/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:11:47,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:11:47,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:11:47,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:11:47,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:11:47,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:11:47,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:11:47,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:11:47,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:11:47,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:11:47,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:11:48,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:11:48,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:11:48,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:11:48,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:11:48,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:11:48,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:11:48,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:11:48,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:11:48,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:11:48,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:11:48,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:11:48,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:11:48,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:11:48,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:11:48,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:11:48,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:11:48,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:11:48,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:11:48,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:11:48,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:11:48,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:11:48,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:11:48,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:11:48,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:11:48,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:11:48,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:11:48,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:11:48,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:11:48,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:11:48,042 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:11:48,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:11:48,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:11:48,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:11:48,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:11:48,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:11:48,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:11:48,046 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:11:48,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:11:48,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:11:48,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:11:48,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:11:48,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:11:48,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:11:48,048 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:11:48,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:11:48,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:11:48,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:11:48,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:11:48,491 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:11:48,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-04 16:11:48,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63b0ab972/76cf1facb2ea453b921264f97712dacc/FLAGc8837ebf6 [2020-09-04 16:11:49,152 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:11:49,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-04 16:11:49,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63b0ab972/76cf1facb2ea453b921264f97712dacc/FLAGc8837ebf6 [2020-09-04 16:11:49,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63b0ab972/76cf1facb2ea453b921264f97712dacc [2020-09-04 16:11:49,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:11:49,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:11:49,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:11:49,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:11:49,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:11:49,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:11:49" (1/1) ... [2020-09-04 16:11:49,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d691b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:49, skipping insertion in model container [2020-09-04 16:11:49,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:11:49" (1/1) ... [2020-09-04 16:11:49,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:11:49,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:11:49,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:11:49,809 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:11:49,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:11:50,000 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:11:50,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50 WrapperNode [2020-09-04 16:11:50,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:11:50,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:11:50,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:11:50,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:11:50,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (1/1) ... [2020-09-04 16:11:50,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:11:50,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:11:50,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:11:50,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:11:50,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (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 16:11:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:11:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:11:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-04 16:11:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:11:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:11:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 16:11:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-04 16:11:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-04 16:11:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:11:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:11:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:11:50,295 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-04 16:11:50,927 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-09-04 16:11:50,928 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-09-04 16:11:50,965 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:11:50,966 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 16:11:50,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:11:50 BoogieIcfgContainer [2020-09-04 16:11:50,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:11:50,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:11:50,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:11:50,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:11:50,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:11:49" (1/3) ... [2020-09-04 16:11:50,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67276d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:11:50, skipping insertion in model container [2020-09-04 16:11:50,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:50" (2/3) ... [2020-09-04 16:11:50,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67276d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:11:50, skipping insertion in model container [2020-09-04 16:11:50,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:11:50" (3/3) ... [2020-09-04 16:11:50,983 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-09-04 16:11:50,994 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:11:51,005 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:11:51,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:11:51,054 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:11:51,054 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:11:51,054 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:11:51,055 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:11:51,055 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:11:51,055 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:11:51,055 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:11:51,055 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:11:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-04 16:11:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-04 16:11:51,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:51,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:51,103 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:51,110 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-09-04 16:11:51,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:51,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718205978] [2020-09-04 16:11:51,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:51,187 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:51,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:51,472 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 16:11:51,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718205978] [2020-09-04 16:11:51,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:51,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:51,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669375774] [2020-09-04 16:11:51,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:51,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:51,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:51,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:51,506 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-09-04 16:11:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:51,750 INFO L93 Difference]: Finished difference Result 577 states and 753 transitions. [2020-09-04 16:11:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:51,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-04 16:11:51,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:51,771 INFO L225 Difference]: With dead ends: 577 [2020-09-04 16:11:51,771 INFO L226 Difference]: Without dead ends: 317 [2020-09-04 16:11:51,777 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 16:11:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-04 16:11:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-09-04 16:11:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-09-04 16:11:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 375 transitions. [2020-09-04 16:11:51,854 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 375 transitions. Word has length 142 [2020-09-04 16:11:51,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:51,855 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 375 transitions. [2020-09-04 16:11:51,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 375 transitions. [2020-09-04 16:11:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 16:11:51,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:51,859 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:51,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:11:51,860 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:51,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:51,861 INFO L82 PathProgramCache]: Analyzing trace with hash 980116923, now seen corresponding path program 1 times [2020-09-04 16:11:51,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:51,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541068400] [2020-09-04 16:11:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:51,887 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:52,098 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 16:11:52,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541068400] [2020-09-04 16:11:52,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:52,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:52,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743069707] [2020-09-04 16:11:52,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:52,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:52,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:52,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:52,104 INFO L87 Difference]: Start difference. First operand 317 states and 375 transitions. Second operand 3 states. [2020-09-04 16:11:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:52,303 INFO L93 Difference]: Finished difference Result 534 states and 657 transitions. [2020-09-04 16:11:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:52,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-09-04 16:11:52,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:52,312 INFO L225 Difference]: With dead ends: 534 [2020-09-04 16:11:52,313 INFO L226 Difference]: Without dead ends: 345 [2020-09-04 16:11:52,317 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 16:11:52,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-04 16:11:52,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2020-09-04 16:11:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-09-04 16:11:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 398 transitions. [2020-09-04 16:11:52,381 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 398 transitions. Word has length 160 [2020-09-04 16:11:52,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:52,381 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 398 transitions. [2020-09-04 16:11:52,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 398 transitions. [2020-09-04 16:11:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 16:11:52,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:52,387 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:52,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 16:11:52,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:52,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:52,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1724791051, now seen corresponding path program 1 times [2020-09-04 16:11:52,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:52,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945366241] [2020-09-04 16:11:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:52,405 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:52,566 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 16:11:52,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945366241] [2020-09-04 16:11:52,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:52,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 16:11:52,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793912236] [2020-09-04 16:11:52,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 16:11:52,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:52,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 16:11:52,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 16:11:52,569 INFO L87 Difference]: Start difference. First operand 335 states and 398 transitions. Second operand 4 states. [2020-09-04 16:11:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:53,108 INFO L93 Difference]: Finished difference Result 885 states and 1142 transitions. [2020-09-04 16:11:53,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:11:53,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-09-04 16:11:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:53,118 INFO L225 Difference]: With dead ends: 885 [2020-09-04 16:11:53,123 INFO L226 Difference]: Without dead ends: 678 [2020-09-04 16:11:53,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:11:53,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-09-04 16:11:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 382. [2020-09-04 16:11:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-04 16:11:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 453 transitions. [2020-09-04 16:11:53,190 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 453 transitions. Word has length 167 [2020-09-04 16:11:53,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:53,193 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 453 transitions. [2020-09-04 16:11:53,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 16:11:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 453 transitions. [2020-09-04 16:11:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-04 16:11:53,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:53,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:53,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 16:11:53,204 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:53,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:53,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2007825220, now seen corresponding path program 1 times [2020-09-04 16:11:53,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:53,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97651421] [2020-09-04 16:11:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:53,225 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:53,453 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 16:11:53,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97651421] [2020-09-04 16:11:53,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:53,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:53,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42284050] [2020-09-04 16:11:53,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:53,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:53,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:53,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:53,458 INFO L87 Difference]: Start difference. First operand 382 states and 453 transitions. Second operand 3 states. [2020-09-04 16:11:53,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:53,547 INFO L93 Difference]: Finished difference Result 877 states and 1079 transitions. [2020-09-04 16:11:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:53,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-09-04 16:11:53,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:53,553 INFO L225 Difference]: With dead ends: 877 [2020-09-04 16:11:53,554 INFO L226 Difference]: Without dead ends: 623 [2020-09-04 16:11:53,556 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 16:11:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-09-04 16:11:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2020-09-04 16:11:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-04 16:11:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 752 transitions. [2020-09-04 16:11:53,605 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 752 transitions. Word has length 180 [2020-09-04 16:11:53,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:53,606 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 752 transitions. [2020-09-04 16:11:53,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 752 transitions. [2020-09-04 16:11:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-04 16:11:53,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:53,611 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:53,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 16:11:53,612 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:53,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1957933229, now seen corresponding path program 1 times [2020-09-04 16:11:53,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:53,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058661479] [2020-09-04 16:11:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:53,624 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:53,782 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 16:11:53,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058661479] [2020-09-04 16:11:53,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:53,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:53,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787033687] [2020-09-04 16:11:53,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:53,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:53,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:53,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:53,786 INFO L87 Difference]: Start difference. First operand 621 states and 752 transitions. Second operand 3 states. [2020-09-04 16:11:54,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:54,014 INFO L93 Difference]: Finished difference Result 913 states and 1125 transitions. [2020-09-04 16:11:54,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:54,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-09-04 16:11:54,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:54,020 INFO L225 Difference]: With dead ends: 913 [2020-09-04 16:11:54,021 INFO L226 Difference]: Without dead ends: 659 [2020-09-04 16:11:54,022 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 16:11:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-09-04 16:11:54,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 641. [2020-09-04 16:11:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-09-04 16:11:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 777 transitions. [2020-09-04 16:11:54,074 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 777 transitions. Word has length 181 [2020-09-04 16:11:54,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:54,075 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 777 transitions. [2020-09-04 16:11:54,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 777 transitions. [2020-09-04 16:11:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-04 16:11:54,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:54,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:54,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 16:11:54,081 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:54,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:54,082 INFO L82 PathProgramCache]: Analyzing trace with hash 129935299, now seen corresponding path program 1 times [2020-09-04 16:11:54,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:54,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541363675] [2020-09-04 16:11:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:54,091 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,223 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 16:11:54,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541363675] [2020-09-04 16:11:54,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:54,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:54,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443974744] [2020-09-04 16:11:54,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:54,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:54,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:54,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:54,227 INFO L87 Difference]: Start difference. First operand 641 states and 777 transitions. Second operand 3 states. [2020-09-04 16:11:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:54,320 INFO L93 Difference]: Finished difference Result 1599 states and 1969 transitions. [2020-09-04 16:11:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:54,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-09-04 16:11:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:54,330 INFO L225 Difference]: With dead ends: 1599 [2020-09-04 16:11:54,330 INFO L226 Difference]: Without dead ends: 1086 [2020-09-04 16:11:54,332 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 16:11:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-09-04 16:11:54,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2020-09-04 16:11:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-09-04 16:11:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1313 transitions. [2020-09-04 16:11:54,438 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1313 transitions. Word has length 188 [2020-09-04 16:11:54,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:54,439 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1313 transitions. [2020-09-04 16:11:54,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1313 transitions. [2020-09-04 16:11:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-04 16:11:54,445 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:54,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:54,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 16:11:54,447 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1932501654, now seen corresponding path program 1 times [2020-09-04 16:11:54,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:54,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338837165] [2020-09-04 16:11:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:54,461 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,593 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 16:11:54,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338837165] [2020-09-04 16:11:54,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:54,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:54,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793775607] [2020-09-04 16:11:54,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:54,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:54,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:54,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:54,595 INFO L87 Difference]: Start difference. First operand 1080 states and 1313 transitions. Second operand 3 states. [2020-09-04 16:11:54,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:54,687 INFO L93 Difference]: Finished difference Result 2050 states and 2515 transitions. [2020-09-04 16:11:54,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:54,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-09-04 16:11:54,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:54,693 INFO L225 Difference]: With dead ends: 2050 [2020-09-04 16:11:54,694 INFO L226 Difference]: Without dead ends: 1098 [2020-09-04 16:11:54,696 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 16:11:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-09-04 16:11:54,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1088. [2020-09-04 16:11:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-09-04 16:11:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1318 transitions. [2020-09-04 16:11:54,779 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1318 transitions. Word has length 189 [2020-09-04 16:11:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:54,780 INFO L479 AbstractCegarLoop]: Abstraction has 1088 states and 1318 transitions. [2020-09-04 16:11:54,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1318 transitions. [2020-09-04 16:11:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-04 16:11:54,783 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:54,783 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:54,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 16:11:54,784 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:54,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1261577978, now seen corresponding path program 1 times [2020-09-04 16:11:54,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:54,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118667183] [2020-09-04 16:11:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:54,789 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:54,861 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 16:11:54,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118667183] [2020-09-04 16:11:54,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:54,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:54,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962600989] [2020-09-04 16:11:54,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:54,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:54,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:54,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:54,864 INFO L87 Difference]: Start difference. First operand 1088 states and 1318 transitions. Second operand 3 states. [2020-09-04 16:11:55,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:55,053 INFO L93 Difference]: Finished difference Result 2605 states and 3182 transitions. [2020-09-04 16:11:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:55,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-04 16:11:55,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:55,063 INFO L225 Difference]: With dead ends: 2605 [2020-09-04 16:11:55,064 INFO L226 Difference]: Without dead ends: 1645 [2020-09-04 16:11:55,066 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 16:11:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2020-09-04 16:11:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1643. [2020-09-04 16:11:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-09-04 16:11:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1985 transitions. [2020-09-04 16:11:55,227 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1985 transitions. Word has length 191 [2020-09-04 16:11:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:55,227 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1985 transitions. [2020-09-04 16:11:55,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1985 transitions. [2020-09-04 16:11:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-04 16:11:55,231 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:55,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:55,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 16:11:55,232 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1678974584, now seen corresponding path program 1 times [2020-09-04 16:11:55,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:55,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763036233] [2020-09-04 16:11:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:55,241 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,332 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 16:11:55,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763036233] [2020-09-04 16:11:55,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:55,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 16:11:55,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348397980] [2020-09-04 16:11:55,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 16:11:55,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:55,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 16:11:55,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 16:11:55,341 INFO L87 Difference]: Start difference. First operand 1643 states and 1985 transitions. Second operand 3 states. [2020-09-04 16:11:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:55,507 INFO L93 Difference]: Finished difference Result 2619 states and 3178 transitions. [2020-09-04 16:11:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 16:11:55,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-04 16:11:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:55,515 INFO L225 Difference]: With dead ends: 2619 [2020-09-04 16:11:55,515 INFO L226 Difference]: Without dead ends: 1659 [2020-09-04 16:11:55,520 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 16:11:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-09-04 16:11:55,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657. [2020-09-04 16:11:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-09-04 16:11:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1995 transitions. [2020-09-04 16:11:55,713 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1995 transitions. Word has length 191 [2020-09-04 16:11:55,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:55,716 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 1995 transitions. [2020-09-04 16:11:55,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 16:11:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1995 transitions. [2020-09-04 16:11:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-04 16:11:55,721 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:55,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:55,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 16:11:55,722 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:55,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:55,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2059637971, now seen corresponding path program 1 times [2020-09-04 16:11:55,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:55,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015583399] [2020-09-04 16:11:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:55,732 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,855 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 16:11:55,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015583399] [2020-09-04 16:11:55,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:55,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 16:11:55,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453288134] [2020-09-04 16:11:55,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 16:11:55,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:55,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 16:11:55,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 16:11:55,858 INFO L87 Difference]: Start difference. First operand 1657 states and 1995 transitions. Second operand 4 states. [2020-09-04 16:11:56,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:56,419 INFO L93 Difference]: Finished difference Result 3391 states and 4111 transitions. [2020-09-04 16:11:56,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:11:56,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-09-04 16:11:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:56,434 INFO L225 Difference]: With dead ends: 3391 [2020-09-04 16:11:56,434 INFO L226 Difference]: Without dead ends: 2879 [2020-09-04 16:11:56,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:11:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-09-04 16:11:56,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 1671. [2020-09-04 16:11:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-09-04 16:11:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2014 transitions. [2020-09-04 16:11:56,601 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2014 transitions. Word has length 192 [2020-09-04 16:11:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:56,602 INFO L479 AbstractCegarLoop]: Abstraction has 1671 states and 2014 transitions. [2020-09-04 16:11:56,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 16:11:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2014 transitions. [2020-09-04 16:11:56,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-04 16:11:56,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:56,606 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:56,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 16:11:56,607 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:56,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:56,607 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-09-04 16:11:56,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:56,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191790906] [2020-09-04 16:11:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:56,616 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:11:56,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:11:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:11:56,712 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:11:56,794 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:11:56,794 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:11:56,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 16:11:56,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:11:56 BoogieIcfgContainer [2020-09-04 16:11:56,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:11:56,862 INFO L168 Benchmark]: Toolchain (without parser) took 7402.08 ms. Allocated memory was 139.5 MB in the beginning and 405.3 MB in the end (delta: 265.8 MB). Free memory was 103.7 MB in the beginning and 307.9 MB in the end (delta: -204.1 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,866 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.97 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,870 INFO L168 Benchmark]: Boogie Preprocessor took 59.36 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,871 INFO L168 Benchmark]: RCFGBuilder took 912.87 ms. Allocated memory is still 203.9 MB. Free memory was 177.3 MB in the beginning and 116.9 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,872 INFO L168 Benchmark]: TraceAbstraction took 5876.89 ms. Allocated memory was 203.9 MB in the beginning and 405.3 MB in the end (delta: 201.3 MB). Free memory was 116.2 MB in the beginning and 307.9 MB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:56,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 547.97 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.36 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 912.87 ms. Allocated memory is still 203.9 MB. Free memory was 177.3 MB in the beginning and 116.9 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5876.89 ms. Allocated memory was 203.9 MB in the beginning and 405.3 MB in the end (delta: 201.3 MB). Free memory was 116.2 MB in the beginning and 307.9 MB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L627] CALL ssl3_connect() [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND FALSE !((unsigned long )s__bbio != (unsigned long )s__wbio) [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 350 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4656 SDtfs, 1987 SDslu, 3872 SDs, 0 SdLazy, 851 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1554 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...