result 2304 states and 3578 transitions. [2020-07-17 12:01:25,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:25,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-17 12:01:25,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:25,157 INFO L225 Difference]: With dead ends: 2304 [2020-07-17 12:01:25,157 INFO L226 Difference]: Without dead ends: 1535 [2020-07-17 12:01:25,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2020-07-17 12:01:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1223. [2020-07-17 12:01:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-07-17 12:01:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1890 transitions. [2020-07-17 12:01:25,222 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1890 transitions. Word has length 55 [2020-07-17 12:01:25,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:25,222 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 1890 transitions. [2020-07-17 12:01:25,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1890 transitions. [2020-07-17 12:01:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-17 12:01:25,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:25,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:25,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 12:01:25,226 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:25,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:25,226 INFO L82 PathProgramCache]: Analyzing trace with hash -894050402, now seen corresponding path program 1 times [2020-07-17 12:01:25,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:25,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286419579] [2020-07-17 12:01:25,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:25,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286419579] [2020-07-17 12:01:25,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:25,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:25,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795971166] [2020-07-17 12:01:25,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:25,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:25,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:25,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,287 INFO L87 Difference]: Start difference. First operand 1223 states and 1890 transitions. Second operand 3 states. [2020-07-17 12:01:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:25,562 INFO L93 Difference]: Finished difference Result 2644 states and 4078 transitions. [2020-07-17 12:01:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:25,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-17 12:01:25,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:25,570 INFO L225 Difference]: With dead ends: 2644 [2020-07-17 12:01:25,571 INFO L226 Difference]: Without dead ends: 1436 [2020-07-17 12:01:25,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2020-07-17 12:01:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1330. [2020-07-17 12:01:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-07-17 12:01:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2005 transitions. [2020-07-17 12:01:25,639 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2005 transitions. Word has length 55 [2020-07-17 12:01:25,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:25,639 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 2005 transitions. [2020-07-17 12:01:25,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2005 transitions. [2020-07-17 12:01:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 12:01:25,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:25,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:25,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 12:01:25,643 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1409568447, now seen corresponding path program 1 times [2020-07-17 12:01:25,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:25,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327173974] [2020-07-17 12:01:25,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 12:01:25,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327173974] [2020-07-17 12:01:25,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:25,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:25,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581452441] [2020-07-17 12:01:25,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:25,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:25,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:25,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,702 INFO L87 Difference]: Start difference. First operand 1330 states and 2005 transitions. Second operand 3 states. [2020-07-17 12:01:25,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:25,950 INFO L93 Difference]: Finished difference Result 2813 states and 4239 transitions. [2020-07-17 12:01:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:25,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-17 12:01:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:25,958 INFO L225 Difference]: With dead ends: 2813 [2020-07-17 12:01:25,958 INFO L226 Difference]: Without dead ends: 1498 [2020-07-17 12:01:25,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:25,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-07-17 12:01:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1456. [2020-07-17 12:01:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2020-07-17 12:01:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2142 transitions. [2020-07-17 12:01:26,026 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2142 transitions. Word has length 60 [2020-07-17 12:01:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:26,026 INFO L479 AbstractCegarLoop]: Abstraction has 1456 states and 2142 transitions. [2020-07-17 12:01:26,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2142 transitions. [2020-07-17 12:01:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 12:01:26,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:26,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:26,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 12:01:26,030 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash 2089626817, now seen corresponding path program 1 times [2020-07-17 12:01:26,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:26,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17914208] [2020-07-17 12:01:26,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-17 12:01:26,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17914208] [2020-07-17 12:01:26,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:26,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:26,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080391729] [2020-07-17 12:01:26,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:26,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:26,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:26,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:26,085 INFO L87 Difference]: Start difference. First operand 1456 states and 2142 transitions. Second operand 3 states. [2020-07-17 12:01:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:26,153 INFO L93 Difference]: Finished difference Result 2744 states and 4014 transitions. [2020-07-17 12:01:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:26,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-17 12:01:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:26,163 INFO L225 Difference]: With dead ends: 2744 [2020-07-17 12:01:26,163 INFO L226 Difference]: Without dead ends: 1833 [2020-07-17 12:01:26,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2020-07-17 12:01:26,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1318. [2020-07-17 12:01:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-07-17 12:01:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1924 transitions. [2020-07-17 12:01:26,255 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1924 transitions. Word has length 60 [2020-07-17 12:01:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:26,255 INFO L479 AbstractCegarLoop]: Abstraction has 1318 states and 1924 transitions. [2020-07-17 12:01:26,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1924 transitions. [2020-07-17 12:01:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 12:01:26,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:26,261 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:26,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 12:01:26,262 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:26,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:26,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1796569389, now seen corresponding path program 1 times [2020-07-17 12:01:26,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:26,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356082540] [2020-07-17 12:01:26,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:26,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356082540] [2020-07-17 12:01:26,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:26,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:26,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633074735] [2020-07-17 12:01:26,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:26,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:26,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:26,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:26,366 INFO L87 Difference]: Start difference. First operand 1318 states and 1924 transitions. Second operand 3 states. [2020-07-17 12:01:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:26,528 INFO L93 Difference]: Finished difference Result 3805 states and 5516 transitions. [2020-07-17 12:01:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:26,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-17 12:01:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:26,545 INFO L225 Difference]: With dead ends: 3805 [2020-07-17 12:01:26,545 INFO L226 Difference]: Without dead ends: 2502 [2020-07-17 12:01:26,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2020-07-17 12:01:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2500. [2020-07-17 12:01:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2500 states. [2020-07-17 12:01:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3577 transitions. [2020-07-17 12:01:26,717 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3577 transitions. Word has length 61 [2020-07-17 12:01:26,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:26,717 INFO L479 AbstractCegarLoop]: Abstraction has 2500 states and 3577 transitions. [2020-07-17 12:01:26,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3577 transitions. [2020-07-17 12:01:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-17 12:01:26,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:26,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:26,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 12:01:26,729 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:26,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:26,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1616425408, now seen corresponding path program 1 times [2020-07-17 12:01:26,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:26,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071732595] [2020-07-17 12:01:26,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 12:01:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 12:01:26,860 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 12:01:26,860 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 12:01:26,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-17 12:01:27,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:01:27 BoogieIcfgContainer [2020-07-17 12:01:27,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:01:27,013 INFO L168 Benchmark]: Toolchain (without parser) took 8471.78 ms. Allocated memory was 143.1 MB in the beginning and 338.2 MB in the end (delta: 195.0 MB). Free memory was 99.3 MB in the beginning and 205.7 MB in the end (delta: -106.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:27,014 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory is still 117.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 12:01:27,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.99 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 175.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:27,015 INFO L168 Benchmark]: Boogie Preprocessor took 81.02 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 171.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:27,016 INFO L168 Benchmark]: RCFGBuilder took 866.74 ms. Allocated memory is still 200.3 MB. Free memory was 171.9 MB in the beginning and 118.9 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:27,017 INFO L168 Benchmark]: TraceAbstraction took 6969.08 ms. Allocated memory was 200.3 MB in the beginning and 338.2 MB in the end (delta: 137.9 MB). Free memory was 118.9 MB in the beginning and 205.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:27,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory is still 117.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 545.99 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 175.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.02 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 171.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 866.74 ms. Allocated memory is still 200.3 MB. Free memory was 171.9 MB in the beginning and 118.9 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6969.08 ms. Allocated memory was 200.3 MB in the beginning and 338.2 MB in the end (delta: 137.9 MB). Free memory was 118.9 MB in the beginning and 205.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 640]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L645] int s ; [L646] int tmp ; [L650] s = 8464 VAL [s=8464] [L651] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [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 ; [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 ; [L72] s__s3__tmp__reuse_message = 0 [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 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L81] COND TRUE s__info_callback != 0 [L82] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L88] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L89] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=0, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L276] COND FALSE !(ret <= 0) [L279] got_new_session = 1 [L280] s__state = 8496 [L281] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L620] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L621] COND TRUE s__state != state [L622] new_state = s__state [L623] s__state = state [L624] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L629] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 1 [L287] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L289] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L292] COND FALSE !(\read(s__hit)) [L295] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L297] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] [L640] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=2, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=-1, s__ctx__stats__sess_accept_good=3, 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=-3, 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=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4, tmp=4, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=-2, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.7s, OverallIterations: 19, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3760 SDtfs, 6119 SDslu, 3181 SDs, 0 SdLazy, 1945 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2500occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 1223 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 820 NumberOfCodeBlocks, 820 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 91216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 118/118 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...