/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_3.cil-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:00:04,715 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:00:04,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:00:04,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:00:04,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:00:04,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:00:04,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:00:04,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:00:04,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:00:04,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:00:04,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:00:04,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:00:04,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:00:04,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:00:04,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:00:04,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:00:04,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:00:04,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:00:04,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:00:04,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:00:04,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:00:04,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:00:04,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:00:04,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:00:04,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:00:04,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:00:04,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:00:04,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:00:04,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:00:04,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:00:04,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:00:04,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:00:04,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:00:04,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:00:04,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:00:04,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:00:04,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:00:04,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:00:04,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:00:04,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:00:04,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:00:04,826 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 16:00:04,885 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:00:04,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:00:04,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:00:04,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:00:04,889 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:00:04,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:00:04,890 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:00:04,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:00:04,890 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:00:04,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:00:04,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:00:04,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:00:04,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:00:04,893 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:00:04,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:00:04,893 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:00:04,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:00:04,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:00:04,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:00:04,894 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:00:04,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:00:04,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:00:04,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:00:04,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:00:04,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:00:04,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:00:04,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:00:04,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:00:04,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:00:04,896 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 16:00:05,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:00:05,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:00:05,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:00:05,416 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:00:05,419 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:00:05,420 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c
[2020-09-24 16:00:05,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4fee18c6/c35330e49e65469dba989f167917ba9c/FLAG286348ae3
[2020-09-24 16:00:06,117 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:00:06,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c
[2020-09-24 16:00:06,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4fee18c6/c35330e49e65469dba989f167917ba9c/FLAG286348ae3
[2020-09-24 16:00:06,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4fee18c6/c35330e49e65469dba989f167917ba9c
[2020-09-24 16:00:06,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:00:06,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:00:06,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:00:06,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:00:06,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:00:06,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:06,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26497d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06, skipping insertion in model container
[2020-09-24 16:00:06,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:06,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:00:06,490 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:00:06,793 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:00:06,799 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:00:06,971 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:00:06,990 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:00:06,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06 WrapperNode
[2020-09-24 16:00:06,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:00:06,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:00:06,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:00:06,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:00:07,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (1/1) ...
[2020-09-24 16:00:07,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:00:07,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:00:07,078 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:00:07,078 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:00:07,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (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 16:00:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:00:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:00:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect
[2020-09-24 16:00:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:00:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:00:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-24 16:00:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:00:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-24 16:00:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 16:00:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect
[2020-09-24 16:00:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:00:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:00:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:00:07,344 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-09-24 16:00:08,114 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-09-24 16:00:08,115 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-09-24 16:00:08,142 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:00:08,142 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 16:00:08,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:08 BoogieIcfgContainer
[2020-09-24 16:00:08,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:00:08,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:00:08,154 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:00:08,158 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:00:08,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:00:06" (1/3) ...
[2020-09-24 16:00:08,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb59bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:08, skipping insertion in model container
[2020-09-24 16:00:08,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:06" (2/3) ...
[2020-09-24 16:00:08,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb59bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:08, skipping insertion in model container
[2020-09-24 16:00:08,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:08" (3/3) ...
[2020-09-24 16:00:08,163 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c
[2020-09-24 16:00:08,176 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:00:08,187 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:00:08,211 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:00:08,245 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:00:08,245 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:00:08,245 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:00:08,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:00:08,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:00:08,246 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:00:08,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:00:08,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:00:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states.
[2020-09-24 16:00:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2020-09-24 16:00:08,294 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:08,296 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:08,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:08,303 INFO L82 PathProgramCache]: Analyzing trace with hash 44117518, now seen corresponding path program 1 times
[2020-09-24 16:00:08,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:08,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615667038]
[2020-09-24 16:00:08,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190
[2020-09-24 16:00:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-24 16:00:08,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 16:00:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-24 16:00:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173
[2020-09-24 16:00:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:08,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:08,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:08,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:08,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:08,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:08,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:08,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:08,974 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 16:00:08,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615667038]
[2020-09-24 16:00:08,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:08,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 16:00:08,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107370258]
[2020-09-24 16:00:08,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 16:00:08,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 16:00:09,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:00:09,008 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 6 states.
[2020-09-24 16:00:09,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:09,549 INFO L93 Difference]: Finished difference Result 733 states and 948 transitions.
[2020-09-24 16:00:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:09,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181
[2020-09-24 16:00:09,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:09,590 INFO L225 Difference]: With dead ends: 733
[2020-09-24 16:00:09,590 INFO L226 Difference]: Without dead ends: 399
[2020-09-24 16:00:09,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-09-24 16:00:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states.
[2020-09-24 16:00:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 378.
[2020-09-24 16:00:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2020-09-24 16:00:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 437 transitions.
[2020-09-24 16:00:09,679 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 437 transitions. Word has length 181
[2020-09-24 16:00:09,681 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:09,681 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 437 transitions.
[2020-09-24 16:00:09,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 16:00:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 437 transitions.
[2020-09-24 16:00:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2020-09-24 16:00:09,687 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:09,688 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-24 16:00:09,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:00:09,689 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:09,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:09,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1543076850, now seen corresponding path program 1 times
[2020-09-24 16:00:09,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:09,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690333505]
[2020-09-24 16:00:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:09,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:09,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:09,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:09,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212
[2020-09-24 16:00:09,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16
[2020-09-24 16:00:09,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 16:00:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-24 16:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161
[2020-09-24 16:00:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 16:00:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:10,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:10,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:00:10,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690333505]
[2020-09-24 16:00:10,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:10,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 16:00:10,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97238825]
[2020-09-24 16:00:10,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 16:00:10,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 16:00:10,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:00:10,084 INFO L87 Difference]: Start difference. First operand 378 states and 437 transitions. Second operand 6 states.
[2020-09-24 16:00:10,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:10,471 INFO L93 Difference]: Finished difference Result 654 states and 804 transitions.
[2020-09-24 16:00:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:10,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203
[2020-09-24 16:00:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:10,479 INFO L225 Difference]: With dead ends: 654
[2020-09-24 16:00:10,479 INFO L226 Difference]: Without dead ends: 442
[2020-09-24 16:00:10,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-09-24 16:00:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states.
[2020-09-24 16:00:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 391.
[2020-09-24 16:00:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states.
[2020-09-24 16:00:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 455 transitions.
[2020-09-24 16:00:10,507 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 455 transitions. Word has length 203
[2020-09-24 16:00:10,508 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:10,508 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 455 transitions.
[2020-09-24 16:00:10,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 16:00:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 455 transitions.
[2020-09-24 16:00:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2020-09-24 16:00:10,512 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:10,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:10,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:00:10,513 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:10,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1125063182, now seen corresponding path program 1 times
[2020-09-24 16:00:10,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665944285]
[2020-09-24 16:00:10,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216
[2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188
[2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:10,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:10,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:10,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:10,684 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 16:00:10,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665944285]
[2020-09-24 16:00:10,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:10,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:10,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167157901]
[2020-09-24 16:00:10,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:10,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:10,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:10,687 INFO L87 Difference]: Start difference. First operand 391 states and 455 transitions. Second operand 3 states.
[2020-09-24 16:00:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:10,824 INFO L93 Difference]: Finished difference Result 644 states and 778 transitions.
[2020-09-24 16:00:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:10,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207
[2020-09-24 16:00:10,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:10,831 INFO L225 Difference]: With dead ends: 644
[2020-09-24 16:00:10,831 INFO L226 Difference]: Without dead ends: 419
[2020-09-24 16:00:10,832 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 16:00:10,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states.
[2020-09-24 16:00:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 409.
[2020-09-24 16:00:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states.
[2020-09-24 16:00:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 478 transitions.
[2020-09-24 16:00:10,869 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 478 transitions. Word has length 207
[2020-09-24 16:00:10,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:10,870 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 478 transitions.
[2020-09-24 16:00:10,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 478 transitions.
[2020-09-24 16:00:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-09-24 16:00:10,873 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:10,874 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, 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 16:00:10,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 16:00:10,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:10,875 INFO L82 PathProgramCache]: Analyzing trace with hash -144330786, now seen corresponding path program 1 times
[2020-09-24 16:00:10,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:10,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663132023]
[2020-09-24 16:00:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223
[2020-09-24 16:00:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:10,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155
[2020-09-24 16:00:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67
[2020-09-24 16:00:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:10,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:10,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:10,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:10,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:10,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:10,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:10,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,036 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 16:00:11,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663132023]
[2020-09-24 16:00:11,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:11,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:11,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266974298]
[2020-09-24 16:00:11,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:11,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:11,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:11,040 INFO L87 Difference]: Start difference. First operand 409 states and 478 transitions. Second operand 3 states.
[2020-09-24 16:00:11,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:11,102 INFO L93 Difference]: Finished difference Result 888 states and 1088 transitions.
[2020-09-24 16:00:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:11,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-09-24 16:00:11,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:11,105 INFO L225 Difference]: With dead ends: 888
[2020-09-24 16:00:11,105 INFO L226 Difference]: Without dead ends: 645
[2020-09-24 16:00:11,106 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 16:00:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states.
[2020-09-24 16:00:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645.
[2020-09-24 16:00:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states.
[2020-09-24 16:00:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 775 transitions.
[2020-09-24 16:00:11,133 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 775 transitions. Word has length 214
[2020-09-24 16:00:11,133 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:11,133 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 775 transitions.
[2020-09-24 16:00:11,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 775 transitions.
[2020-09-24 16:00:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2020-09-24 16:00:11,137 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:11,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:11,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 16:00:11,138 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:11,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1130092021, now seen corresponding path program 1 times
[2020-09-24 16:00:11,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151144338]
[2020-09-24 16:00:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238
[2020-09-24 16:00:11,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:11,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210
[2020-09-24 16:00:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17
[2020-09-24 16:00:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:11,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:11,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:11,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,320 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 16:00:11,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151144338]
[2020-09-24 16:00:11,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:11,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:11,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118170637]
[2020-09-24 16:00:11,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:11,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:11,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:11,323 INFO L87 Difference]: Start difference. First operand 645 states and 775 transitions. Second operand 3 states.
[2020-09-24 16:00:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:11,477 INFO L93 Difference]: Finished difference Result 1188 states and 1470 transitions.
[2020-09-24 16:00:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:11,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229
[2020-09-24 16:00:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:11,482 INFO L225 Difference]: With dead ends: 1188
[2020-09-24 16:00:11,483 INFO L226 Difference]: Without dead ends: 709
[2020-09-24 16:00:11,484 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 16:00:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states.
[2020-09-24 16:00:11,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 685.
[2020-09-24 16:00:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states.
[2020-09-24 16:00:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 825 transitions.
[2020-09-24 16:00:11,508 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 825 transitions. Word has length 229
[2020-09-24 16:00:11,509 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:11,509 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 825 transitions.
[2020-09-24 16:00:11,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 825 transitions.
[2020-09-24 16:00:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2020-09-24 16:00:11,513 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:11,514 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, 1, 1, 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 16:00:11,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 16:00:11,514 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2121264617, now seen corresponding path program 1 times
[2020-09-24 16:00:11,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783317553]
[2020-09-24 16:00:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245
[2020-09-24 16:00:11,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:11,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193
[2020-09-24 16:00:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-24 16:00:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:11,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:11,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:11,719 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 16:00:11,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783317553]
[2020-09-24 16:00:11,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:11,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:11,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807097201]
[2020-09-24 16:00:11,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:11,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:11,747 INFO L87 Difference]: Start difference. First operand 685 states and 825 transitions. Second operand 3 states.
[2020-09-24 16:00:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:11,784 INFO L93 Difference]: Finished difference Result 1653 states and 2033 transitions.
[2020-09-24 16:00:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:11,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236
[2020-09-24 16:00:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:11,794 INFO L225 Difference]: With dead ends: 1653
[2020-09-24 16:00:11,795 INFO L226 Difference]: Without dead ends: 1134
[2020-09-24 16:00:11,797 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 16:00:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states.
[2020-09-24 16:00:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1132.
[2020-09-24 16:00:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states.
[2020-09-24 16:00:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1369 transitions.
[2020-09-24 16:00:11,849 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1369 transitions. Word has length 236
[2020-09-24 16:00:11,850 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:11,851 INFO L479 AbstractCegarLoop]: Abstraction has 1132 states and 1369 transitions.
[2020-09-24 16:00:11,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1369 transitions.
[2020-09-24 16:00:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2020-09-24 16:00:11,859 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:11,860 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, 1, 1, 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 16:00:11,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 16:00:11,861 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:11,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1692173170, now seen corresponding path program 1 times
[2020-09-24 16:00:11,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:11,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957078594]
[2020-09-24 16:00:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246
[2020-09-24 16:00:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:11,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161
[2020-09-24 16:00:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 16:00:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:11,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:11,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:11,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:11,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:11,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:11,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:12,043 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 16:00:12,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957078594]
[2020-09-24 16:00:12,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:12,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:12,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414457211]
[2020-09-24 16:00:12,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:12,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:12,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:12,047 INFO L87 Difference]: Start difference. First operand 1132 states and 1369 transitions. Second operand 3 states.
[2020-09-24 16:00:12,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:12,102 INFO L93 Difference]: Finished difference Result 2116 states and 2590 transitions.
[2020-09-24 16:00:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:12,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237
[2020-09-24 16:00:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:12,112 INFO L225 Difference]: With dead ends: 2116
[2020-09-24 16:00:12,112 INFO L226 Difference]: Without dead ends: 1150
[2020-09-24 16:00:12,116 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 16:00:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states.
[2020-09-24 16:00:12,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1140.
[2020-09-24 16:00:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states.
[2020-09-24 16:00:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1373 transitions.
[2020-09-24 16:00:12,168 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1373 transitions. Word has length 237
[2020-09-24 16:00:12,168 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:12,169 INFO L479 AbstractCegarLoop]: Abstraction has 1140 states and 1373 transitions.
[2020-09-24 16:00:12,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1373 transitions.
[2020-09-24 16:00:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2020-09-24 16:00:12,177 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:12,178 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, 1, 1, 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 16:00:12,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 16:00:12,178 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1154899678, now seen corresponding path program 1 times
[2020-09-24 16:00:12,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557529923]
[2020-09-24 16:00:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248
[2020-09-24 16:00:12,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:12,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178
[2020-09-24 16:00:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-24 16:00:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:12,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:12,445 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 16:00:12,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557529923]
[2020-09-24 16:00:12,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:12,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:12,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911329380]
[2020-09-24 16:00:12,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:12,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:12,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:12,449 INFO L87 Difference]: Start difference. First operand 1140 states and 1373 transitions. Second operand 3 states.
[2020-09-24 16:00:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:12,538 INFO L93 Difference]: Finished difference Result 3074 states and 3757 transitions.
[2020-09-24 16:00:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:12,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239
[2020-09-24 16:00:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:12,555 INFO L225 Difference]: With dead ends: 3074
[2020-09-24 16:00:12,556 INFO L226 Difference]: Without dead ends: 2100
[2020-09-24 16:00:12,559 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 16:00:12,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2020-09-24 16:00:12,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2098.
[2020-09-24 16:00:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2098 states.
[2020-09-24 16:00:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2541 transitions.
[2020-09-24 16:00:12,676 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2541 transitions. Word has length 239
[2020-09-24 16:00:12,677 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:12,677 INFO L479 AbstractCegarLoop]: Abstraction has 2098 states and 2541 transitions.
[2020-09-24 16:00:12,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2541 transitions.
[2020-09-24 16:00:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2020-09-24 16:00:12,687 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:12,687 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, 1, 1, 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 16:00:12,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 16:00:12,688 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:12,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1231609828, now seen corresponding path program 1 times
[2020-09-24 16:00:12,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905594919]
[2020-09-24 16:00:12,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248
[2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:00:12,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178
[2020-09-24 16:00:12,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-24 16:00:12,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:12,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:12,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:12,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:12,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:12,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:12,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:12,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 16:00:12,915 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 16:00:12,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905594919]
[2020-09-24 16:00:12,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:12,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:12,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943580718]
[2020-09-24 16:00:12,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:12,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:12,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:12,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:12,928 INFO L87 Difference]: Start difference. First operand 2098 states and 2541 transitions. Second operand 3 states.
[2020-09-24 16:00:13,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:13,015 INFO L93 Difference]: Finished difference Result 3089 states and 3751 transitions.
[2020-09-24 16:00:13,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:13,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239
[2020-09-24 16:00:13,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:13,033 INFO L225 Difference]: With dead ends: 3089
[2020-09-24 16:00:13,034 INFO L226 Difference]: Without dead ends: 2115
[2020-09-24 16:00:13,040 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 16:00:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states.
[2020-09-24 16:00:13,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2113.
[2020-09-24 16:00:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2113 states.
[2020-09-24 16:00:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2547 transitions.
[2020-09-24 16:00:13,164 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2547 transitions. Word has length 239
[2020-09-24 16:00:13,165 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:13,165 INFO L479 AbstractCegarLoop]: Abstraction has 2113 states and 2547 transitions.
[2020-09-24 16:00:13,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2547 transitions.
[2020-09-24 16:00:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2020-09-24 16:00:13,172 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:13,172 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, 1, 1, 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 16:00:13,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 16:00:13,173 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:13,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2054606457, now seen corresponding path program 1 times
[2020-09-24 16:00:13,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194442378]
[2020-09-24 16:00:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249
[2020-09-24 16:00:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:13,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212
[2020-09-24 16:00:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36
[2020-09-24 16:00:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:13,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,389 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 16:00:13,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194442378]
[2020-09-24 16:00:13,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:13,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:13,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442050803]
[2020-09-24 16:00:13,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:13,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:13,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:13,392 INFO L87 Difference]: Start difference. First operand 2113 states and 2547 transitions. Second operand 3 states.
[2020-09-24 16:00:13,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:13,491 INFO L93 Difference]: Finished difference Result 4045 states and 4926 transitions.
[2020-09-24 16:00:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:13,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240
[2020-09-24 16:00:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:13,506 INFO L225 Difference]: With dead ends: 4045
[2020-09-24 16:00:13,507 INFO L226 Difference]: Without dead ends: 3068
[2020-09-24 16:00:13,510 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 16:00:13,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states.
[2020-09-24 16:00:13,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3068.
[2020-09-24 16:00:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3068 states.
[2020-09-24 16:00:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 3710 transitions.
[2020-09-24 16:00:13,608 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 3710 transitions. Word has length 240
[2020-09-24 16:00:13,609 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:13,609 INFO L479 AbstractCegarLoop]: Abstraction has 3068 states and 3710 transitions.
[2020-09-24 16:00:13,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3710 transitions.
[2020-09-24 16:00:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2020-09-24 16:00:13,616 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:13,616 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, 1, 1, 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 16:00:13,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 16:00:13,617 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:13,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1762569168, now seen corresponding path program 1 times
[2020-09-24 16:00:13,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379241524]
[2020-09-24 16:00:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259
[2020-09-24 16:00:13,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234
[2020-09-24 16:00:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-24 16:00:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:13,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:13,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:13,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:13,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:13,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:13,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:13,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:13,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:13,750 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 16:00:13,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379241524]
[2020-09-24 16:00:13,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:13,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:13,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426823824]
[2020-09-24 16:00:13,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:13,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:13,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:13,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:13,753 INFO L87 Difference]: Start difference. First operand 3068 states and 3710 transitions. Second operand 3 states.
[2020-09-24 16:00:14,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:14,149 INFO L93 Difference]: Finished difference Result 6702 states and 8354 transitions.
[2020-09-24 16:00:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:14,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250
[2020-09-24 16:00:14,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:14,170 INFO L225 Difference]: With dead ends: 6702
[2020-09-24 16:00:14,171 INFO L226 Difference]: Without dead ends: 3803
[2020-09-24 16:00:14,180 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 16:00:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states.
[2020-09-24 16:00:14,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3545.
[2020-09-24 16:00:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states.
[2020-09-24 16:00:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4226 transitions.
[2020-09-24 16:00:14,323 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4226 transitions. Word has length 250
[2020-09-24 16:00:14,323 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:14,324 INFO L479 AbstractCegarLoop]: Abstraction has 3545 states and 4226 transitions.
[2020-09-24 16:00:14,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4226 transitions.
[2020-09-24 16:00:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2020-09-24 16:00:14,336 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:14,337 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, 1, 1, 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 16:00:14,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-24 16:00:14,337 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:14,338 INFO L82 PathProgramCache]: Analyzing trace with hash -81032144, now seen corresponding path program 1 times
[2020-09-24 16:00:14,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:14,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616784931]
[2020-09-24 16:00:14,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:14,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:14,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:14,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259
[2020-09-24 16:00:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:14,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234
[2020-09-24 16:00:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-24 16:00:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:14,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:14,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:14,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:14,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:14,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:14,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:14,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:14,474 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 16:00:14,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616784931]
[2020-09-24 16:00:14,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:14,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:14,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953074388]
[2020-09-24 16:00:14,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:14,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:14,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:14,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:14,477 INFO L87 Difference]: Start difference. First operand 3545 states and 4226 transitions. Second operand 3 states.
[2020-09-24 16:00:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:14,686 INFO L93 Difference]: Finished difference Result 7246 states and 8728 transitions.
[2020-09-24 16:00:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:14,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250
[2020-09-24 16:00:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:14,706 INFO L225 Difference]: With dead ends: 7246
[2020-09-24 16:00:14,706 INFO L226 Difference]: Without dead ends: 3882
[2020-09-24 16:00:14,714 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 16:00:14,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states.
[2020-09-24 16:00:14,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3758.
[2020-09-24 16:00:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3758 states.
[2020-09-24 16:00:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 4454 transitions.
[2020-09-24 16:00:14,835 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 4454 transitions. Word has length 250
[2020-09-24 16:00:14,835 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:14,836 INFO L479 AbstractCegarLoop]: Abstraction has 3758 states and 4454 transitions.
[2020-09-24 16:00:14,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 4454 transitions.
[2020-09-24 16:00:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266
[2020-09-24 16:00:14,852 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:14,853 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, 1, 1, 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 16:00:14,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-24 16:00:14,853 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:14,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:14,854 INFO L82 PathProgramCache]: Analyzing trace with hash 713835900, now seen corresponding path program 1 times
[2020-09-24 16:00:14,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:14,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214104829]
[2020-09-24 16:00:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:14,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:14,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:14,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274
[2020-09-24 16:00:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-24 16:00:14,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170
[2020-09-24 16:00:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-24 16:00:14,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:15,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:15,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:15,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:15,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:15,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:15,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:15,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2020-09-24 16:00:15,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214104829]
[2020-09-24 16:00:15,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:15,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:15,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038467110]
[2020-09-24 16:00:15,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:15,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:15,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:15,156 INFO L87 Difference]: Start difference. First operand 3758 states and 4454 transitions. Second operand 5 states.
[2020-09-24 16:00:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:15,550 INFO L93 Difference]: Finished difference Result 6233 states and 7321 transitions.
[2020-09-24 16:00:15,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:15,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265
[2020-09-24 16:00:15,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:15,575 INFO L225 Difference]: With dead ends: 6233
[2020-09-24 16:00:15,575 INFO L226 Difference]: Without dead ends: 4430
[2020-09-24 16:00:15,581 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 16:00:15,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states.
[2020-09-24 16:00:15,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 3860.
[2020-09-24 16:00:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3860 states.
[2020-09-24 16:00:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 4565 transitions.
[2020-09-24 16:00:15,720 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 4565 transitions. Word has length 265
[2020-09-24 16:00:15,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:15,720 INFO L479 AbstractCegarLoop]: Abstraction has 3860 states and 4565 transitions.
[2020-09-24 16:00:15,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4565 transitions.
[2020-09-24 16:00:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2020-09-24 16:00:15,731 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:15,731 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 16:00:15,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-24 16:00:15,731 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:15,732 INFO L82 PathProgramCache]: Analyzing trace with hash -700825412, now seen corresponding path program 2 times
[2020-09-24 16:00:15,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095917499]
[2020-09-24 16:00:15,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:15,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:15,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:15,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:15,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:15,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277
[2020-09-24 16:00:15,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 16:00:15,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203
[2020-09-24 16:00:15,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-24 16:00:15,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:15,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:15,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:15,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:15,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-09-24 16:00:15,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095917499]
[2020-09-24 16:00:15,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:15,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:15,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505346114]
[2020-09-24 16:00:15,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:15,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:15,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:15,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:15,906 INFO L87 Difference]: Start difference. First operand 3860 states and 4565 transitions. Second operand 5 states.
[2020-09-24 16:00:16,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:16,249 INFO L93 Difference]: Finished difference Result 6567 states and 7700 transitions.
[2020-09-24 16:00:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:16,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268
[2020-09-24 16:00:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:16,292 INFO L225 Difference]: With dead ends: 6567
[2020-09-24 16:00:16,292 INFO L226 Difference]: Without dead ends: 4662
[2020-09-24 16:00:16,298 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 16:00:16,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4662 states.
[2020-09-24 16:00:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4662 to 3897.
[2020-09-24 16:00:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states.
[2020-09-24 16:00:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4611 transitions.
[2020-09-24 16:00:16,453 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4611 transitions. Word has length 268
[2020-09-24 16:00:16,453 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:16,453 INFO L479 AbstractCegarLoop]: Abstraction has 3897 states and 4611 transitions.
[2020-09-24 16:00:16,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4611 transitions.
[2020-09-24 16:00:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-09-24 16:00:16,468 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:16,468 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:16,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-24 16:00:16,469 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:16,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:16,469 INFO L82 PathProgramCache]: Analyzing trace with hash 19964066, now seen corresponding path program 1 times
[2020-09-24 16:00:16,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:16,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884906225]
[2020-09-24 16:00:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:16,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:16,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:16,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:16,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:16,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278
[2020-09-24 16:00:16,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:16,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:00:16,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203
[2020-09-24 16:00:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-24 16:00:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:16,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:16,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:16,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:16,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:16,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:16,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:16,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:16,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:16,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-09-24 16:00:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884906225]
[2020-09-24 16:00:16,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:16,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:00:16,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868146097]
[2020-09-24 16:00:16,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:00:16,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:16,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:00:16,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:00:16,631 INFO L87 Difference]: Start difference. First operand 3897 states and 4611 transitions. Second operand 5 states.
[2020-09-24 16:00:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:16,918 INFO L93 Difference]: Finished difference Result 6406 states and 7521 transitions.
[2020-09-24 16:00:16,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:00:16,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269
[2020-09-24 16:00:16,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:16,928 INFO L225 Difference]: With dead ends: 6406
[2020-09-24 16:00:16,929 INFO L226 Difference]: Without dead ends: 4464
[2020-09-24 16:00:16,935 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 16:00:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4464 states.
[2020-09-24 16:00:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4464 to 3803.
[2020-09-24 16:00:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3803 states.
[2020-09-24 16:00:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 4502 transitions.
[2020-09-24 16:00:17,038 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 4502 transitions. Word has length 269
[2020-09-24 16:00:17,039 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:17,039 INFO L479 AbstractCegarLoop]: Abstraction has 3803 states and 4502 transitions.
[2020-09-24 16:00:17,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:00:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 4502 transitions.
[2020-09-24 16:00:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-09-24 16:00:17,048 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:17,049 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, 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 16:00:17,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-24 16:00:17,049 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:17,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:17,049 INFO L82 PathProgramCache]: Analyzing trace with hash -76751101, now seen corresponding path program 1 times
[2020-09-24 16:00:17,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:17,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463035593]
[2020-09-24 16:00:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:17,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:17,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:17,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278
[2020-09-24 16:00:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:17,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253
[2020-09-24 16:00:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-24 16:00:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:17,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:17,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:17,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:17,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:17,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:17,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:17,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:17,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:17,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:17,225 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 16:00:17,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463035593]
[2020-09-24 16:00:17,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:17,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:17,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694110221]
[2020-09-24 16:00:17,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:17,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:17,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:17,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:17,229 INFO L87 Difference]: Start difference. First operand 3803 states and 4502 transitions. Second operand 3 states.
[2020-09-24 16:00:17,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:17,450 INFO L93 Difference]: Finished difference Result 7744 states and 9274 transitions.
[2020-09-24 16:00:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:17,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269
[2020-09-24 16:00:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:17,459 INFO L225 Difference]: With dead ends: 7744
[2020-09-24 16:00:17,459 INFO L226 Difference]: Without dead ends: 4122
[2020-09-24 16:00:17,466 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 16:00:17,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4122 states.
[2020-09-24 16:00:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4122 to 4040.
[2020-09-24 16:00:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4040 states.
[2020-09-24 16:00:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 4754 transitions.
[2020-09-24 16:00:17,558 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 4754 transitions. Word has length 269
[2020-09-24 16:00:17,559 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:17,559 INFO L479 AbstractCegarLoop]: Abstraction has 4040 states and 4754 transitions.
[2020-09-24 16:00:17,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 4754 transitions.
[2020-09-24 16:00:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 16:00:17,568 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:17,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 16:00:17,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-24 16:00:17,569 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:17,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:17,570 INFO L82 PathProgramCache]: Analyzing trace with hash 360016174, now seen corresponding path program 1 times
[2020-09-24 16:00:17,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:17,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247175220]
[2020-09-24 16:00:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:17,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:17,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:17,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280
[2020-09-24 16:00:17,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248
[2020-09-24 16:00:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-24 16:00:17,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:17,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:17,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:00:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2020-09-24 16:00:17,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247175220]
[2020-09-24 16:00:17,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:17,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 16:00:17,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590286662]
[2020-09-24 16:00:17,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 16:00:17,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:17,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 16:00:17,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 16:00:17,735 INFO L87 Difference]: Start difference. First operand 4040 states and 4754 transitions. Second operand 4 states.
[2020-09-24 16:00:18,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:18,214 INFO L93 Difference]: Finished difference Result 10080 states and 11974 transitions.
[2020-09-24 16:00:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 16:00:18,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 271
[2020-09-24 16:00:18,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:18,227 INFO L225 Difference]: With dead ends: 10080
[2020-09-24 16:00:18,227 INFO L226 Difference]: Without dead ends: 6221
[2020-09-24 16:00:18,236 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 16:00:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states.
[2020-09-24 16:00:18,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 4037.
[2020-09-24 16:00:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4037 states.
[2020-09-24 16:00:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 4037 states and 4727 transitions.
[2020-09-24 16:00:18,338 INFO L78 Accepts]: Start accepts. Automaton has 4037 states and 4727 transitions. Word has length 271
[2020-09-24 16:00:18,339 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:18,339 INFO L479 AbstractCegarLoop]: Abstraction has 4037 states and 4727 transitions.
[2020-09-24 16:00:18,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 16:00:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4037 states and 4727 transitions.
[2020-09-24 16:00:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 16:00:18,356 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:18,357 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 16:00:18,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-24 16:00:18,357 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:18,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:18,358 INFO L82 PathProgramCache]: Analyzing trace with hash 663575758, now seen corresponding path program 1 times
[2020-09-24 16:00:18,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:18,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709776489]
[2020-09-24 16:00:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:18,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:18,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:18,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:18,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:18,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280
[2020-09-24 16:00:18,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:18,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:00:18,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:00:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248
[2020-09-24 16:00:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-24 16:00:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:18,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:18,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2020-09-24 16:00:18,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709776489]
[2020-09-24 16:00:18,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:18,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 16:00:18,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918492037]
[2020-09-24 16:00:18,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 16:00:18,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:18,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 16:00:18,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 16:00:18,550 INFO L87 Difference]: Start difference. First operand 4037 states and 4727 transitions. Second operand 4 states.
[2020-09-24 16:00:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:18,969 INFO L93 Difference]: Finished difference Result 8195 states and 9645 transitions.
[2020-09-24 16:00:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 16:00:18,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 271
[2020-09-24 16:00:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:18,982 INFO L225 Difference]: With dead ends: 8195
[2020-09-24 16:00:18,982 INFO L226 Difference]: Without dead ends: 6224
[2020-09-24 16:00:18,989 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 16:00:18,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states.
[2020-09-24 16:00:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 4046.
[2020-09-24 16:00:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4046 states.
[2020-09-24 16:00:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4046 states to 4046 states and 4736 transitions.
[2020-09-24 16:00:19,091 INFO L78 Accepts]: Start accepts. Automaton has 4046 states and 4736 transitions. Word has length 271
[2020-09-24 16:00:19,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:19,092 INFO L479 AbstractCegarLoop]: Abstraction has 4046 states and 4736 transitions.
[2020-09-24 16:00:19,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 16:00:19,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4736 transitions.
[2020-09-24 16:00:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2020-09-24 16:00:19,102 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:19,103 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:19,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-24 16:00:19,103 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:19,103 INFO L82 PathProgramCache]: Analyzing trace with hash 651686925, now seen corresponding path program 1 times
[2020-09-24 16:00:19,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:19,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137573907]
[2020-09-24 16:00:19,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:19,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 275
[2020-09-24 16:00:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-24 16:00:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:19,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2020-09-24 16:00:19,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137573907]
[2020-09-24 16:00:19,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:19,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:19,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607210511]
[2020-09-24 16:00:19,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:19,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:19,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:19,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:19,279 INFO L87 Difference]: Start difference. First operand 4046 states and 4736 transitions. Second operand 3 states.
[2020-09-24 16:00:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:19,581 INFO L93 Difference]: Finished difference Result 8769 states and 10517 transitions.
[2020-09-24 16:00:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:19,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291
[2020-09-24 16:00:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:19,592 INFO L225 Difference]: With dead ends: 8769
[2020-09-24 16:00:19,592 INFO L226 Difference]: Without dead ends: 4892
[2020-09-24 16:00:19,603 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 16:00:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states.
[2020-09-24 16:00:19,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4535.
[2020-09-24 16:00:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4535 states.
[2020-09-24 16:00:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 4535 states and 5312 transitions.
[2020-09-24 16:00:19,704 INFO L78 Accepts]: Start accepts. Automaton has 4535 states and 5312 transitions. Word has length 291
[2020-09-24 16:00:19,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:19,708 INFO L479 AbstractCegarLoop]: Abstraction has 4535 states and 5312 transitions.
[2020-09-24 16:00:19,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4535 states and 5312 transitions.
[2020-09-24 16:00:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2020-09-24 16:00:19,719 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:19,720 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:19,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-24 16:00:19,720 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:19,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1191914387, now seen corresponding path program 1 times
[2020-09-24 16:00:19,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:19,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835098293]
[2020-09-24 16:00:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:19,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:19,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:00:19,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233
[2020-09-24 16:00:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42
[2020-09-24 16:00:19,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:19,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:19,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:19,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:19,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:19,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:19,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:19,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-24 16:00:19,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835098293]
[2020-09-24 16:00:19,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:19,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:19,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830451002]
[2020-09-24 16:00:19,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:19,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:19,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:19,881 INFO L87 Difference]: Start difference. First operand 4535 states and 5312 transitions. Second operand 3 states.
[2020-09-24 16:00:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:20,021 INFO L93 Difference]: Finished difference Result 12355 states and 14630 transitions.
[2020-09-24 16:00:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:20,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291
[2020-09-24 16:00:20,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:20,036 INFO L225 Difference]: With dead ends: 12355
[2020-09-24 16:00:20,037 INFO L226 Difference]: Without dead ends: 8001
[2020-09-24 16:00:20,046 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 16:00:20,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states.
[2020-09-24 16:00:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 7999.
[2020-09-24 16:00:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7999 states.
[2020-09-24 16:00:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7999 states to 7999 states and 9469 transitions.
[2020-09-24 16:00:20,205 INFO L78 Accepts]: Start accepts. Automaton has 7999 states and 9469 transitions. Word has length 291
[2020-09-24 16:00:20,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:20,205 INFO L479 AbstractCegarLoop]: Abstraction has 7999 states and 9469 transitions.
[2020-09-24 16:00:20,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7999 states and 9469 transitions.
[2020-09-24 16:00:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2020-09-24 16:00:20,219 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:20,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:00:20,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2020-09-24 16:00:20,220 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:20,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:20,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2093654891, now seen corresponding path program 1 times
[2020-09-24 16:00:20,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:20,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40316181]
[2020-09-24 16:00:20,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:20,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:20,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:20,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302
[2020-09-24 16:00:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:20,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231
[2020-09-24 16:00:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70
[2020-09-24 16:00:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:20,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:20,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:20,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:20,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:20,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:20,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:20,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:20,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:20,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2020-09-24 16:00:20,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40316181]
[2020-09-24 16:00:20,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:20,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:20,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081771877]
[2020-09-24 16:00:20,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:20,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:20,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:20,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:20,397 INFO L87 Difference]: Start difference. First operand 7999 states and 9469 transitions. Second operand 3 states.
[2020-09-24 16:00:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:20,617 INFO L93 Difference]: Finished difference Result 15817 states and 18790 transitions.
[2020-09-24 16:00:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:20,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293
[2020-09-24 16:00:20,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:20,644 INFO L225 Difference]: With dead ends: 15817
[2020-09-24 16:00:20,644 INFO L226 Difference]: Without dead ends: 10591
[2020-09-24 16:00:20,658 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 16:00:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10591 states.
[2020-09-24 16:00:20,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10591 to 10591.
[2020-09-24 16:00:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10591 states.
[2020-09-24 16:00:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 12549 transitions.
[2020-09-24 16:00:20,875 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 12549 transitions. Word has length 293
[2020-09-24 16:00:20,876 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:20,876 INFO L479 AbstractCegarLoop]: Abstraction has 10591 states and 12549 transitions.
[2020-09-24 16:00:20,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 12549 transitions.
[2020-09-24 16:00:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299
[2020-09-24 16:00:20,890 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:20,890 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, 1, 1, 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 16:00:20,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2020-09-24 16:00:20,891 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:20,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:20,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1985620780, now seen corresponding path program 1 times
[2020-09-24 16:00:20,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:20,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775428589]
[2020-09-24 16:00:20,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:20,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:20,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:20,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:20,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:00:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256
[2020-09-24 16:00:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-24 16:00:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:00:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:00:20,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:00:20,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:00:20,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:00:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:00:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:00:21,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:00:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:00:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:00:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:00:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:00:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:00:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:00:21,151 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 16:00:21,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775428589]
[2020-09-24 16:00:21,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:00:21,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:00:21,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359656166]
[2020-09-24 16:00:21,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:00:21,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:00:21,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:00:21,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:00:21,154 INFO L87 Difference]: Start difference. First operand 10591 states and 12549 transitions. Second operand 3 states.
[2020-09-24 16:00:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:00:21,350 INFO L93 Difference]: Finished difference Result 19823 states and 23532 transitions.
[2020-09-24 16:00:21,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:00:21,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298
[2020-09-24 16:00:21,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:00:21,373 INFO L225 Difference]: With dead ends: 19823
[2020-09-24 16:00:21,373 INFO L226 Difference]: Without dead ends: 12005
[2020-09-24 16:00:21,388 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 16:00:21,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12005 states.
[2020-09-24 16:00:21,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12005 to 12005.
[2020-09-24 16:00:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12005 states.
[2020-09-24 16:00:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12005 states to 12005 states and 14207 transitions.
[2020-09-24 16:00:21,631 INFO L78 Accepts]: Start accepts. Automaton has 12005 states and 14207 transitions. Word has length 298
[2020-09-24 16:00:21,632 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:00:21,632 INFO L479 AbstractCegarLoop]: Abstraction has 12005 states and 14207 transitions.
[2020-09-24 16:00:21,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:00:21,632 INFO L276 IsEmpty]: Start isEmpty. Operand 12005 states and 14207 transitions.
[2020-09-24 16:00:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300
[2020-09-24 16:00:21,654 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:00:21,654 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, 1, 1, 1, 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 16:00:21,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2020-09-24 16:00:21,655 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:00:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:00:21,656 INFO L82 PathProgramCache]: Analyzing trace with hash -638739787, now seen corresponding path program 1 times
[2020-09-24 16:00:21,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:00:21,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680930744]
[2020-09-24 16:00:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:00:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 16:00:21,743 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 16:00:21,743 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 16:00:21,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2020-09-24 16:00:21,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:00:21 BoogieIcfgContainer
[2020-09-24 16:00:21,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:00:21,797 INFO L168 Benchmark]: Toolchain (without parser) took 15377.54 ms. Allocated memory was 148.4 MB in the beginning and 718.3 MB in the end (delta: 569.9 MB). Free memory was 102.2 MB in the beginning and 395.4 MB in the end (delta: -293.2 MB). Peak memory consumption was 276.7 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,797 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.15 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 180.6 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,799 INFO L168 Benchmark]: Boogie Preprocessor took 85.14 ms. Allocated memory is still 205.5 MB. Free memory was 180.6 MB in the beginning and 177.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,802 INFO L168 Benchmark]: RCFGBuilder took 1074.51 ms. Allocated memory is still 205.5 MB. Free memory was 177.6 MB in the beginning and 109.6 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,803 INFO L168 Benchmark]: TraceAbstraction took 13640.01 ms. Allocated memory was 205.5 MB in the beginning and 718.3 MB in the end (delta: 512.8 MB). Free memory was 109.6 MB in the beginning and 395.4 MB in the end (delta: -285.7 MB). Peak memory consumption was 227.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:00:21,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 569.15 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 180.6 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 85.14 ms. Allocated memory is still 205.5 MB. Free memory was 180.6 MB in the beginning and 177.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1074.51 ms. Allocated memory is still 205.5 MB. Free memory was 177.6 MB in the beginning and 109.6 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 13640.01 ms. Allocated memory was 205.5 MB in the beginning and 718.3 MB in the end (delta: 512.8 MB). Free memory was 109.6 MB in the beginning and 395.4 MB in the end (delta: -285.7 MB). Peak memory consumption was 227.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L578] int s ;
[L582] s = 12292
[L583] CALL ssl3_connect(s)
[L12] int s__info_callback = __VERIFIER_nondet_int() ;
[L13] int s__in_handshake = __VERIFIER_nondet_int() ;
[L14] int s__state ;
[L15] int s__new_session ;
[L16] int s__server ;
[L17] int s__version = __VERIFIER_nondet_int() ;
[L18] int s__type ;
[L19] int s__init_num ;
[L20] int s__bbio = __VERIFIER_nondet_int() ;
[L21] int s__wbio = __VERIFIER_nondet_int() ;
[L22] int s__hit = __VERIFIER_nondet_int() ;
[L23] int s__rwstate ;
[L24] int s__init_buf___0 = __VERIFIER_nondet_int() ;
[L25] int s__debug = __VERIFIER_nondet_int() ;
[L26] int s__shutdown ;
[L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ;
[L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ;
[L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ;
[L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ;
[L32] int s__s3__change_cipher_spec ;
[L33] int s__s3__flags = __VERIFIER_nondet_int() ;
[L34] int s__s3__delay_buf_pop_ret ;
[L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ;
[L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ;
[L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L40] int s__s3__tmp__next_state___0 ;
[L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ;
[L42] int s__session__cipher ;
[L43] int s__session__compress_meth ;
[L44] int buf ;
[L45] unsigned long tmp ;
[L46] unsigned long l ;
[L47] int num1 = __VERIFIER_nondet_int() ;
[L48] int cb ;
[L49] int ret ;
[L50] int new_state ;
[L51] int state ;
[L52] int skip ;
[L53] int tmp___0 ;
[L54] int tmp___1 = __VERIFIER_nondet_int() ;
[L55] int tmp___2 = __VERIFIER_nondet_int() ;
[L56] int tmp___3 = __VERIFIER_nondet_int() ;
[L57] int tmp___4 = __VERIFIER_nondet_int() ;
[L58] int tmp___5 = __VERIFIER_nondet_int() ;
[L59] int tmp___6 = __VERIFIER_nondet_int() ;
[L60] int tmp___7 = __VERIFIER_nondet_int() ;
[L61] int tmp___8 = __VERIFIER_nondet_int() ;
[L62] int tmp___9 = __VERIFIER_nondet_int() ;
[L63] int blastFlag ;
[L64] int __cil_tmp55 ;
[L65] void *__cil_tmp56 ;
[L66] unsigned long __cil_tmp57 ;
[L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ;
[L68] void *__cil_tmp59 ;
[L69] unsigned long __cil_tmp60 ;
[L70] unsigned long __cil_tmp61 ;
[L71] unsigned long __cil_tmp62 ;
[L72] unsigned long __cil_tmp63 ;
[L73] unsigned long __cil_tmp64 ;
[L74] long __cil_tmp65 = __VERIFIER_nondet_long() ;
[L75] long __cil_tmp66 ;
[L76] long __cil_tmp67 ;
[L77] long __cil_tmp68 ;
[L78] long __cil_tmp69 ;
[L79] long __cil_tmp70 = __VERIFIER_nondet_long() ;
[L80] long __cil_tmp71 ;
[L81] long __cil_tmp72 ;
[L82] long __cil_tmp73 ;
[L83] long __cil_tmp74 ;
[L87] s__state = initial_state
[L88] blastFlag = 0
[L89] tmp = __VERIFIER_nondet_int()
[L90] cb = 0
[L91] ret = -1
[L92] skip = 0
[L93] tmp___0 = 0
[L94] COND TRUE s__info_callback != 0
[L95] cb = s__info_callback
[L101] s__in_handshake ++
[L102] COND FALSE !(tmp___1 + 12288)
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND TRUE s__state == 12292
[L213] s__new_session = 1
[L214] s__state = 4096
[L215] s__ctx__stats__sess_connect_renegotiate ++
[L220] s__server = 0
[L221] COND TRUE cb != 0
[L225] __cil_tmp55 = s__version + 65280
[L226] COND FALSE !(__cil_tmp55 != 768)
[L231] s__type = 4096
[L233] __cil_tmp56 = (void *)0
[L234] __cil_tmp57 = (unsigned long )__cil_tmp56
[L235] __cil_tmp58 = (unsigned long )s__init_buf___0
[L236] COND FALSE !(__cil_tmp58 == __cil_tmp57)
[L254] COND FALSE !(! tmp___4)
[L258] COND FALSE !(! tmp___5)
[L262] s__state = 4368
[L263] s__ctx__stats__sess_connect ++
[L264] s__init_num = 0
[L545] COND FALSE !(! s__s3__tmp__reuse_message)
[L562] skip = 0
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND FALSE !(s__state == 12292)
[L114] COND FALSE !(s__state == 16384)
[L117] COND FALSE !(s__state == 4096)
[L120] COND FALSE !(s__state == 20480)
[L123] COND FALSE !(s__state == 4099)
[L126] COND TRUE s__state == 4368
[L268] s__shutdown = 0
[L269] ret = __VERIFIER_nondet_int()
[L270] COND TRUE blastFlag == 0
[L271] blastFlag = 1
[L273] COND FALSE !(ret <= 0)
[L276] s__state = 4384
[L277] s__init_num = 0
[L279] __cil_tmp62 = (unsigned long )s__wbio
[L280] __cil_tmp63 = (unsigned long )s__bbio
[L281] COND TRUE __cil_tmp63 != __cil_tmp62
[L545] COND FALSE !(! s__s3__tmp__reuse_message)
[L562] skip = 0
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND FALSE !(s__state == 12292)
[L114] COND FALSE !(s__state == 16384)
[L117] COND FALSE !(s__state == 4096)
[L120] COND FALSE !(s__state == 20480)
[L123] COND FALSE !(s__state == 4099)
[L126] COND FALSE !(s__state == 4368)
[L129] COND FALSE !(s__state == 4369)
[L132] COND TRUE s__state == 4384
[L288] ret = __VERIFIER_nondet_int()
[L289] COND TRUE blastFlag == 1
[L290] blastFlag = 2
[L296] COND FALSE !(ret <= 0)
[L299] COND FALSE !(\read(s__hit))
[L302] s__state = 4400
[L304] s__init_num = 0
[L545] COND FALSE !(! s__s3__tmp__reuse_message)
[L562] skip = 0
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND FALSE !(s__state == 12292)
[L114] COND FALSE !(s__state == 16384)
[L117] COND FALSE !(s__state == 4096)
[L120] COND FALSE !(s__state == 20480)
[L123] COND FALSE !(s__state == 4099)
[L126] COND FALSE !(s__state == 4368)
[L129] COND FALSE !(s__state == 4369)
[L132] COND FALSE !(s__state == 4384)
[L135] COND FALSE !(s__state == 4385)
[L138] COND TRUE s__state == 4400
[L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms
[L310] COND FALSE !(__cil_tmp64 + 256UL)
[L313] ret = __VERIFIER_nondet_int()
[L314] COND TRUE blastFlag == 2
[L315] blastFlag = 3
[L317] COND FALSE !(ret <= 0)
[L322] s__state = 4416
[L323] s__init_num = 0
[L545] COND FALSE !(! s__s3__tmp__reuse_message)
[L562] skip = 0
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND FALSE !(s__state == 12292)
[L114] COND FALSE !(s__state == 16384)
[L117] COND FALSE !(s__state == 4096)
[L120] COND FALSE !(s__state == 20480)
[L123] COND FALSE !(s__state == 4099)
[L126] COND FALSE !(s__state == 4368)
[L129] COND FALSE !(s__state == 4369)
[L132] COND FALSE !(s__state == 4384)
[L135] COND FALSE !(s__state == 4385)
[L138] COND FALSE !(s__state == 4400)
[L141] COND FALSE !(s__state == 4401)
[L144] COND TRUE s__state == 4416
[L327] ret = __VERIFIER_nondet_int()
[L328] COND TRUE blastFlag == 3
[L329] blastFlag = 4
[L331] COND FALSE !(ret <= 0)
[L334] s__state = 4432
[L335] s__init_num = 0
[L336] COND FALSE !(! tmp___6)
[L545] COND FALSE !(! s__s3__tmp__reuse_message)
[L562] skip = 0
[L108] COND TRUE 1
[L110] state = s__state
[L111] COND FALSE !(s__state == 12292)
[L114] COND FALSE !(s__state == 16384)
[L117] COND FALSE !(s__state == 4096)
[L120] COND FALSE !(s__state == 20480)
[L123] COND FALSE !(s__state == 4099)
[L126] COND FALSE !(s__state == 4368)
[L129] COND FALSE !(s__state == 4369)
[L132] COND FALSE !(s__state == 4384)
[L135] COND FALSE !(s__state == 4385)
[L138] COND FALSE !(s__state == 4400)
[L141] COND FALSE !(s__state == 4401)
[L144] COND FALSE !(s__state == 4416)
[L147] COND FALSE !(s__state == 4417)
[L150] COND TRUE s__state == 4432
[L343] ret = __VERIFIER_nondet_int()
[L344] COND TRUE blastFlag == 4
[L573] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.5s, OverallIterations: 23, TraceHistogramMax: 6, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10911 SDtfs, 6056 SDslu, 11179 SDs, 0 SdLazy, 2350 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12005occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 7303 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 5810 NumberOfCodeBlocks, 5810 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5489 ConstructedInterpolants, 0 QuantifiedInterpolants, 1846335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 1008/1008 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...