/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:00:01,869 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:00:01,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:00:01,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:00:01,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:00:01,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:00:01,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:00:01,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:00:01,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:00:01,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:00:01,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:00:01,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:00:01,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:00:01,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:00:01,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:00:01,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:00:01,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:00:01,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:00:01,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:00:01,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:00:01,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:00:01,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:00:01,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:00:01,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:00:01,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:00:01,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:00:01,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:00:01,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:00:01,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:00:01,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:00:01,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:00:01,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:00:01,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:00:01,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:00:01,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:00:01,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:00:01,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:00:01,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:00:01,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:00:01,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:00:01,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:00:02,000 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
[2020-09-24 16:00:02,038 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:00:02,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:00:02,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:00:02,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:00:02,041 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:00:02,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:00:02,041 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:00:02,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:00:02,042 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:00:02,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:00:02,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:00:02,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:00:02,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:00:02,043 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:00:02,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:00:02,043 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:00:02,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:00:02,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:00:02,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:00:02,044 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:00:02,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:00:02,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:00:02,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:00:02,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:00:02,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:00:02,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:00:02,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:00:02,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:00:02,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:00:02,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:00:02,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:00:02,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:00:02,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:00:02,582 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:00:02,583 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:00:02,584 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c
[2020-09-24 16:00:02,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b325dd8e9/c501e2633625427bb2185c575fa8d2f2/FLAG6593f774e
[2020-09-24 16:00:03,190 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:00:03,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c
[2020-09-24 16:00:03,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b325dd8e9/c501e2633625427bb2185c575fa8d2f2/FLAG6593f774e
[2020-09-24 16:00:03,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b325dd8e9/c501e2633625427bb2185c575fa8d2f2
[2020-09-24 16:00:03,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:00:03,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:00:03,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:00:03,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:00:03,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:00:03,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:03" (1/1) ...
[2020-09-24 16:00:03,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16575b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:03, skipping insertion in model container
[2020-09-24 16:00:03,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:03" (1/1) ...
[2020-09-24 16:00:03,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:00:03,647 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:00:03,990 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:00:03,997 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:00:04,173 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:00:04,195 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:00:04,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04 WrapperNode
[2020-09-24 16:00:04,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:00:04,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:00:04,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:00:04,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:00:04,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (1/1) ...
[2020-09-24 16:00:04,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:00:04,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:00:04,267 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:00:04,267 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:00:04,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (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
[2020-09-24 16:00:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:00:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:00:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect
[2020-09-24 16:00:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:00:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:00:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-24 16:00:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:00:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-24 16:00:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect
[2020-09-24 16:00:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:00:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:00:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:00:04,516 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-09-24 16:00:05,342 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-09-24 16:00:05,343 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-09-24 16:00:05,368 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:00:05,368 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 16:00:05,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:05 BoogieIcfgContainer
[2020-09-24 16:00:05,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:00:05,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:00:05,378 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:00:05,382 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:00:05,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:00:03" (1/3) ...
[2020-09-24 16:00:05,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b3bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:05, skipping insertion in model container
[2020-09-24 16:00:05,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:04" (2/3) ...
[2020-09-24 16:00:05,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b3bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:05, skipping insertion in model container
[2020-09-24 16:00:05,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:05" (3/3) ...
[2020-09-24 16:00:05,386 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c
[2020-09-24 16:00:05,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:00:05,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:00:05,428 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:00:05,459 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:00:05,459 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:00:05,459 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:00:05,459 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:00:05,459 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:00:05,459 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:00:05,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:00:05,460 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:00:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states.
[2020-09-24 16:00:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-24 16:00:05,507 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:05,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:05,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:05,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:05,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1836119895, now seen corresponding path program 1 times
[2020-09-24 16:00:05,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:05,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883042732]
[2020-09-24 16:00:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:05,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:05,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:05,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:05,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:05,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169
[2020-09-24 16:00:05,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29
[2020-09-24 16:00:05,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-24 16:00:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150
[2020-09-24 16:00:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:06,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:06,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:06,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:06,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:06,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:06,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:06,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:06,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 16:00:06,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:06,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:06,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:00:06,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883042732]
[2020-09-24 16:00:06,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:06,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:06,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332495514]
[2020-09-24 16:00:06,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:06,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:06,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:06,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:06,145 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 5 states.
[2020-09-24 16:00:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:06,508 INFO L93 Difference]: Finished difference Result 626 states and 801 transitions.
[2020-09-24 16:00:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 16:00:06,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160
[2020-09-24 16:00:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:06,531 INFO L225 Difference]: With dead ends: 626
[2020-09-24 16:00:06,531 INFO L226 Difference]: Without dead ends: 344
[2020-09-24 16:00:06,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:00:06,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states.
[2020-09-24 16:00:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344.
[2020-09-24 16:00:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states.
[2020-09-24 16:00:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 401 transitions.
[2020-09-24 16:00:06,617 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 401 transitions. Word has length 160
[2020-09-24 16:00:06,618 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:06,618 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 401 transitions.
[2020-09-24 16:00:06,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 401 transitions.
[2020-09-24 16:00:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-09-24 16:00:06,623 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:06,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:06,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:00:06,624 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:06,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:06,624 INFO L82 PathProgramCache]: Analyzing trace with hash 933719357, now seen corresponding path program 1 times
[2020-09-24 16:00:06,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:06,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362785914]
[2020-09-24 16:00:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:06,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:06,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:06,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:06,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:06,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192
[2020-09-24 16:00:06,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164
[2020-09-24 16:00:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:00:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:06,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:06,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:06,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:00:06,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362785914]
[2020-09-24 16:00:06,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:06,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:06,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34814587]
[2020-09-24 16:00:06,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:06,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:06,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:06,920 INFO L87 Difference]: Start difference. First operand 344 states and 401 transitions. Second operand 3 states.
[2020-09-24 16:00:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:07,115 INFO L93 Difference]: Finished difference Result 571 states and 693 transitions.
[2020-09-24 16:00:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:07,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183
[2020-09-24 16:00:07,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:07,120 INFO L225 Difference]: With dead ends: 571
[2020-09-24 16:00:07,120 INFO L226 Difference]: Without dead ends: 372
[2020-09-24 16:00:07,122 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
[2020-09-24 16:00:07,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2020-09-24 16:00:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 362.
[2020-09-24 16:00:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states.
[2020-09-24 16:00:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 424 transitions.
[2020-09-24 16:00:07,146 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 424 transitions. Word has length 183
[2020-09-24 16:00:07,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:07,147 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 424 transitions.
[2020-09-24 16:00:07,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 424 transitions.
[2020-09-24 16:00:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-24 16:00:07,151 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:07,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:07,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:00:07,152 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:07,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:07,152 INFO L82 PathProgramCache]: Analyzing trace with hash 787271153, now seen corresponding path program 1 times
[2020-09-24 16:00:07,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:07,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687539149]
[2020-09-24 16:00:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:07,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:07,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:07,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:07,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-24 16:00:07,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:00:07,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134
[2020-09-24 16:00:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64
[2020-09-24 16:00:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:07,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:07,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:07,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:07,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:07,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:07,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-24 16:00:07,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687539149]
[2020-09-24 16:00:07,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:07,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:07,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956363646]
[2020-09-24 16:00:07,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:07,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:07,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:07,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:07,328 INFO L87 Difference]: Start difference. First operand 362 states and 424 transitions. Second operand 3 states.
[2020-09-24 16:00:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:07,432 INFO L93 Difference]: Finished difference Result 789 states and 968 transitions.
[2020-09-24 16:00:07,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:07,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190
[2020-09-24 16:00:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:07,438 INFO L225 Difference]: With dead ends: 789
[2020-09-24 16:00:07,438 INFO L226 Difference]: Without dead ends: 572
[2020-09-24 16:00:07,440 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
[2020-09-24 16:00:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states.
[2020-09-24 16:00:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572.
[2020-09-24 16:00:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states.
[2020-09-24 16:00:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 688 transitions.
[2020-09-24 16:00:07,484 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 688 transitions. Word has length 190
[2020-09-24 16:00:07,485 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:07,485 INFO L479 AbstractCegarLoop]: Abstraction has 572 states and 688 transitions.
[2020-09-24 16:00:07,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 688 transitions.
[2020-09-24 16:00:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2020-09-24 16:00:07,494 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:07,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:07,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 16:00:07,497 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:07,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:07,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1378664763, now seen corresponding path program 1 times
[2020-09-24 16:00:07,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:07,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252982868]
[2020-09-24 16:00:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:07,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:07,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:07,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:07,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:07,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212
[2020-09-24 16:00:07,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:07,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186
[2020-09-24 16:00:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:00:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:07,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:07,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:07,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:07,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:07,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:07,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:07,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:07,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:07,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:07,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-24 16:00:07,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252982868]
[2020-09-24 16:00:07,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:07,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:07,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313538487]
[2020-09-24 16:00:07,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:07,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:07,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:07,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:07,674 INFO L87 Difference]: Start difference. First operand 572 states and 688 transitions. Second operand 3 states.
[2020-09-24 16:00:07,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:07,855 INFO L93 Difference]: Finished difference Result 1060 states and 1317 transitions.
[2020-09-24 16:00:07,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:07,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203
[2020-09-24 16:00:07,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:07,861 INFO L225 Difference]: With dead ends: 1060
[2020-09-24 16:00:07,861 INFO L226 Difference]: Without dead ends: 633
[2020-09-24 16:00:07,864 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
[2020-09-24 16:00:07,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states.
[2020-09-24 16:00:07,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 612.
[2020-09-24 16:00:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states.
[2020-09-24 16:00:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 738 transitions.
[2020-09-24 16:00:07,891 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 738 transitions. Word has length 203
[2020-09-24 16:00:07,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:07,892 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 738 transitions.
[2020-09-24 16:00:07,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 738 transitions.
[2020-09-24 16:00:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2020-09-24 16:00:07,899 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:07,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:07,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 16:00:07,900 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:07,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:07,901 INFO L82 PathProgramCache]: Analyzing trace with hash -2019314839, now seen corresponding path program 1 times
[2020-09-24 16:00:07,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:07,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35734413]
[2020-09-24 16:00:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:07,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:07,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:07,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:07,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:07,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219
[2020-09-24 16:00:07,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:07,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169
[2020-09-24 16:00:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 16:00:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:08,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:00:08,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35734413]
[2020-09-24 16:00:08,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:08,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:08,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086395169]
[2020-09-24 16:00:08,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:08,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:08,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:08,119 INFO L87 Difference]: Start difference. First operand 612 states and 738 transitions. Second operand 3 states.
[2020-09-24 16:00:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:08,157 INFO L93 Difference]: Finished difference Result 1492 states and 1838 transitions.
[2020-09-24 16:00:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:08,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210
[2020-09-24 16:00:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:08,164 INFO L225 Difference]: With dead ends: 1492
[2020-09-24 16:00:08,165 INFO L226 Difference]: Without dead ends: 1025
[2020-09-24 16:00:08,167 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
[2020-09-24 16:00:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states.
[2020-09-24 16:00:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 1023.
[2020-09-24 16:00:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states.
[2020-09-24 16:00:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1242 transitions.
[2020-09-24 16:00:08,211 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1242 transitions. Word has length 210
[2020-09-24 16:00:08,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:08,212 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1242 transitions.
[2020-09-24 16:00:08,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1242 transitions.
[2020-09-24 16:00:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2020-09-24 16:00:08,219 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:08,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:08,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 16:00:08,220 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:08,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:08,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1170821308, now seen corresponding path program 1 times
[2020-09-24 16:00:08,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352008258]
[2020-09-24 16:00:08,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220
[2020-09-24 16:00:08,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:08,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140
[2020-09-24 16:00:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31
[2020-09-24 16:00:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-24 16:00:08,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352008258]
[2020-09-24 16:00:08,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:08,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:08,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356345937]
[2020-09-24 16:00:08,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:08,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:08,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:08,386 INFO L87 Difference]: Start difference. First operand 1023 states and 1242 transitions. Second operand 3 states.
[2020-09-24 16:00:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:08,435 INFO L93 Difference]: Finished difference Result 1919 states and 2357 transitions.
[2020-09-24 16:00:08,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:08,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211
[2020-09-24 16:00:08,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:08,444 INFO L225 Difference]: With dead ends: 1919
[2020-09-24 16:00:08,445 INFO L226 Difference]: Without dead ends: 1041
[2020-09-24 16:00:08,448 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
[2020-09-24 16:00:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states.
[2020-09-24 16:00:08,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1031.
[2020-09-24 16:00:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states.
[2020-09-24 16:00:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1248 transitions.
[2020-09-24 16:00:08,491 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1248 transitions. Word has length 211
[2020-09-24 16:00:08,491 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:08,491 INFO L479 AbstractCegarLoop]: Abstraction has 1031 states and 1248 transitions.
[2020-09-24 16:00:08,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1248 transitions.
[2020-09-24 16:00:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2020-09-24 16:00:08,498 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:08,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:08,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 16:00:08,499 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:08,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1492439948, now seen corresponding path program 1 times
[2020-09-24 16:00:08,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477640118]
[2020-09-24 16:00:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222
[2020-09-24 16:00:08,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:08,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-24 16:00:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-24 16:00:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:08,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:08,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:08,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-24 16:00:08,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477640118]
[2020-09-24 16:00:08,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:08,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:08,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308863496]
[2020-09-24 16:00:08,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:08,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:08,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:08,725 INFO L87 Difference]: Start difference. First operand 1031 states and 1248 transitions. Second operand 3 states.
[2020-09-24 16:00:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:08,805 INFO L93 Difference]: Finished difference Result 2791 states and 3428 transitions.
[2020-09-24 16:00:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:08,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213
[2020-09-24 16:00:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:08,819 INFO L225 Difference]: With dead ends: 2791
[2020-09-24 16:00:08,820 INFO L226 Difference]: Without dead ends: 1905
[2020-09-24 16:00:08,823 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
[2020-09-24 16:00:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states.
[2020-09-24 16:00:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1903.
[2020-09-24 16:00:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states.
[2020-09-24 16:00:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2318 transitions.
[2020-09-24 16:00:08,917 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2318 transitions. Word has length 213
[2020-09-24 16:00:08,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:08,918 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 2318 transitions.
[2020-09-24 16:00:08,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2318 transitions.
[2020-09-24 16:00:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2020-09-24 16:00:08,923 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:08,923 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:08,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 16:00:08,924 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:08,925 INFO L82 PathProgramCache]: Analyzing trace with hash -193739890, now seen corresponding path program 1 times
[2020-09-24 16:00:08,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773154846]
[2020-09-24 16:00:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222
[2020-09-24 16:00:08,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:09,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-09-24 16:00:09,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773154846]
[2020-09-24 16:00:09,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:09,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:09,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53292683]
[2020-09-24 16:00:09,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:09,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:09,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:09,111 INFO L87 Difference]: Start difference. First operand 1903 states and 2318 transitions. Second operand 3 states.
[2020-09-24 16:00:09,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:09,190 INFO L93 Difference]: Finished difference Result 2806 states and 3426 transitions.
[2020-09-24 16:00:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:09,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213
[2020-09-24 16:00:09,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:09,206 INFO L225 Difference]: With dead ends: 2806
[2020-09-24 16:00:09,207 INFO L226 Difference]: Without dead ends: 1920
[2020-09-24 16:00:09,211 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
[2020-09-24 16:00:09,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states.
[2020-09-24 16:00:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1918.
[2020-09-24 16:00:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1918 states.
[2020-09-24 16:00:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2326 transitions.
[2020-09-24 16:00:09,312 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2326 transitions. Word has length 213
[2020-09-24 16:00:09,312 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:09,313 INFO L479 AbstractCegarLoop]: Abstraction has 1918 states and 2326 transitions.
[2020-09-24 16:00:09,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2326 transitions.
[2020-09-24 16:00:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-09-24 16:00:09,318 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:09,318 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:09,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 16:00:09,318 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:09,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:09,319 INFO L82 PathProgramCache]: Analyzing trace with hash -792504871, now seen corresponding path program 1 times
[2020-09-24 16:00:09,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090706419]
[2020-09-24 16:00:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223
[2020-09-24 16:00:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:09,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188
[2020-09-24 16:00:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 16:00:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-24 16:00:09,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090706419]
[2020-09-24 16:00:09,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:09,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:09,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25092369]
[2020-09-24 16:00:09,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:09,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:09,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:09,507 INFO L87 Difference]: Start difference. First operand 1918 states and 2326 transitions. Second operand 3 states.
[2020-09-24 16:00:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:09,608 INFO L93 Difference]: Finished difference Result 3676 states and 4505 transitions.
[2020-09-24 16:00:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:09,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-09-24 16:00:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:09,624 INFO L225 Difference]: With dead ends: 3676
[2020-09-24 16:00:09,625 INFO L226 Difference]: Without dead ends: 2786
[2020-09-24 16:00:09,628 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
[2020-09-24 16:00:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states.
[2020-09-24 16:00:09,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786.
[2020-09-24 16:00:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2786 states.
[2020-09-24 16:00:09,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3389 transitions.
[2020-09-24 16:00:09,747 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3389 transitions. Word has length 214
[2020-09-24 16:00:09,748 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:09,748 INFO L479 AbstractCegarLoop]: Abstraction has 2786 states and 3389 transitions.
[2020-09-24 16:00:09,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3389 transitions.
[2020-09-24 16:00:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2020-09-24 16:00:09,759 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:09,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:09,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 16:00:09,760 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:09,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1362043361, now seen corresponding path program 1 times
[2020-09-24 16:00:09,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738743170]
[2020-09-24 16:00:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233
[2020-09-24 16:00:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:09,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208
[2020-09-24 16:00:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-24 16:00:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:09,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:09,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:09,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-24 16:00:09,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738743170]
[2020-09-24 16:00:09,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:09,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:09,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963115301]
[2020-09-24 16:00:09,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:09,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:09,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:09,944 INFO L87 Difference]: Start difference. First operand 2786 states and 3389 transitions. Second operand 3 states.
[2020-09-24 16:00:10,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:10,304 INFO L93 Difference]: Finished difference Result 6087 states and 7685 transitions.
[2020-09-24 16:00:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:10,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224
[2020-09-24 16:00:10,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:10,323 INFO L225 Difference]: With dead ends: 6087
[2020-09-24 16:00:10,323 INFO L226 Difference]: Without dead ends: 3449
[2020-09-24 16:00:10,331 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
[2020-09-24 16:00:10,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states.
[2020-09-24 16:00:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 3263.
[2020-09-24 16:00:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3263 states.
[2020-09-24 16:00:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 3929 transitions.
[2020-09-24 16:00:10,564 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 3929 transitions. Word has length 224
[2020-09-24 16:00:10,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:10,565 INFO L479 AbstractCegarLoop]: Abstraction has 3263 states and 3929 transitions.
[2020-09-24 16:00:10,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3929 transitions.
[2020-09-24 16:00:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2020-09-24 16:00:10,581 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:10,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:10,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 16:00:10,582 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:10,583 INFO L82 PathProgramCache]: Analyzing trace with hash -481557951, now seen corresponding path program 1 times
[2020-09-24 16:00:10,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196559538]
[2020-09-24 16:00:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233
[2020-09-24 16:00:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:10,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208
[2020-09-24 16:00:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-24 16:00:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:10,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:10,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:10,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-24 16:00:10,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196559538]
[2020-09-24 16:00:10,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:10,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:10,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227934254]
[2020-09-24 16:00:10,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:10,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:10,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:10,739 INFO L87 Difference]: Start difference. First operand 3263 states and 3929 transitions. Second operand 3 states.
[2020-09-24 16:00:10,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:10,964 INFO L93 Difference]: Finished difference Result 6691 states and 8167 transitions.
[2020-09-24 16:00:10,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:10,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224
[2020-09-24 16:00:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:10,983 INFO L225 Difference]: With dead ends: 6691
[2020-09-24 16:00:10,983 INFO L226 Difference]: Without dead ends: 3588
[2020-09-24 16:00:10,990 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
[2020-09-24 16:00:10,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states.
[2020-09-24 16:00:11,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3476.
[2020-09-24 16:00:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3476 states.
[2020-09-24 16:00:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4157 transitions.
[2020-09-24 16:00:11,109 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4157 transitions. Word has length 224
[2020-09-24 16:00:11,110 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:11,110 INFO L479 AbstractCegarLoop]: Abstraction has 3476 states and 4157 transitions.
[2020-09-24 16:00:11,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4157 transitions.
[2020-09-24 16:00:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2020-09-24 16:00:11,119 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:11,119 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:11,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-24 16:00:11,120 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:11,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:11,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1724843027, now seen corresponding path program 1 times
[2020-09-24 16:00:11,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071512776]
[2020-09-24 16:00:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248
[2020-09-24 16:00:11,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:11,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213
[2020-09-24 16:00:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 16:00:11,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:11,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:11,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-24 16:00:11,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071512776]
[2020-09-24 16:00:11,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:11,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:11,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920779715]
[2020-09-24 16:00:11,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:11,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:11,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:11,287 INFO L87 Difference]: Start difference. First operand 3476 states and 4157 transitions. Second operand 3 states.
[2020-09-24 16:00:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:11,412 INFO L93 Difference]: Finished difference Result 6792 states and 8167 transitions.
[2020-09-24 16:00:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:11,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239
[2020-09-24 16:00:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:11,436 INFO L225 Difference]: With dead ends: 6792
[2020-09-24 16:00:11,437 INFO L226 Difference]: Without dead ends: 4574
[2020-09-24 16:00:11,443 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
[2020-09-24 16:00:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states.
[2020-09-24 16:00:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 4574.
[2020-09-24 16:00:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4574 states.
[2020-09-24 16:00:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5480 transitions.
[2020-09-24 16:00:11,598 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5480 transitions. Word has length 239
[2020-09-24 16:00:11,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:11,600 INFO L479 AbstractCegarLoop]: Abstraction has 4574 states and 5480 transitions.
[2020-09-24 16:00:11,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5480 transitions.
[2020-09-24 16:00:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2020-09-24 16:00:11,613 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:11,614 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:11,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-24 16:00:11,614 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:11,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:11,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1037157879, now seen corresponding path program 1 times
[2020-09-24 16:00:11,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950452350]
[2020-09-24 16:00:11,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256
[2020-09-24 16:00:11,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231
[2020-09-24 16:00:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-24 16:00:11,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:11,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:11,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2020-09-24 16:00:11,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950452350]
[2020-09-24 16:00:11,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:11,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:11,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282092178]
[2020-09-24 16:00:11,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:11,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:11,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:11,775 INFO L87 Difference]: Start difference. First operand 4574 states and 5480 transitions. Second operand 3 states.
[2020-09-24 16:00:12,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:12,017 INFO L93 Difference]: Finished difference Result 9412 states and 11433 transitions.
[2020-09-24 16:00:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:12,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247
[2020-09-24 16:00:12,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:12,056 INFO L225 Difference]: With dead ends: 9412
[2020-09-24 16:00:12,056 INFO L226 Difference]: Without dead ends: 4998
[2020-09-24 16:00:12,067 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
[2020-09-24 16:00:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states.
[2020-09-24 16:00:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4890.
[2020-09-24 16:00:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4890 states.
[2020-09-24 16:00:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 5816 transitions.
[2020-09-24 16:00:12,218 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 5816 transitions. Word has length 247
[2020-09-24 16:00:12,219 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:12,219 INFO L479 AbstractCegarLoop]: Abstraction has 4890 states and 5816 transitions.
[2020-09-24 16:00:12,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 5816 transitions.
[2020-09-24 16:00:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267
[2020-09-24 16:00:12,236 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:12,236 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:12,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-24 16:00:12,237 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:12,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1741885973, now seen corresponding path program 1 times
[2020-09-24 16:00:12,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472988550]
[2020-09-24 16:00:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275
[2020-09-24 16:00:12,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-24 16:00:12,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190
[2020-09-24 16:00:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-09-24 16:00:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:12,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:12,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 83 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-24 16:00:12,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472988550]
[2020-09-24 16:00:12,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-24 16:00:12,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2020-09-24 16:00:12,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013697699]
[2020-09-24 16:00:12,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:12,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:12,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:12,521 INFO L87 Difference]: Start difference. First operand 4890 states and 5816 transitions. Second operand 5 states.
[2020-09-24 16:00:12,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:12,828 INFO L93 Difference]: Finished difference Result 7826 states and 9319 transitions.
[2020-09-24 16:00:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:12,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266
[2020-09-24 16:00:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:12,853 INFO L225 Difference]: With dead ends: 7826
[2020-09-24 16:00:12,853 INFO L226 Difference]: Without dead ends: 5442
[2020-09-24 16:00:12,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:00:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states.
[2020-09-24 16:00:12,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 4971.
[2020-09-24 16:00:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4971 states.
[2020-09-24 16:00:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4971 states to 4971 states and 5916 transitions.
[2020-09-24 16:00:12,984 INFO L78 Accepts]: Start accepts. Automaton has 4971 states and 5916 transitions. Word has length 266
[2020-09-24 16:00:12,985 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:12,985 INFO L479 AbstractCegarLoop]: Abstraction has 4971 states and 5916 transitions.
[2020-09-24 16:00:12,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4971 states and 5916 transitions.
[2020-09-24 16:00:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-09-24 16:00:12,998 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:12,998 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:12,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-24 16:00:12,999 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:12,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:12,999 INFO L82 PathProgramCache]: Analyzing trace with hash -625071199, now seen corresponding path program 2 times
[2020-09-24 16:00:12,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663650243]
[2020-09-24 16:00:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203
[2020-09-24 16:00:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-24 16:00:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2020-09-24 16:00:13,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663650243]
[2020-09-24 16:00:13,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:13,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:13,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185652252]
[2020-09-24 16:00:13,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:13,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:13,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:13,174 INFO L87 Difference]: Start difference. First operand 4971 states and 5916 transitions. Second operand 5 states.
[2020-09-24 16:00:13,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:13,533 INFO L93 Difference]: Finished difference Result 8680 states and 10255 transitions.
[2020-09-24 16:00:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:13,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269
[2020-09-24 16:00:13,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:13,548 INFO L225 Difference]: With dead ends: 8680
[2020-09-24 16:00:13,549 INFO L226 Difference]: Without dead ends: 6215
[2020-09-24 16:00:13,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:00:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states.
[2020-09-24 16:00:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 4971.
[2020-09-24 16:00:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4971 states.
[2020-09-24 16:00:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4971 states to 4971 states and 5916 transitions.
[2020-09-24 16:00:13,703 INFO L78 Accepts]: Start accepts. Automaton has 4971 states and 5916 transitions. Word has length 269
[2020-09-24 16:00:13,703 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:13,704 INFO L479 AbstractCegarLoop]: Abstraction has 4971 states and 5916 transitions.
[2020-09-24 16:00:13,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4971 states and 5916 transitions.
[2020-09-24 16:00:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-09-24 16:00:13,715 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:13,715 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:13,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-24 16:00:13,716 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:13,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash -555087791, now seen corresponding path program 1 times
[2020-09-24 16:00:13,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803531896]
[2020-09-24 16:00:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278
[2020-09-24 16:00:13,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:13,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216
[2020-09-24 16:00:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-24 16:00:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:13,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:13,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-24 16:00:13,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803531896]
[2020-09-24 16:00:13,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:13,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 16:00:13,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561497947]
[2020-09-24 16:00:13,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 16:00:13,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 16:00:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 16:00:13,873 INFO L87 Difference]: Start difference. First operand 4971 states and 5916 transitions. Second operand 4 states.
[2020-09-24 16:00:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:14,431 INFO L93 Difference]: Finished difference Result 12595 states and 15120 transitions.
[2020-09-24 16:00:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 16:00:14,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 269
[2020-09-24 16:00:14,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:14,451 INFO L225 Difference]: With dead ends: 12595
[2020-09-24 16:00:14,451 INFO L226 Difference]: Without dead ends: 7784
[2020-09-24 16:00:14,466 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
[2020-09-24 16:00:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7784 states.
[2020-09-24 16:00:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7784 to 4999.
[2020-09-24 16:00:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states.
[2020-09-24 16:00:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 5884 transitions.
[2020-09-24 16:00:14,627 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 5884 transitions. Word has length 269
[2020-09-24 16:00:14,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:14,628 INFO L479 AbstractCegarLoop]: Abstraction has 4999 states and 5884 transitions.
[2020-09-24 16:00:14,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 16:00:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 5884 transitions.
[2020-09-24 16:00:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-09-24 16:00:14,652 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:14,652 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:14,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-24 16:00:14,653 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:14,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:14,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1985209329, now seen corresponding path program 3 times
[2020-09-24 16:00:14,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:14,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26363397]
[2020-09-24 16:00:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:14,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:14,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:14,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:14,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:14,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278
[2020-09-24 16:00:14,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:14,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:14,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149
[2020-09-24 16:00:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-24 16:00:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:14,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:14,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:14,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:14,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:14,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:14,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:14,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:14,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:14,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2020-09-24 16:00:14,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26363397]
[2020-09-24 16:00:14,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:14,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:14,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023710747]
[2020-09-24 16:00:14,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:14,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:14,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:14,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:14,826 INFO L87 Difference]: Start difference. First operand 4999 states and 5884 transitions. Second operand 5 states.
[2020-09-24 16:00:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:15,250 INFO L93 Difference]: Finished difference Result 8216 states and 9615 transitions.
[2020-09-24 16:00:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:15,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269
[2020-09-24 16:00:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:15,265 INFO L225 Difference]: With dead ends: 8216
[2020-09-24 16:00:15,266 INFO L226 Difference]: Without dead ends: 5715
[2020-09-24 16:00:15,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:00:15,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states.
[2020-09-24 16:00:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 5079.
[2020-09-24 16:00:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5079 states.
[2020-09-24 16:00:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5972 transitions.
[2020-09-24 16:00:15,440 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5972 transitions. Word has length 269
[2020-09-24 16:00:15,440 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:15,440 INFO L479 AbstractCegarLoop]: Abstraction has 5079 states and 5972 transitions.
[2020-09-24 16:00:15,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5972 transitions.
[2020-09-24 16:00:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 16:00:15,457 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:15,458 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:15,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-24 16:00:15,459 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:15,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:15,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1391566917, now seen corresponding path program 1 times
[2020-09-24 16:00:15,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630511538]
[2020-09-24 16:00:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:15,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:15,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:15,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:15,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280
[2020-09-24 16:00:15,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:15,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229
[2020-09-24 16:00:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-24 16:00:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:15,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:15,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:15,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:15,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:15,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:15,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2020-09-24 16:00:15,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630511538]
[2020-09-24 16:00:15,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:15,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:15,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984525369]
[2020-09-24 16:00:15,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:15,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:15,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:15,627 INFO L87 Difference]: Start difference. First operand 5079 states and 5972 transitions. Second operand 3 states.
[2020-09-24 16:00:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:15,757 INFO L93 Difference]: Finished difference Result 9461 states and 11155 transitions.
[2020-09-24 16:00:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:15,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271
[2020-09-24 16:00:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:15,769 INFO L225 Difference]: With dead ends: 9461
[2020-09-24 16:00:15,769 INFO L226 Difference]: Without dead ends: 5766
[2020-09-24 16:00:15,778 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
[2020-09-24 16:00:15,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states.
[2020-09-24 16:00:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 5766.
[2020-09-24 16:00:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5766 states.
[2020-09-24 16:00:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5766 states to 5766 states and 6772 transitions.
[2020-09-24 16:00:15,907 INFO L78 Accepts]: Start accepts. Automaton has 5766 states and 6772 transitions. Word has length 271
[2020-09-24 16:00:15,908 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:15,908 INFO L479 AbstractCegarLoop]: Abstraction has 5766 states and 6772 transitions.
[2020-09-24 16:00:15,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5766 states and 6772 transitions.
[2020-09-24 16:00:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273
[2020-09-24 16:00:15,920 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:15,920 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:15,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-24 16:00:15,921 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1703791530, now seen corresponding path program 1 times
[2020-09-24 16:00:15,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222537918]
[2020-09-24 16:00:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 16:00:15,963 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 16:00:15,964 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 16:00:15,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-24 16:00:16,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:00:16 BoogieIcfgContainer
[2020-09-24 16:00:16,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:00:16,031 INFO L168 Benchmark]: Toolchain (without parser) took 12481.72 ms. Allocated memory was 138.4 MB in the beginning and 589.8 MB in the end (delta: 451.4 MB). Free memory was 99.8 MB in the beginning and 232.0 MB in the end (delta: -132.2 MB). Peak memory consumption was 319.2 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,032 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.20 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.2 MB in the beginning and 175.9 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,039 INFO L168 Benchmark]: Boogie Preprocessor took 69.01 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 173.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,043 INFO L168 Benchmark]: RCFGBuilder took 1110.14 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 109.6 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,043 INFO L168 Benchmark]: TraceAbstraction took 10648.52 ms. Allocated memory was 200.3 MB in the beginning and 589.8 MB in the end (delta: 389.5 MB). Free memory was 108.9 MB in the beginning and 232.0 MB in the end (delta: -123.1 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:16,053 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 642.20 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.2 MB in the beginning and 175.9 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 69.01 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 173.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1110.14 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 109.6 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 10648.52 ms. Allocated memory was 200.3 MB in the beginning and 589.8 MB in the end (delta: 389.5 MB). Free memory was 108.9 MB in the beginning and 232.0 MB in the end (delta: -123.1 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L548] int s ;
[L552] s = 12292
[L553] CALL ssl3_connect(12292)
[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__bbio = __VERIFIER_nondet_int() ;
[L20] int s__wbio = __VERIFIER_nondet_int() ;
[L21] int s__hit = __VERIFIER_nondet_int() ;
[L22] int s__rwstate ;
[L23] int s__init_buf___0 = 1;
[L24] int s__debug = __VERIFIER_nondet_int() ;
[L25] int s__shutdown ;
[L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ;
[L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ;
[L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ;
[L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ;
[L31] int s__s3__change_cipher_spec ;
[L32] int s__s3__flags ;
[L33] int s__s3__delay_buf_pop_ret ;
[L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ;
[L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ;
[L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L39] int s__s3__tmp__next_state___0 ;
[L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ;
[L41] int s__session__cipher ;
[L42] int s__session__compress_meth ;
[L43] int buf ;
[L44] unsigned long tmp ;
[L45] unsigned long l ;
[L46] int num1 ;
[L47] int cb ;
[L48] int ret ;
[L49] int new_state ;
[L50] int state ;
[L51] int skip ;
[L52] int tmp___0 ;
[L53] int tmp___1 = __VERIFIER_nondet_int() ;
[L54] int tmp___2 = __VERIFIER_nondet_int() ;
[L55] int tmp___3 = __VERIFIER_nondet_int() ;
[L56] int tmp___4 = __VERIFIER_nondet_int() ;
[L57] int tmp___5 = __VERIFIER_nondet_int() ;
[L58] int tmp___6 = __VERIFIER_nondet_int() ;
[L59] int tmp___7 = __VERIFIER_nondet_int() ;
[L60] int tmp___8 = __VERIFIER_nondet_int() ;
[L61] int tmp___9 = __VERIFIER_nondet_int() ;
[L62] int blastFlag ;
[L63] int __cil_tmp55 ;
[L64] long __cil_tmp56 ;
[L65] long __cil_tmp57 ;
[L66] long __cil_tmp58 ;
[L67] long __cil_tmp59 ;
[L68] long __cil_tmp60 ;
[L69] long __cil_tmp61 ;
[L70] long __cil_tmp62 ;
[L71] long __cil_tmp63 ;
[L72] long __cil_tmp64 ;
[L76] s__state = initial_state
[L77] blastFlag = 0
[L78] tmp = __VERIFIER_nondet_int()
[L79] cb = 0
[L80] ret = -1
[L81] skip = 0
[L82] tmp___0 = 0
[L83] COND TRUE s__info_callback != 0
[L84] cb = s__info_callback
[L90] s__in_handshake ++
[L91] COND FALSE !(tmp___1 - 12288)
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND TRUE s__state == 12292
[L202] s__new_session = 1
[L203] s__state = 4096
[L204] s__ctx__stats__sess_connect_renegotiate ++
[L209] s__server = 0
[L210] COND TRUE cb != 0
[L214] __cil_tmp55 = s__version - 65280
[L215] COND FALSE !(__cil_tmp55 != 768)
[L220] s__type = 4096
[L221] COND FALSE !(s__init_buf___0 == 0)
[L233] COND FALSE !(! tmp___4)
[L237] COND FALSE !(! tmp___5)
[L241] s__state = 4368
[L242] s__ctx__stats__sess_connect ++
[L243] s__init_num = 0
[L515] COND FALSE !(! s__s3__tmp__reuse_message)
[L532] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 4096)
[L109] COND FALSE !(s__state == 20480)
[L112] COND FALSE !(s__state == 4099)
[L115] COND TRUE s__state == 4368
[L247] s__shutdown = 0
[L248] ret = __VERIFIER_nondet_int()
[L249] COND TRUE blastFlag == 0
[L250] blastFlag = 1
[L252] COND FALSE !(ret <= 0)
[L255] s__state = 4384
[L256] s__init_num = 0
[L257] COND TRUE s__bbio != s__wbio
[L515] COND FALSE !(! s__s3__tmp__reuse_message)
[L532] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 4096)
[L109] COND FALSE !(s__state == 20480)
[L112] COND FALSE !(s__state == 4099)
[L115] COND FALSE !(s__state == 4368)
[L118] COND FALSE !(s__state == 4369)
[L121] COND TRUE s__state == 4384
[L263] ret = __VERIFIER_nondet_int()
[L264] COND TRUE blastFlag == 1
[L265] blastFlag = 2
[L267] COND FALSE !(ret <= 0)
[L270] COND FALSE !(\read(s__hit))
[L273] s__state = 4400
[L275] s__init_num = 0
[L515] COND FALSE !(! s__s3__tmp__reuse_message)
[L532] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 4096)
[L109] COND FALSE !(s__state == 20480)
[L112] COND FALSE !(s__state == 4099)
[L115] COND FALSE !(s__state == 4368)
[L118] COND FALSE !(s__state == 4369)
[L121] COND FALSE !(s__state == 4384)
[L124] COND FALSE !(s__state == 4385)
[L127] COND TRUE s__state == 4400
[L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256)
[L282] ret = __VERIFIER_nondet_int()
[L283] COND TRUE blastFlag == 2
[L284] blastFlag = 3
[L286] COND FALSE !(ret <= 0)
[L290] s__state = 4416
[L291] s__init_num = 0
[L515] COND FALSE !(! s__s3__tmp__reuse_message)
[L532] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 4096)
[L109] COND FALSE !(s__state == 20480)
[L112] COND FALSE !(s__state == 4099)
[L115] COND FALSE !(s__state == 4368)
[L118] COND FALSE !(s__state == 4369)
[L121] COND FALSE !(s__state == 4384)
[L124] COND FALSE !(s__state == 4385)
[L127] COND FALSE !(s__state == 4400)
[L130] COND FALSE !(s__state == 4401)
[L133] COND TRUE s__state == 4416
[L295] ret = __VERIFIER_nondet_int()
[L296] COND TRUE blastFlag == 3
[L297] blastFlag = 4
[L299] COND FALSE !(ret <= 0)
[L302] s__state = 4432
[L303] s__init_num = 0
[L304] COND FALSE !(! tmp___6)
[L515] COND FALSE !(! s__s3__tmp__reuse_message)
[L532] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 4096)
[L109] COND FALSE !(s__state == 20480)
[L112] COND FALSE !(s__state == 4099)
[L115] COND FALSE !(s__state == 4368)
[L118] COND FALSE !(s__state == 4369)
[L121] COND FALSE !(s__state == 4384)
[L124] COND FALSE !(s__state == 4385)
[L127] COND FALSE !(s__state == 4400)
[L130] COND FALSE !(s__state == 4401)
[L133] COND FALSE !(s__state == 4416)
[L136] COND FALSE !(s__state == 4417)
[L139] COND TRUE s__state == 4432
[L311] ret = __VERIFIER_nondet_int()
[L312] COND TRUE blastFlag == 4
[L543] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.5s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8191 SDtfs, 3654 SDslu, 8105 SDs, 0 SdLazy, 1758 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5766occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 5589 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 4347 NumberOfCodeBlocks, 4347 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4057 ConstructedInterpolants, 0 QuantifiedInterpolants, 1200717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 883/888 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...