/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 0.1.25-3af5e1f [2020-09-04 13:24:34,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:24:34,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:24:34,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:24:34,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:24:34,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:24:34,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:24:34,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:24:34,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:24:34,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:24:34,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:24:34,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:24:34,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:24:34,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:24:34,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:24:34,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:24:34,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:24:34,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:24:34,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:24:34,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:24:34,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:24:34,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:24:34,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:24:34,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:24:34,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:24:34,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:24:34,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:24:34,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:24:34,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:24:34,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:24:34,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:24:34,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:24:34,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:24:34,536 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:24:34,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:24:34,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:24:34,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:24:34,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:24:34,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:24:34,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:24:34,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:24:34,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:24:34,538 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:24:34,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:24:34,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:24:34,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:24:34,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:24:34,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:24:34,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:24:34,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:24:34,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:24:34,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:24:34,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:24:34,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:24:34,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:24:34,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:24:34,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:24:34,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:24:34,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:24:35,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:24:35,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:24:35,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:24:35,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:24:35,035 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:24:35,037 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-09-04 13:24:35,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c82ded79/4b50a070175f40ea9d0fea594abd98e9/FLAG6522fd7f7 [2020-09-04 13:24:35,781 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:24:35,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-09-04 13:24:35,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c82ded79/4b50a070175f40ea9d0fea594abd98e9/FLAG6522fd7f7 [2020-09-04 13:24:36,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c82ded79/4b50a070175f40ea9d0fea594abd98e9 [2020-09-04 13:24:36,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:24:36,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:24:36,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:24:36,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:24:36,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:24:36,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238a6ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36, skipping insertion in model container [2020-09-04 13:24:36,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:24:36,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:24:36,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:24:36,483 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:24:36,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:24:36,664 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:24:36,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36 WrapperNode [2020-09-04 13:24:36,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:24:36,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:24:36,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:24:36,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:24:36,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... [2020-09-04 13:24:36,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:24:36,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:24:36,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:24:36,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:24:36,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:24:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:24:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:24:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-09-04 13:24:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:24:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:24:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-04 13:24:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:24:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-04 13:24:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-09-04 13:24:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:24:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:24:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:24:37,041 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-04 13:24:37,666 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-09-04 13:24:37,667 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-09-04 13:24:37,680 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:24:37,681 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:24:37,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:24:37 BoogieIcfgContainer [2020-09-04 13:24:37,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:24:37,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:24:37,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:24:37,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:24:37,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:24:36" (1/3) ... [2020-09-04 13:24:37,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163df5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:24:37, skipping insertion in model container [2020-09-04 13:24:37,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:24:36" (2/3) ... [2020-09-04 13:24:37,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163df5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:24:37, skipping insertion in model container [2020-09-04 13:24:37,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:24:37" (3/3) ... [2020-09-04 13:24:37,699 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2020-09-04 13:24:37,711 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:24:37,721 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:24:37,743 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:24:37,775 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:24:37,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:24:37,776 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:24:37,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:24:37,776 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:24:37,776 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:24:37,776 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:24:37,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:24:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-09-04 13:24:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-04 13:24:37,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:37,815 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] [2020-09-04 13:24:37,815 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:37,823 INFO L82 PathProgramCache]: Analyzing trace with hash -2138433857, now seen corresponding path program 1 times [2020-09-04 13:24:37,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:37,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226910256] [2020-09-04 13:24:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:38,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:38,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226910256] [2020-09-04 13:24:38,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:38,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 13:24:38,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122825840] [2020-09-04 13:24:38,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:24:38,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:38,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:24:38,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:24:38,191 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 5 states. [2020-09-04 13:24:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:38,641 INFO L93 Difference]: Finished difference Result 375 states and 646 transitions. [2020-09-04 13:24:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:24:38,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-04 13:24:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:38,663 INFO L225 Difference]: With dead ends: 375 [2020-09-04 13:24:38,663 INFO L226 Difference]: Without dead ends: 194 [2020-09-04 13:24:38,669 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 [2020-09-04 13:24:38,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-04 13:24:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2020-09-04 13:24:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-04 13:24:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 279 transitions. [2020-09-04 13:24:38,743 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 279 transitions. Word has length 28 [2020-09-04 13:24:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:38,743 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 279 transitions. [2020-09-04 13:24:38,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:24:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 279 transitions. [2020-09-04 13:24:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-04 13:24:38,746 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:38,746 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] [2020-09-04 13:24:38,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:24:38,747 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:38,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:38,747 INFO L82 PathProgramCache]: Analyzing trace with hash 533516532, now seen corresponding path program 1 times [2020-09-04 13:24:38,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:38,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981529029] [2020-09-04 13:24:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:38,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981529029] [2020-09-04 13:24:38,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:38,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 13:24:38,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923779036] [2020-09-04 13:24:38,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:24:38,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:38,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:24:38,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:24:38,949 INFO L87 Difference]: Start difference. First operand 188 states and 279 transitions. Second operand 5 states. [2020-09-04 13:24:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:39,346 INFO L93 Difference]: Finished difference Result 448 states and 678 transitions. [2020-09-04 13:24:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:24:39,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-09-04 13:24:39,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:39,350 INFO L225 Difference]: With dead ends: 448 [2020-09-04 13:24:39,350 INFO L226 Difference]: Without dead ends: 260 [2020-09-04 13:24:39,353 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 [2020-09-04 13:24:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-04 13:24:39,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2020-09-04 13:24:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-09-04 13:24:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 372 transitions. [2020-09-04 13:24:39,381 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 372 transitions. Word has length 31 [2020-09-04 13:24:39,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:39,382 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 372 transitions. [2020-09-04 13:24:39,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:24:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 372 transitions. [2020-09-04 13:24:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-04 13:24:39,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:39,387 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] [2020-09-04 13:24:39,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:24:39,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:39,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:39,388 INFO L82 PathProgramCache]: Analyzing trace with hash 522773526, now seen corresponding path program 1 times [2020-09-04 13:24:39,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:39,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084057390] [2020-09-04 13:24:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:39,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084057390] [2020-09-04 13:24:39,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:39,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:39,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467352220] [2020-09-04 13:24:39,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:39,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:39,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:39,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:39,497 INFO L87 Difference]: Start difference. First operand 245 states and 372 transitions. Second operand 3 states. [2020-09-04 13:24:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:39,533 INFO L93 Difference]: Finished difference Result 698 states and 1061 transitions. [2020-09-04 13:24:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:39,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-09-04 13:24:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:39,537 INFO L225 Difference]: With dead ends: 698 [2020-09-04 13:24:39,538 INFO L226 Difference]: Without dead ends: 466 [2020-09-04 13:24:39,540 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 [2020-09-04 13:24:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-04 13:24:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 464. [2020-09-04 13:24:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-09-04 13:24:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 701 transitions. [2020-09-04 13:24:39,580 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 701 transitions. Word has length 32 [2020-09-04 13:24:39,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:39,580 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 701 transitions. [2020-09-04 13:24:39,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 701 transitions. [2020-09-04 13:24:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-04 13:24:39,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:39,583 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] [2020-09-04 13:24:39,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:24:39,583 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:39,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1890290600, now seen corresponding path program 1 times [2020-09-04 13:24:39,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:39,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324251741] [2020-09-04 13:24:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:39,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324251741] [2020-09-04 13:24:39,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:39,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 13:24:39,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791236491] [2020-09-04 13:24:39,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 13:24:39,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:39,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 13:24:39,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:24:39,692 INFO L87 Difference]: Start difference. First operand 464 states and 701 transitions. Second operand 6 states. [2020-09-04 13:24:40,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:40,105 INFO L93 Difference]: Finished difference Result 1155 states and 1779 transitions. [2020-09-04 13:24:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:24:40,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-04 13:24:40,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:40,110 INFO L225 Difference]: With dead ends: 1155 [2020-09-04 13:24:40,110 INFO L226 Difference]: Without dead ends: 655 [2020-09-04 13:24:40,112 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 [2020-09-04 13:24:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-09-04 13:24:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 526. [2020-09-04 13:24:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-09-04 13:24:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 799 transitions. [2020-09-04 13:24:40,142 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 799 transitions. Word has length 33 [2020-09-04 13:24:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:40,142 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 799 transitions. [2020-09-04 13:24:40,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 13:24:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 799 transitions. [2020-09-04 13:24:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-04 13:24:40,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:40,145 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:40,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:24:40,146 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:40,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:40,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2094542434, now seen corresponding path program 1 times [2020-09-04 13:24:40,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:40,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320870895] [2020-09-04 13:24:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:40,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320870895] [2020-09-04 13:24:40,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:40,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:40,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795642063] [2020-09-04 13:24:40,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:40,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:40,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:40,211 INFO L87 Difference]: Start difference. First operand 526 states and 799 transitions. Second operand 3 states. [2020-09-04 13:24:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:40,233 INFO L93 Difference]: Finished difference Result 1038 states and 1580 transitions. [2020-09-04 13:24:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:40,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-09-04 13:24:40,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:40,238 INFO L225 Difference]: With dead ends: 1038 [2020-09-04 13:24:40,238 INFO L226 Difference]: Without dead ends: 526 [2020-09-04 13:24:40,239 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 [2020-09-04 13:24:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-09-04 13:24:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-09-04 13:24:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-09-04 13:24:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 786 transitions. [2020-09-04 13:24:40,261 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 786 transitions. Word has length 45 [2020-09-04 13:24:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:40,262 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 786 transitions. [2020-09-04 13:24:40,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 786 transitions. [2020-09-04 13:24:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-04 13:24:40,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:40,265 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:40,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 13:24:40,265 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:40,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1255579119, now seen corresponding path program 1 times [2020-09-04 13:24:40,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:40,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628032504] [2020-09-04 13:24:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:40,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628032504] [2020-09-04 13:24:40,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:40,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:40,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605758947] [2020-09-04 13:24:40,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:40,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:40,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:40,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:40,326 INFO L87 Difference]: Start difference. First operand 526 states and 786 transitions. Second operand 3 states. [2020-09-04 13:24:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:40,362 INFO L93 Difference]: Finished difference Result 1048 states and 1566 transitions. [2020-09-04 13:24:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:40,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-04 13:24:40,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:40,367 INFO L225 Difference]: With dead ends: 1048 [2020-09-04 13:24:40,367 INFO L226 Difference]: Without dead ends: 536 [2020-09-04 13:24:40,369 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 [2020-09-04 13:24:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-04 13:24:40,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 534. [2020-09-04 13:24:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-09-04 13:24:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 783 transitions. [2020-09-04 13:24:40,391 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 783 transitions. Word has length 46 [2020-09-04 13:24:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:40,392 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 783 transitions. [2020-09-04 13:24:40,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 783 transitions. [2020-09-04 13:24:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-04 13:24:40,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:40,394 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:40,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 13:24:40,395 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:40,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:40,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1258911171, now seen corresponding path program 1 times [2020-09-04 13:24:40,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:40,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135020710] [2020-09-04 13:24:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:40,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135020710] [2020-09-04 13:24:40,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:40,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:40,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179764019] [2020-09-04 13:24:40,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:40,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:40,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:40,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:40,451 INFO L87 Difference]: Start difference. First operand 534 states and 783 transitions. Second operand 3 states. [2020-09-04 13:24:40,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:40,691 INFO L93 Difference]: Finished difference Result 1234 states and 1810 transitions. [2020-09-04 13:24:40,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:40,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-09-04 13:24:40,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:40,696 INFO L225 Difference]: With dead ends: 1234 [2020-09-04 13:24:40,696 INFO L226 Difference]: Without dead ends: 670 [2020-09-04 13:24:40,697 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 [2020-09-04 13:24:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-09-04 13:24:40,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 585. [2020-09-04 13:24:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-09-04 13:24:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 857 transitions. [2020-09-04 13:24:40,721 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 857 transitions. Word has length 50 [2020-09-04 13:24:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:40,722 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 857 transitions. [2020-09-04 13:24:40,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 857 transitions. [2020-09-04 13:24:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-04 13:24:40,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:40,723 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:40,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 13:24:40,723 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:40,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1836171333, now seen corresponding path program 1 times [2020-09-04 13:24:40,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:40,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435294144] [2020-09-04 13:24:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:40,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435294144] [2020-09-04 13:24:40,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:40,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:40,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287727416] [2020-09-04 13:24:40,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:40,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:40,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:40,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:40,783 INFO L87 Difference]: Start difference. First operand 585 states and 857 transitions. Second operand 3 states. [2020-09-04 13:24:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:40,837 INFO L93 Difference]: Finished difference Result 1720 states and 2523 transitions. [2020-09-04 13:24:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:40,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-09-04 13:24:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:40,845 INFO L225 Difference]: With dead ends: 1720 [2020-09-04 13:24:40,845 INFO L226 Difference]: Without dead ends: 1149 [2020-09-04 13:24:40,848 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 [2020-09-04 13:24:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-09-04 13:24:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 883. [2020-09-04 13:24:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-09-04 13:24:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1291 transitions. [2020-09-04 13:24:40,901 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1291 transitions. Word has length 51 [2020-09-04 13:24:40,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:40,902 INFO L479 AbstractCegarLoop]: Abstraction has 883 states and 1291 transitions. [2020-09-04 13:24:40,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:40,902 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1291 transitions. [2020-09-04 13:24:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-04 13:24:40,903 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:40,904 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:40,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 13:24:40,904 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2035149241, now seen corresponding path program 1 times [2020-09-04 13:24:40,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:40,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602968673] [2020-09-04 13:24:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:40,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602968673] [2020-09-04 13:24:40,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:40,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:40,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808464704] [2020-09-04 13:24:40,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:40,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:40,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:40,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:40,984 INFO L87 Difference]: Start difference. First operand 883 states and 1291 transitions. Second operand 3 states. [2020-09-04 13:24:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:41,084 INFO L93 Difference]: Finished difference Result 2602 states and 3797 transitions. [2020-09-04 13:24:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:41,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-09-04 13:24:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:41,097 INFO L225 Difference]: With dead ends: 2602 [2020-09-04 13:24:41,098 INFO L226 Difference]: Without dead ends: 1734 [2020-09-04 13:24:41,101 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 [2020-09-04 13:24:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2020-09-04 13:24:41,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1732. [2020-09-04 13:24:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1732 states. [2020-09-04 13:24:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2493 transitions. [2020-09-04 13:24:41,202 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2493 transitions. Word has length 51 [2020-09-04 13:24:41,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:41,205 INFO L479 AbstractCegarLoop]: Abstraction has 1732 states and 2493 transitions. [2020-09-04 13:24:41,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2493 transitions. [2020-09-04 13:24:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 13:24:41,210 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:41,210 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:41,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 13:24:41,211 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:41,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:41,211 INFO L82 PathProgramCache]: Analyzing trace with hash 407760342, now seen corresponding path program 1 times [2020-09-04 13:24:41,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:41,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822020710] [2020-09-04 13:24:41,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:41,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822020710] [2020-09-04 13:24:41,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:41,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:41,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945729151] [2020-09-04 13:24:41,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:41,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:41,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:41,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:41,311 INFO L87 Difference]: Start difference. First operand 1732 states and 2493 transitions. Second operand 3 states. [2020-09-04 13:24:41,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:41,543 INFO L93 Difference]: Finished difference Result 3635 states and 5182 transitions. [2020-09-04 13:24:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:41,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-09-04 13:24:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:41,554 INFO L225 Difference]: With dead ends: 3635 [2020-09-04 13:24:41,554 INFO L226 Difference]: Without dead ends: 1924 [2020-09-04 13:24:41,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2020-09-04 13:24:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1835. [2020-09-04 13:24:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 13:24:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2610 transitions. [2020-09-04 13:24:41,633 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2610 transitions. Word has length 52 [2020-09-04 13:24:41,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:41,633 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2610 transitions. [2020-09-04 13:24:41,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2610 transitions. [2020-09-04 13:24:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-04 13:24:41,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:41,635 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:41,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 13:24:41,636 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash 675528416, now seen corresponding path program 1 times [2020-09-04 13:24:41,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:41,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064289003] [2020-09-04 13:24:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:41,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:41,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064289003] [2020-09-04 13:24:41,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:41,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:41,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391062865] [2020-09-04 13:24:41,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:41,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:41,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:41,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:41,689 INFO L87 Difference]: Start difference. First operand 1835 states and 2610 transitions. Second operand 3 states. [2020-09-04 13:24:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:41,878 INFO L93 Difference]: Finished difference Result 3747 states and 5296 transitions. [2020-09-04 13:24:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:41,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-09-04 13:24:41,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:41,890 INFO L225 Difference]: With dead ends: 3747 [2020-09-04 13:24:41,890 INFO L226 Difference]: Without dead ends: 1933 [2020-09-04 13:24:41,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:41,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-09-04 13:24:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1835. [2020-09-04 13:24:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 13:24:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2598 transitions. [2020-09-04 13:24:41,979 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2598 transitions. Word has length 53 [2020-09-04 13:24:41,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:41,980 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2598 transitions. [2020-09-04 13:24:41,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2598 transitions. [2020-09-04 13:24:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-04 13:24:41,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:41,982 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:24:41,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 13:24:41,982 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:41,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1835277023, now seen corresponding path program 1 times [2020-09-04 13:24:41,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:41,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976887974] [2020-09-04 13:24:41,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:42,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976887974] [2020-09-04 13:24:42,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:42,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:42,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967587699] [2020-09-04 13:24:42,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:42,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:42,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:42,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:42,049 INFO L87 Difference]: Start difference. First operand 1835 states and 2598 transitions. Second operand 3 states. [2020-09-04 13:24:42,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:42,294 INFO L93 Difference]: Finished difference Result 3744 states and 5269 transitions. [2020-09-04 13:24:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:42,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-09-04 13:24:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:42,305 INFO L225 Difference]: With dead ends: 3744 [2020-09-04 13:24:42,305 INFO L226 Difference]: Without dead ends: 1930 [2020-09-04 13:24:42,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-09-04 13:24:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1835. [2020-09-04 13:24:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 13:24:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2586 transitions. [2020-09-04 13:24:42,380 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2586 transitions. Word has length 53 [2020-09-04 13:24:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:42,380 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2586 transitions. [2020-09-04 13:24:42,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2586 transitions. [2020-09-04 13:24:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-04 13:24:42,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:42,382 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, 1] [2020-09-04 13:24:42,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 13:24:42,382 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:42,383 INFO L82 PathProgramCache]: Analyzing trace with hash -194160723, now seen corresponding path program 1 times [2020-09-04 13:24:42,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:42,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584800466] [2020-09-04 13:24:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:42,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584800466] [2020-09-04 13:24:42,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:42,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:42,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247089145] [2020-09-04 13:24:42,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:42,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:42,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:42,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:42,438 INFO L87 Difference]: Start difference. First operand 1835 states and 2586 transitions. Second operand 3 states. [2020-09-04 13:24:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:42,623 INFO L93 Difference]: Finished difference Result 3741 states and 5251 transitions. [2020-09-04 13:24:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:42,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-09-04 13:24:42,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:42,633 INFO L225 Difference]: With dead ends: 3741 [2020-09-04 13:24:42,634 INFO L226 Difference]: Without dead ends: 1891 [2020-09-04 13:24:42,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2020-09-04 13:24:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1871. [2020-09-04 13:24:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2020-09-04 13:24:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2608 transitions. [2020-09-04 13:24:42,708 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2608 transitions. Word has length 56 [2020-09-04 13:24:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:42,708 INFO L479 AbstractCegarLoop]: Abstraction has 1871 states and 2608 transitions. [2020-09-04 13:24:42,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2608 transitions. [2020-09-04 13:24:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-04 13:24:42,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:42,710 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-09-04 13:24:42,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 13:24:42,711 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash 991849692, now seen corresponding path program 1 times [2020-09-04 13:24:42,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:42,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044100774] [2020-09-04 13:24:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:42,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044100774] [2020-09-04 13:24:42,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:42,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:42,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814451024] [2020-09-04 13:24:42,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:42,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:42,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:42,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:42,790 INFO L87 Difference]: Start difference. First operand 1871 states and 2608 transitions. Second operand 3 states. [2020-09-04 13:24:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:43,051 INFO L93 Difference]: Finished difference Result 3810 states and 5283 transitions. [2020-09-04 13:24:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:43,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-09-04 13:24:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:43,066 INFO L225 Difference]: With dead ends: 3810 [2020-09-04 13:24:43,066 INFO L226 Difference]: Without dead ends: 1960 [2020-09-04 13:24:43,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2020-09-04 13:24:43,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1871. [2020-09-04 13:24:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2020-09-04 13:24:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2596 transitions. [2020-09-04 13:24:43,206 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2596 transitions. Word has length 57 [2020-09-04 13:24:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:43,207 INFO L479 AbstractCegarLoop]: Abstraction has 1871 states and 2596 transitions. [2020-09-04 13:24:43,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2596 transitions. [2020-09-04 13:24:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-04 13:24:43,213 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:43,213 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-09-04 13:24:43,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 13:24:43,214 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:43,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:43,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1291355310, now seen corresponding path program 1 times [2020-09-04 13:24:43,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:43,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589928158] [2020-09-04 13:24:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:24:43,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589928158] [2020-09-04 13:24:43,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:43,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:43,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796853671] [2020-09-04 13:24:43,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:43,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:43,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:43,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:43,308 INFO L87 Difference]: Start difference. First operand 1871 states and 2596 transitions. Second operand 3 states. [2020-09-04 13:24:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:43,581 INFO L93 Difference]: Finished difference Result 3946 states and 5421 transitions. [2020-09-04 13:24:43,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:43,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-09-04 13:24:43,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:43,596 INFO L225 Difference]: With dead ends: 3946 [2020-09-04 13:24:43,596 INFO L226 Difference]: Without dead ends: 2096 [2020-09-04 13:24:43,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-09-04 13:24:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2004. [2020-09-04 13:24:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-09-04 13:24:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2743 transitions. [2020-09-04 13:24:43,718 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2743 transitions. Word has length 58 [2020-09-04 13:24:43,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:43,719 INFO L479 AbstractCegarLoop]: Abstraction has 2004 states and 2743 transitions. [2020-09-04 13:24:43,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2743 transitions. [2020-09-04 13:24:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-04 13:24:43,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:43,727 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, 1] [2020-09-04 13:24:43,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 13:24:43,728 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash -2083485680, now seen corresponding path program 1 times [2020-09-04 13:24:43,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:43,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803595307] [2020-09-04 13:24:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:43,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 13:24:43,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803595307] [2020-09-04 13:24:43,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:43,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:43,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205911788] [2020-09-04 13:24:43,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:43,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:43,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:43,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:43,802 INFO L87 Difference]: Start difference. First operand 2004 states and 2743 transitions. Second operand 3 states. [2020-09-04 13:24:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:44,117 INFO L93 Difference]: Finished difference Result 4276 states and 5918 transitions. [2020-09-04 13:24:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:44,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-09-04 13:24:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:44,134 INFO L225 Difference]: With dead ends: 4276 [2020-09-04 13:24:44,134 INFO L226 Difference]: Without dead ends: 2293 [2020-09-04 13:24:44,140 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 [2020-09-04 13:24:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2020-09-04 13:24:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2257. [2020-09-04 13:24:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2257 states. [2020-09-04 13:24:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3012 transitions. [2020-09-04 13:24:44,288 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3012 transitions. Word has length 61 [2020-09-04 13:24:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:44,289 INFO L479 AbstractCegarLoop]: Abstraction has 2257 states and 3012 transitions. [2020-09-04 13:24:44,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3012 transitions. [2020-09-04 13:24:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-04 13:24:44,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:44,292 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, 1] [2020-09-04 13:24:44,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 13:24:44,292 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:44,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1403427310, now seen corresponding path program 1 times [2020-09-04 13:24:44,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:44,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214664974] [2020-09-04 13:24:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:44,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:24:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:24:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-04 13:24:44,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214664974] [2020-09-04 13:24:44,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:24:44,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:24:44,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225497986] [2020-09-04 13:24:44,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:24:44,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:24:44,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:24:44,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:24:44,435 INFO L87 Difference]: Start difference. First operand 2257 states and 3012 transitions. Second operand 3 states. [2020-09-04 13:24:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:24:44,515 INFO L93 Difference]: Finished difference Result 4420 states and 5869 transitions. [2020-09-04 13:24:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:24:44,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-09-04 13:24:44,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:24:44,530 INFO L225 Difference]: With dead ends: 4420 [2020-09-04 13:24:44,531 INFO L226 Difference]: Without dead ends: 2947 [2020-09-04 13:24:44,536 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 [2020-09-04 13:24:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2020-09-04 13:24:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2227. [2020-09-04 13:24:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2020-09-04 13:24:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 2957 transitions. [2020-09-04 13:24:44,637 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 2957 transitions. Word has length 61 [2020-09-04 13:24:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:24:44,638 INFO L479 AbstractCegarLoop]: Abstraction has 2227 states and 2957 transitions. [2020-09-04 13:24:44,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:24:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2957 transitions. [2020-09-04 13:24:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-04 13:24:44,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:24:44,640 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] [2020-09-04 13:24:44,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 13:24:44,640 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:24:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:24:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1616425408, now seen corresponding path program 1 times [2020-09-04 13:24:44,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:24:44,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737745145] [2020-09-04 13:24:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:24:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 13:24:44,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 13:24:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 13:24:44,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 13:24:44,737 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-04 13:24:44,737 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 13:24:44,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 13:24:44,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:24:44 BoogieIcfgContainer [2020-09-04 13:24:44,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:24:44,864 INFO L168 Benchmark]: Toolchain (without parser) took 8765.72 ms. Allocated memory was 137.9 MB in the beginning and 343.9 MB in the end (delta: 206.0 MB). Free memory was 100.4 MB in the beginning and 210.0 MB in the end (delta: -109.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,866 INFO L168 Benchmark]: CDTParser took 1.52 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.90 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.0 MB in the beginning and 175.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,873 INFO L168 Benchmark]: Boogie Preprocessor took 72.34 ms. Allocated memory is still 200.8 MB. Free memory was 175.7 MB in the beginning and 172.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,874 INFO L168 Benchmark]: RCFGBuilder took 949.71 ms. Allocated memory is still 200.8 MB. Free memory was 172.6 MB in the beginning and 119.7 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,875 INFO L168 Benchmark]: TraceAbstraction took 7166.08 ms. Allocated memory was 200.8 MB in the beginning and 343.9 MB in the end (delta: 143.1 MB). Free memory was 118.7 MB in the beginning and 210.0 MB in the end (delta: -91.2 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:24:44,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 571.90 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.0 MB in the beginning and 175.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.34 ms. Allocated memory is still 200.8 MB. Free memory was 175.7 MB in the beginning and 172.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 949.71 ms. Allocated memory is still 200.8 MB. Free memory was 172.6 MB in the beginning and 119.7 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7166.08 ms. Allocated memory was 200.8 MB in the beginning and 343.9 MB in the end (delta: 143.1 MB). Free memory was 118.7 MB in the beginning and 210.0 MB in the end (delta: -91.2 MB). Peak memory consumption was 51.9 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=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L88] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L89] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=-2, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=0, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L620] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L629] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L289] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L297] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L640] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=-2, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=3, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=-1, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-2, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=2, tmp___4=1, tmp___5=0, 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: 6.9s, OverallIterations: 18, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3811 SDtfs, 3555 SDslu, 2450 SDs, 0 SdLazy, 1370 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2257occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 1746 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 88846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 188/188 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...