/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
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This is Ultimate 0.1.25-c90d42b
[2020-09-24 14:57:30,706 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 14:57:30,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 14:57:30,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 14:57:30,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 14:57:30,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 14:57:30,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 14:57:30,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 14:57:30,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 14:57:30,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 14:57:30,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 14:57:30,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 14:57:30,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 14:57:30,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 14:57:30,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 14:57:30,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 14:57:30,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 14:57:30,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 14:57:30,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 14:57:30,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 14:57:30,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 14:57:30,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 14:57:30,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 14:57:30,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 14:57:30,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 14:57:30,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 14:57:30,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 14:57:30,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 14:57:30,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 14:57:30,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 14:57:30,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 14:57:30,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 14:57:30,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 14:57:30,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 14:57:30,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 14:57:30,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 14:57:30,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-24 14:57:30,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-24 14:57:30,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 14:57:30,804 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 14:57:30,839 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 14:57:30,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 14:57:30,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 14:57:30,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 14:57:30,841 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 14:57:30,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 14:57:30,841 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 14:57:30,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 14:57:30,842 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 14:57:30,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 14:57:30,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 14:57:30,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 14:57:30,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 14:57:30,843 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 14:57:30,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 14:57:30,843 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 14:57:30,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 14:57:30,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 14:57:30,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 14:57:30,844 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 14:57:30,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 14:57:30,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 14:57:30,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 14:57:30,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 14:57:30,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 14:57:30,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 14:57:30,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 14:57:30,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 14:57:30,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 14:57:30,846 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 -> false
[2020-09-24 14:57:31,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 14:57:31,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 14:57:31,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 14:57:31,356 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 14:57:31,357 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 14:57:31,358 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
[2020-09-24 14:57:31,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c40b29c6/6ac7648abec240e090614a4d379ddb42/FLAGe07bd7a33
[2020-09-24 14:57:32,019 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 14:57:32,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
[2020-09-24 14:57:32,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c40b29c6/6ac7648abec240e090614a4d379ddb42/FLAGe07bd7a33
[2020-09-24 14:57:32,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c40b29c6/6ac7648abec240e090614a4d379ddb42
[2020-09-24 14:57:32,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 14:57:32,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 14:57:32,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 14:57:32,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 14:57:32,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 14:57:32,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623015b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32, skipping insertion in model container
[2020-09-24 14:57:32,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 14:57:32,416 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 14:57:32,690 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:57:32,696 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 14:57:32,861 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:57:32,883 INFO L208 MainTranslator]: Completed translation
[2020-09-24 14:57:32,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32 WrapperNode
[2020-09-24 14:57:32,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 14:57:32,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 14:57:32,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 14:57:32,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 14:57:32,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (1/1) ...
[2020-09-24 14:57:32,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 14:57:32,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 14:57:32,946 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 14:57:32,946 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 14:57:32,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (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 14:57:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 14:57:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 14:57:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect
[2020-09-24 14:57:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 14:57:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 14:57:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-24 14:57:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 14:57:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-24 14:57:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect
[2020-09-24 14:57:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 14:57:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 14:57:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 14:57:33,254 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-09-24 14:57:33,878 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-09-24 14:57:33,879 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-09-24 14:57:33,904 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 14:57:33,904 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 14:57:33,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:57:33 BoogieIcfgContainer
[2020-09-24 14:57:33,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 14:57:33,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 14:57:33,913 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 14:57:33,917 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 14:57:33,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:57:32" (1/3) ...
[2020-09-24 14:57:33,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdfabc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:57:33, skipping insertion in model container
[2020-09-24 14:57:33,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:57:32" (2/3) ...
[2020-09-24 14:57:33,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdfabc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:57:33, skipping insertion in model container
[2020-09-24 14:57:33,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:57:33" (3/3) ...
[2020-09-24 14:57:33,921 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c
[2020-09-24 14:57:33,933 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 14:57:33,944 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 14:57:33,966 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 14:57:34,000 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 14:57:34,000 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 14:57:34,001 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 14:57:34,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 14:57:34,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 14:57:34,001 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 14:57:34,001 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 14:57:34,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 14:57:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states.
[2020-09-24 14:57:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-24 14:57:34,050 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:34,052 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]
[2020-09-24 14:57:34,052 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:34,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:34,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1688119681, now seen corresponding path program 1 times
[2020-09-24 14:57:34,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:34,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058229621]
[2020-09-24 14:57:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:34,632 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 14:57:34,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058229621]
[2020-09-24 14:57:34,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:34,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 14:57:34,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304581919]
[2020-09-24 14:57:34,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 14:57:34,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:34,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 14:57:34,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 14:57:34,664 INFO L87 Difference]: Start difference. First operand 385 states. Second operand 6 states.
[2020-09-24 14:57:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:35,036 INFO L93 Difference]: Finished difference Result 689 states and 904 transitions.
[2020-09-24 14:57:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 14:57:35,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161
[2020-09-24 14:57:35,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:35,059 INFO L225 Difference]: With dead ends: 689
[2020-09-24 14:57:35,059 INFO L226 Difference]: Without dead ends: 364
[2020-09-24 14:57:35,065 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 14:57:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states.
[2020-09-24 14:57:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 349.
[2020-09-24 14:57:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states.
[2020-09-24 14:57:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 408 transitions.
[2020-09-24 14:57:35,144 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 408 transitions. Word has length 161
[2020-09-24 14:57:35,146 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:35,146 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 408 transitions.
[2020-09-24 14:57:35,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 14:57:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 408 transitions.
[2020-09-24 14:57:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2020-09-24 14:57:35,153 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:35,154 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]
[2020-09-24 14:57:35,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 14:57:35,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:35,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:35,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1044760098, now seen corresponding path program 1 times
[2020-09-24 14:57:35,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:35,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366862355]
[2020-09-24 14:57:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:35,381 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 14:57:35,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366862355]
[2020-09-24 14:57:35,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:35,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 14:57:35,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608540698]
[2020-09-24 14:57:35,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 14:57:35,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:35,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 14:57:35,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 14:57:35,389 INFO L87 Difference]: Start difference. First operand 349 states and 408 transitions. Second operand 6 states.
[2020-09-24 14:57:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:35,742 INFO L93 Difference]: Finished difference Result 610 states and 760 transitions.
[2020-09-24 14:57:35,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 14:57:35,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180
[2020-09-24 14:57:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:35,752 INFO L225 Difference]: With dead ends: 610
[2020-09-24 14:57:35,752 INFO L226 Difference]: Without dead ends: 407
[2020-09-24 14:57:35,755 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 14:57:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states.
[2020-09-24 14:57:35,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 362.
[2020-09-24 14:57:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states.
[2020-09-24 14:57:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 426 transitions.
[2020-09-24 14:57:35,781 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 426 transitions. Word has length 180
[2020-09-24 14:57:35,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:35,782 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 426 transitions.
[2020-09-24 14:57:35,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 14:57:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 426 transitions.
[2020-09-24 14:57:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2020-09-24 14:57:35,785 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:35,785 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]
[2020-09-24 14:57:35,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 14:57:35,786 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:35,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:35,786 INFO L82 PathProgramCache]: Analyzing trace with hash -975331194, now seen corresponding path program 1 times
[2020-09-24 14:57:35,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:35,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336024968]
[2020-09-24 14:57:35,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:35,947 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 14:57:35,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336024968]
[2020-09-24 14:57:35,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:35,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:35,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738366285]
[2020-09-24 14:57:35,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:35,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:35,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:35,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:35,950 INFO L87 Difference]: Start difference. First operand 362 states and 426 transitions. Second operand 3 states.
[2020-09-24 14:57:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:36,130 INFO L93 Difference]: Finished difference Result 608 states and 743 transitions.
[2020-09-24 14:57:36,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:36,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184
[2020-09-24 14:57:36,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:36,139 INFO L225 Difference]: With dead ends: 608
[2020-09-24 14:57:36,139 INFO L226 Difference]: Without dead ends: 392
[2020-09-24 14:57:36,141 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 14:57:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2020-09-24 14:57:36,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 380.
[2020-09-24 14:57:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states.
[2020-09-24 14:57:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 449 transitions.
[2020-09-24 14:57:36,184 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 449 transitions. Word has length 184
[2020-09-24 14:57:36,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:36,186 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 449 transitions.
[2020-09-24 14:57:36,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 449 transitions.
[2020-09-24 14:57:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-09-24 14:57:36,194 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:36,195 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]
[2020-09-24 14:57:36,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 14:57:36,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 103747241, now seen corresponding path program 1 times
[2020-09-24 14:57:36,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:36,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159436355]
[2020-09-24 14:57:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:36,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:36,410 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 14:57:36,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159436355]
[2020-09-24 14:57:36,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:36,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:36,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868219573]
[2020-09-24 14:57:36,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:36,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:36,415 INFO L87 Difference]: Start difference. First operand 380 states and 449 transitions. Second operand 3 states.
[2020-09-24 14:57:36,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:36,511 INFO L93 Difference]: Finished difference Result 841 states and 1041 transitions.
[2020-09-24 14:57:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:36,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-09-24 14:57:36,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:36,517 INFO L225 Difference]: With dead ends: 841
[2020-09-24 14:57:36,518 INFO L226 Difference]: Without dead ends: 607
[2020-09-24 14:57:36,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states.
[2020-09-24 14:57:36,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607.
[2020-09-24 14:57:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states.
[2020-09-24 14:57:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 737 transitions.
[2020-09-24 14:57:36,554 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 737 transitions. Word has length 191
[2020-09-24 14:57:36,555 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:36,555 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 737 transitions.
[2020-09-24 14:57:36,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:36,556 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 737 transitions.
[2020-09-24 14:57:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-09-24 14:57:36,562 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:36,562 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]
[2020-09-24 14:57:36,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 14:57:36,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:36,564 INFO L82 PathProgramCache]: Analyzing trace with hash -574346418, now seen corresponding path program 1 times
[2020-09-24 14:57:36,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:36,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370085061]
[2020-09-24 14:57:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:36,757 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 14:57:36,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370085061]
[2020-09-24 14:57:36,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:36,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:36,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907045838]
[2020-09-24 14:57:36,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:36,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:36,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:36,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:36,761 INFO L87 Difference]: Start difference. First operand 607 states and 737 transitions. Second operand 3 states.
[2020-09-24 14:57:36,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:36,968 INFO L93 Difference]: Finished difference Result 1129 states and 1410 transitions.
[2020-09-24 14:57:36,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:36,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204
[2020-09-24 14:57:36,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:36,975 INFO L225 Difference]: With dead ends: 1129
[2020-09-24 14:57:36,975 INFO L226 Difference]: Without dead ends: 668
[2020-09-24 14:57:36,977 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 14:57:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states.
[2020-09-24 14:57:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 647.
[2020-09-24 14:57:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states.
[2020-09-24 14:57:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 787 transitions.
[2020-09-24 14:57:37,011 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 787 transitions. Word has length 204
[2020-09-24 14:57:37,011 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:37,012 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 787 transitions.
[2020-09-24 14:57:37,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 787 transitions.
[2020-09-24 14:57:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2020-09-24 14:57:37,016 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:37,016 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]
[2020-09-24 14:57:37,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 14:57:37,017 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:37,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:37,017 INFO L82 PathProgramCache]: Analyzing trace with hash -375106847, now seen corresponding path program 1 times
[2020-09-24 14:57:37,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409085113]
[2020-09-24 14:57:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,192 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 14:57:37,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409085113]
[2020-09-24 14:57:37,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:37,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:37,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690496077]
[2020-09-24 14:57:37,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:37,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:37,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:37,203 INFO L87 Difference]: Start difference. First operand 647 states and 787 transitions. Second operand 3 states.
[2020-09-24 14:57:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:37,254 INFO L93 Difference]: Finished difference Result 1579 states and 1959 transitions.
[2020-09-24 14:57:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:37,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211
[2020-09-24 14:57:37,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:37,266 INFO L225 Difference]: With dead ends: 1579
[2020-09-24 14:57:37,266 INFO L226 Difference]: Without dead ends: 1078
[2020-09-24 14:57:37,269 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 14:57:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states.
[2020-09-24 14:57:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1076.
[2020-09-24 14:57:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states.
[2020-09-24 14:57:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1313 transitions.
[2020-09-24 14:57:37,337 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1313 transitions. Word has length 211
[2020-09-24 14:57:37,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:37,338 INFO L479 AbstractCegarLoop]: Abstraction has 1076 states and 1313 transitions.
[2020-09-24 14:57:37,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1313 transitions.
[2020-09-24 14:57:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2020-09-24 14:57:37,346 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:37,347 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]
[2020-09-24 14:57:37,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 14:57:37,348 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:37,349 INFO L82 PathProgramCache]: Analyzing trace with hash 743106501, now seen corresponding path program 1 times
[2020-09-24 14:57:37,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320663421]
[2020-09-24 14:57:37,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,550 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 14:57:37,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320663421]
[2020-09-24 14:57:37,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:37,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:37,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861011057]
[2020-09-24 14:57:37,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:37,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:37,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:37,554 INFO L87 Difference]: Start difference. First operand 1076 states and 1313 transitions. Second operand 3 states.
[2020-09-24 14:57:37,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:37,605 INFO L93 Difference]: Finished difference Result 2024 states and 2498 transitions.
[2020-09-24 14:57:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:37,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212
[2020-09-24 14:57:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:37,614 INFO L225 Difference]: With dead ends: 2024
[2020-09-24 14:57:37,614 INFO L226 Difference]: Without dead ends: 1094
[2020-09-24 14:57:37,618 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 14:57:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states.
[2020-09-24 14:57:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1084.
[2020-09-24 14:57:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states.
[2020-09-24 14:57:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1317 transitions.
[2020-09-24 14:57:37,677 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1317 transitions. Word has length 212
[2020-09-24 14:57:37,678 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:37,678 INFO L479 AbstractCegarLoop]: Abstraction has 1084 states and 1317 transitions.
[2020-09-24 14:57:37,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1317 transitions.
[2020-09-24 14:57:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-09-24 14:57:37,686 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:37,686 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]
[2020-09-24 14:57:37,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 14:57:37,687 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:37,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:37,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1288323979, now seen corresponding path program 1 times
[2020-09-24 14:57:37,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338522537]
[2020-09-24 14:57:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:37,866 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 14:57:37,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338522537]
[2020-09-24 14:57:37,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:37,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:37,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321736652]
[2020-09-24 14:57:37,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:37,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:37,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:37,869 INFO L87 Difference]: Start difference. First operand 1084 states and 1317 transitions. Second operand 3 states.
[2020-09-24 14:57:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:37,981 INFO L93 Difference]: Finished difference Result 2946 states and 3629 transitions.
[2020-09-24 14:57:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:37,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-09-24 14:57:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:37,994 INFO L225 Difference]: With dead ends: 2946
[2020-09-24 14:57:37,994 INFO L226 Difference]: Without dead ends: 2008
[2020-09-24 14:57:37,997 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 14:57:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states.
[2020-09-24 14:57:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2006.
[2020-09-24 14:57:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2006 states.
[2020-09-24 14:57:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2449 transitions.
[2020-09-24 14:57:38,059 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2449 transitions. Word has length 214
[2020-09-24 14:57:38,060 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:38,060 INFO L479 AbstractCegarLoop]: Abstraction has 2006 states and 2449 transitions.
[2020-09-24 14:57:38,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2449 transitions.
[2020-09-24 14:57:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-09-24 14:57:38,065 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:38,065 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]
[2020-09-24 14:57:38,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 14:57:38,066 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:38,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1320463479, now seen corresponding path program 1 times
[2020-09-24 14:57:38,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077758431]
[2020-09-24 14:57:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,168 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 14:57:38,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077758431]
[2020-09-24 14:57:38,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:38,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:38,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042230410]
[2020-09-24 14:57:38,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:38,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:38,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:38,175 INFO L87 Difference]: Start difference. First operand 2006 states and 2449 transitions. Second operand 3 states.
[2020-09-24 14:57:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:38,232 INFO L93 Difference]: Finished difference Result 2961 states and 3623 transitions.
[2020-09-24 14:57:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:38,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-09-24 14:57:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:38,245 INFO L225 Difference]: With dead ends: 2961
[2020-09-24 14:57:38,248 INFO L226 Difference]: Without dead ends: 2023
[2020-09-24 14:57:38,251 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 14:57:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states.
[2020-09-24 14:57:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2021.
[2020-09-24 14:57:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states.
[2020-09-24 14:57:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2455 transitions.
[2020-09-24 14:57:38,334 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2455 transitions. Word has length 214
[2020-09-24 14:57:38,335 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:38,335 INFO L479 AbstractCegarLoop]: Abstraction has 2021 states and 2455 transitions.
[2020-09-24 14:57:38,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2455 transitions.
[2020-09-24 14:57:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2020-09-24 14:57:38,343 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:38,343 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]
[2020-09-24 14:57:38,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 14:57:38,344 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:38,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:38,344 INFO L82 PathProgramCache]: Analyzing trace with hash -955395695, now seen corresponding path program 1 times
[2020-09-24 14:57:38,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288672616]
[2020-09-24 14:57:38,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,459 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 14:57:38,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288672616]
[2020-09-24 14:57:38,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:38,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:38,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881131183]
[2020-09-24 14:57:38,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:38,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:38,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:38,462 INFO L87 Difference]: Start difference. First operand 2021 states and 2455 transitions. Second operand 3 states.
[2020-09-24 14:57:38,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:38,579 INFO L93 Difference]: Finished difference Result 3881 states and 4762 transitions.
[2020-09-24 14:57:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:38,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215
[2020-09-24 14:57:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:38,593 INFO L225 Difference]: With dead ends: 3881
[2020-09-24 14:57:38,593 INFO L226 Difference]: Without dead ends: 2940
[2020-09-24 14:57:38,596 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 14:57:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states.
[2020-09-24 14:57:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2940.
[2020-09-24 14:57:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2940 states.
[2020-09-24 14:57:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3582 transitions.
[2020-09-24 14:57:38,727 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3582 transitions. Word has length 215
[2020-09-24 14:57:38,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:38,727 INFO L479 AbstractCegarLoop]: Abstraction has 2940 states and 3582 transitions.
[2020-09-24 14:57:38,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:38,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3582 transitions.
[2020-09-24 14:57:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226
[2020-09-24 14:57:38,734 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:38,734 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]
[2020-09-24 14:57:38,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 14:57:38,735 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:38,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2117708685, now seen corresponding path program 1 times
[2020-09-24 14:57:38,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425791750]
[2020-09-24 14:57:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:38,888 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 14:57:38,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425791750]
[2020-09-24 14:57:38,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:38,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:38,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629531726]
[2020-09-24 14:57:38,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:38,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:38,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:38,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:38,892 INFO L87 Difference]: Start difference. First operand 2940 states and 3582 transitions. Second operand 3 states.
[2020-09-24 14:57:39,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:39,176 INFO L93 Difference]: Finished difference Result 6394 states and 8046 transitions.
[2020-09-24 14:57:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:39,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225
[2020-09-24 14:57:39,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:39,195 INFO L225 Difference]: With dead ends: 6394
[2020-09-24 14:57:39,195 INFO L226 Difference]: Without dead ends: 3603
[2020-09-24 14:57:39,201 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 14:57:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states.
[2020-09-24 14:57:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3417.
[2020-09-24 14:57:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3417 states.
[2020-09-24 14:57:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4098 transitions.
[2020-09-24 14:57:39,363 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4098 transitions. Word has length 225
[2020-09-24 14:57:39,364 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:39,364 INFO L479 AbstractCegarLoop]: Abstraction has 3417 states and 4098 transitions.
[2020-09-24 14:57:39,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4098 transitions.
[2020-09-24 14:57:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226
[2020-09-24 14:57:39,373 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:39,373 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]
[2020-09-24 14:57:39,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-24 14:57:39,374 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:39,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:39,374 INFO L82 PathProgramCache]: Analyzing trace with hash 333657299, now seen corresponding path program 1 times
[2020-09-24 14:57:39,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:39,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284834216]
[2020-09-24 14:57:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:39,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:39,496 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 14:57:39,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284834216]
[2020-09-24 14:57:39,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:39,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:39,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783235287]
[2020-09-24 14:57:39,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:39,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:39,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:39,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:39,499 INFO L87 Difference]: Start difference. First operand 3417 states and 4098 transitions. Second operand 3 states.
[2020-09-24 14:57:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:39,709 INFO L93 Difference]: Finished difference Result 7010 states and 8492 transitions.
[2020-09-24 14:57:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:39,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225
[2020-09-24 14:57:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:39,727 INFO L225 Difference]: With dead ends: 7010
[2020-09-24 14:57:39,728 INFO L226 Difference]: Without dead ends: 3754
[2020-09-24 14:57:39,734 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 14:57:39,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states.
[2020-09-24 14:57:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3630.
[2020-09-24 14:57:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3630 states.
[2020-09-24 14:57:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3630 states and 4326 transitions.
[2020-09-24 14:57:39,876 INFO L78 Accepts]: Start accepts. Automaton has 3630 states and 4326 transitions. Word has length 225
[2020-09-24 14:57:39,877 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:39,877 INFO L479 AbstractCegarLoop]: Abstraction has 3630 states and 4326 transitions.
[2020-09-24 14:57:39,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:39,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4326 transitions.
[2020-09-24 14:57:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2020-09-24 14:57:39,892 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:39,892 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]
[2020-09-24 14:57:39,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-24 14:57:39,893 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:39,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:39,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2067308732, now seen corresponding path program 1 times
[2020-09-24 14:57:39,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:39,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910542471]
[2020-09-24 14:57:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:39,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-24 14:57:40,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910542471]
[2020-09-24 14:57:40,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:40,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:40,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786503059]
[2020-09-24 14:57:40,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:40,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:40,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:40,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:40,076 INFO L87 Difference]: Start difference. First operand 3630 states and 4326 transitions. Second operand 3 states.
[2020-09-24 14:57:40,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:40,344 INFO L93 Difference]: Finished difference Result 7099 states and 8504 transitions.
[2020-09-24 14:57:40,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:40,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240
[2020-09-24 14:57:40,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:40,376 INFO L225 Difference]: With dead ends: 7099
[2020-09-24 14:57:40,377 INFO L226 Difference]: Without dead ends: 4779
[2020-09-24 14:57:40,385 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 14:57:40,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4779 states.
[2020-09-24 14:57:40,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4779 to 4779.
[2020-09-24 14:57:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4779 states.
[2020-09-24 14:57:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 5705 transitions.
[2020-09-24 14:57:40,597 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 5705 transitions. Word has length 240
[2020-09-24 14:57:40,597 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:40,597 INFO L479 AbstractCegarLoop]: Abstraction has 4779 states and 5705 transitions.
[2020-09-24 14:57:40,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 5705 transitions.
[2020-09-24 14:57:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2020-09-24 14:57:40,614 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:40,615 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]
[2020-09-24 14:57:40,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-24 14:57:40,615 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:40,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:40,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1266606843, now seen corresponding path program 1 times
[2020-09-24 14:57:40,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:40,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688981216]
[2020-09-24 14:57:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:40,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:40,774 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 14:57:40,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688981216]
[2020-09-24 14:57:40,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:40,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:40,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261838251]
[2020-09-24 14:57:40,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:40,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:40,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:40,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:40,778 INFO L87 Difference]: Start difference. First operand 4779 states and 5705 transitions. Second operand 3 states.
[2020-09-24 14:57:41,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:41,106 INFO L93 Difference]: Finished difference Result 9821 states and 11850 transitions.
[2020-09-24 14:57:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:41,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249
[2020-09-24 14:57:41,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:41,132 INFO L225 Difference]: With dead ends: 9821
[2020-09-24 14:57:41,132 INFO L226 Difference]: Without dead ends: 5203
[2020-09-24 14:57:41,143 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 14:57:41,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states.
[2020-09-24 14:57:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 5095.
[2020-09-24 14:57:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states.
[2020-09-24 14:57:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6041 transitions.
[2020-09-24 14:57:41,377 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6041 transitions. Word has length 249
[2020-09-24 14:57:41,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:41,377 INFO L479 AbstractCegarLoop]: Abstraction has 5095 states and 6041 transitions.
[2020-09-24 14:57:41,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6041 transitions.
[2020-09-24 14:57:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2020-09-24 14:57:41,390 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:41,390 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:57:41,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-24 14:57:41,390 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:41,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:41,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1378985242, now seen corresponding path program 1 times
[2020-09-24 14:57:41,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:41,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924553743]
[2020-09-24 14:57:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 83 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-24 14:57:41,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924553743]
[2020-09-24 14:57:41,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-24 14:57:41,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2020-09-24 14:57:41,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728358292]
[2020-09-24 14:57:41,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 14:57:41,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:41,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 14:57:41,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-24 14:57:41,518 INFO L87 Difference]: Start difference. First operand 5095 states and 6041 transitions. Second operand 5 states.
[2020-09-24 14:57:42,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:42,084 INFO L93 Difference]: Finished difference Result 12453 states and 15078 transitions.
[2020-09-24 14:57:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 14:57:42,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268
[2020-09-24 14:57:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:42,103 INFO L225 Difference]: With dead ends: 12453
[2020-09-24 14:57:42,103 INFO L226 Difference]: Without dead ends: 7519
[2020-09-24 14:57:42,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-24 14:57:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states.
[2020-09-24 14:57:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 5852.
[2020-09-24 14:57:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5852 states.
[2020-09-24 14:57:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 6925 transitions.
[2020-09-24 14:57:42,299 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 6925 transitions. Word has length 268
[2020-09-24 14:57:42,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:42,300 INFO L479 AbstractCegarLoop]: Abstraction has 5852 states and 6925 transitions.
[2020-09-24 14:57:42,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 14:57:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 6925 transitions.
[2020-09-24 14:57:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 14:57:42,314 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:42,314 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:57:42,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-24 14:57:42,315 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1330691005, now seen corresponding path program 2 times
[2020-09-24 14:57:42,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:42,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636868399]
[2020-09-24 14:57:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:42,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2020-09-24 14:57:42,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636868399]
[2020-09-24 14:57:42,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:42,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 14:57:42,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117405041]
[2020-09-24 14:57:42,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 14:57:42,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:42,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 14:57:42,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 14:57:42,543 INFO L87 Difference]: Start difference. First operand 5852 states and 6925 transitions. Second operand 5 states.
[2020-09-24 14:57:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:42,900 INFO L93 Difference]: Finished difference Result 9945 states and 11708 transitions.
[2020-09-24 14:57:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 14:57:42,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271
[2020-09-24 14:57:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:42,916 INFO L225 Difference]: With dead ends: 9945
[2020-09-24 14:57:42,917 INFO L226 Difference]: Without dead ends: 7016
[2020-09-24 14:57:42,924 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 14:57:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7016 states.
[2020-09-24 14:57:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7016 to 5852.
[2020-09-24 14:57:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5852 states.
[2020-09-24 14:57:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 6925 transitions.
[2020-09-24 14:57:43,088 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 6925 transitions. Word has length 271
[2020-09-24 14:57:43,089 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:43,089 INFO L479 AbstractCegarLoop]: Abstraction has 5852 states and 6925 transitions.
[2020-09-24 14:57:43,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 14:57:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 6925 transitions.
[2020-09-24 14:57:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 14:57:43,102 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:43,102 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:57:43,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-24 14:57:43,102 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:43,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1857770431, now seen corresponding path program 1 times
[2020-09-24 14:57:43,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:43,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254084173]
[2020-09-24 14:57:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-24 14:57:43,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254084173]
[2020-09-24 14:57:43,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:43,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 14:57:43,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342177109]
[2020-09-24 14:57:43,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 14:57:43,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:43,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 14:57:43,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 14:57:43,250 INFO L87 Difference]: Start difference. First operand 5852 states and 6925 transitions. Second operand 4 states.
[2020-09-24 14:57:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:43,899 INFO L93 Difference]: Finished difference Result 12282 states and 14635 transitions.
[2020-09-24 14:57:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 14:57:43,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 271
[2020-09-24 14:57:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:43,924 INFO L225 Difference]: With dead ends: 12282
[2020-09-24 14:57:43,924 INFO L226 Difference]: Without dead ends: 9349
[2020-09-24 14:57:43,936 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 14:57:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9349 states.
[2020-09-24 14:57:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9349 to 5924.
[2020-09-24 14:57:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5924 states.
[2020-09-24 14:57:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 7013 transitions.
[2020-09-24 14:57:44,119 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 7013 transitions. Word has length 271
[2020-09-24 14:57:44,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:44,119 INFO L479 AbstractCegarLoop]: Abstraction has 5924 states and 7013 transitions.
[2020-09-24 14:57:44,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 14:57:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 7013 transitions.
[2020-09-24 14:57:44,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-09-24 14:57:44,131 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:44,132 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:57:44,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-24 14:57:44,132 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:44,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:44,133 INFO L82 PathProgramCache]: Analyzing trace with hash -417971039, now seen corresponding path program 3 times
[2020-09-24 14:57:44,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:44,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640505966]
[2020-09-24 14:57:44,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:44,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2020-09-24 14:57:44,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640505966]
[2020-09-24 14:57:44,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:44,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 14:57:44,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818930068]
[2020-09-24 14:57:44,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 14:57:44,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:44,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 14:57:44,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 14:57:44,253 INFO L87 Difference]: Start difference. First operand 5924 states and 7013 transitions. Second operand 5 states.
[2020-09-24 14:57:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:44,558 INFO L93 Difference]: Finished difference Result 9629 states and 11348 transitions.
[2020-09-24 14:57:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 14:57:44,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271
[2020-09-24 14:57:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:44,571 INFO L225 Difference]: With dead ends: 9629
[2020-09-24 14:57:44,572 INFO L226 Difference]: Without dead ends: 6628
[2020-09-24 14:57:44,579 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 14:57:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6628 states.
[2020-09-24 14:57:44,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6628 to 6004.
[2020-09-24 14:57:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6004 states.
[2020-09-24 14:57:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6004 states to 6004 states and 7101 transitions.
[2020-09-24 14:57:44,762 INFO L78 Accepts]: Start accepts. Automaton has 6004 states and 7101 transitions. Word has length 271
[2020-09-24 14:57:44,762 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:44,762 INFO L479 AbstractCegarLoop]: Abstraction has 6004 states and 7101 transitions.
[2020-09-24 14:57:44,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 14:57:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 6004 states and 7101 transitions.
[2020-09-24 14:57:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274
[2020-09-24 14:57:44,776 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:44,776 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]
[2020-09-24 14:57:44,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-24 14:57:44,777 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:44,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1726538569, now seen corresponding path program 1 times
[2020-09-24 14:57:44,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:44,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944852908]
[2020-09-24 14:57:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:57:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:57:44,993 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 14:57:44,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944852908]
[2020-09-24 14:57:44,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:57:44,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:57:44,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484272582]
[2020-09-24 14:57:44,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:57:44,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:57:44,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:57:44,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:57:44,995 INFO L87 Difference]: Start difference. First operand 6004 states and 7101 transitions. Second operand 3 states.
[2020-09-24 14:57:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:57:45,134 INFO L93 Difference]: Finished difference Result 11204 states and 13284 transitions.
[2020-09-24 14:57:45,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:57:45,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273
[2020-09-24 14:57:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:57:45,148 INFO L225 Difference]: With dead ends: 11204
[2020-09-24 14:57:45,148 INFO L226 Difference]: Without dead ends: 6816
[2020-09-24 14:57:45,159 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 14:57:45,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6816 states.
[2020-09-24 14:57:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6816 to 6816.
[2020-09-24 14:57:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6816 states.
[2020-09-24 14:57:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 8055 transitions.
[2020-09-24 14:57:45,315 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 8055 transitions. Word has length 273
[2020-09-24 14:57:45,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:57:45,315 INFO L479 AbstractCegarLoop]: Abstraction has 6816 states and 8055 transitions.
[2020-09-24 14:57:45,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:57:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 8055 transitions.
[2020-09-24 14:57:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275
[2020-09-24 14:57:45,328 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:57:45,329 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]
[2020-09-24 14:57:45,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-24 14:57:45,329 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:57:45,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:57:45,330 INFO L82 PathProgramCache]: Analyzing trace with hash 127538036, now seen corresponding path program 1 times
[2020-09-24 14:57:45,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:57:45,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188120863]
[2020-09-24 14:57:45,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:57:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 14:57:45,383 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 14:57:45,383 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 14:57:45,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2020-09-24 14:57:45,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 02:57:45 BoogieIcfgContainer
[2020-09-24 14:57:45,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 14:57:45,425 INFO L168 Benchmark]: Toolchain (without parser) took 13098.88 ms. Allocated memory was 138.9 MB in the beginning and 617.1 MB in the end (delta: 478.2 MB). Free memory was 101.6 MB in the beginning and 322.2 MB in the end (delta: -220.6 MB). Peak memory consumption was 257.6 MB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,425 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.30 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 177.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,427 INFO L168 Benchmark]: Boogie Preprocessor took 61.26 ms. Allocated memory is still 201.9 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,427 INFO L168 Benchmark]: RCFGBuilder took 966.14 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 111.0 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,428 INFO L168 Benchmark]: TraceAbstraction took 11508.66 ms. Allocated memory was 201.9 MB in the beginning and 617.1 MB in the end (delta: 415.2 MB). Free memory was 110.0 MB in the beginning and 322.2 MB in the end (delta: -212.2 MB). Peak memory consumption was 203.0 MB. Max. memory is 7.1 GB.
[2020-09-24 14:57:45,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 553.30 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 177.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 61.26 ms. Allocated memory is still 201.9 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 966.14 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 111.0 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 11508.66 ms. Allocated memory was 201.9 MB in the beginning and 617.1 MB in the end (delta: 415.2 MB). Free memory was 110.0 MB in the beginning and 322.2 MB in the end (delta: -212.2 MB). Peak memory consumption was 203.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 548]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L553] int s ;
[L557] s = 12292
[L558] CALL ssl3_connect(s)
[L11] int s__info_callback = __VERIFIER_nondet_int() ;
[L12] int s__in_handshake = __VERIFIER_nondet_int() ;
[L13] int s__state ;
[L14] int s__new_session ;
[L15] int s__server ;
[L16] int s__version = __VERIFIER_nondet_int() ;
[L17] int s__type ;
[L18] int s__init_num ;
[L19] int s__bbio = __VERIFIER_nondet_int() ;
[L20] int s__wbio = __VERIFIER_nondet_int() ;
[L21] int s__hit = __VERIFIER_nondet_int() ;
[L22] int s__rwstate ;
[L23] int s__init_buf___0 = 1;
[L24] int s__debug = __VERIFIER_nondet_int() ;
[L25] int s__shutdown ;
[L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ;
[L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ;
[L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ;
[L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ;
[L31] int s__s3__change_cipher_spec ;
[L32] int s__s3__flags ;
[L33] int s__s3__delay_buf_pop_ret ;
[L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ;
[L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ;
[L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L39] int s__s3__tmp__next_state___0 ;
[L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ;
[L41] int s__session__cipher ;
[L42] int s__session__compress_meth ;
[L43] int buf ;
[L44] unsigned long tmp ;
[L45] unsigned long l ;
[L46] int num1 ;
[L47] int cb ;
[L48] int ret ;
[L49] int new_state ;
[L50] int state ;
[L51] int skip ;
[L52] int tmp___0 ;
[L53] int tmp___1 = __VERIFIER_nondet_int() ;
[L54] int tmp___2 = __VERIFIER_nondet_int() ;
[L55] int tmp___3 = __VERIFIER_nondet_int() ;
[L56] int tmp___4 = __VERIFIER_nondet_int() ;
[L57] int tmp___5 = __VERIFIER_nondet_int() ;
[L58] int tmp___6 = __VERIFIER_nondet_int() ;
[L59] int tmp___7 = __VERIFIER_nondet_int() ;
[L60] int tmp___8 = __VERIFIER_nondet_int() ;
[L61] int tmp___9 = __VERIFIER_nondet_int() ;
[L62] int blastFlag ;
[L63] int __cil_tmp55 ;
[L64] unsigned long __cil_tmp56 ;
[L65] long __cil_tmp57 ;
[L66] long __cil_tmp58 ;
[L67] long __cil_tmp59 ;
[L68] long __cil_tmp60 ;
[L69] long __cil_tmp61 ;
[L70] long __cil_tmp62 ;
[L71] long __cil_tmp63 ;
[L72] long __cil_tmp64 ;
[L73] long __cil_tmp65 ;
[L77] s__state = initial_state
[L78] blastFlag = 0
[L79] tmp = __VERIFIER_nondet_int()
[L80] cb = 0
[L81] ret = -1
[L82] skip = 0
[L83] tmp___0 = 0
[L84] COND TRUE s__info_callback != 0
[L85] cb = s__info_callback
[L91] s__in_handshake ++
[L92] COND FALSE !(tmp___1 - 12288)
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND TRUE s__state == 12292
[L203] s__new_session = 1
[L204] s__state = 4096
[L205] s__ctx__stats__sess_connect_renegotiate ++
[L210] s__server = 0
[L211] COND TRUE cb != 0
[L215] __cil_tmp55 = s__version - 65280
[L216] COND FALSE !(__cil_tmp55 != 768)
[L221] s__type = 4096
[L222] COND FALSE !(s__init_buf___0 == 0)
[L234] COND FALSE !(! tmp___4)
[L238] COND FALSE !(! tmp___5)
[L242] s__state = 4368
[L243] s__ctx__stats__sess_connect ++
[L244] s__init_num = 0
[L520] COND FALSE !(! s__s3__tmp__reuse_message)
[L537] skip = 0
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND FALSE !(s__state == 12292)
[L104] COND FALSE !(s__state == 16384)
[L107] COND FALSE !(s__state == 4096)
[L110] COND FALSE !(s__state == 20480)
[L113] COND FALSE !(s__state == 4099)
[L116] COND TRUE s__state == 4368
[L248] s__shutdown = 0
[L249] ret = __VERIFIER_nondet_int()
[L250] COND TRUE blastFlag == 0
[L251] blastFlag = 1
[L257] COND FALSE !(ret <= 0)
[L260] s__state = 4384
[L261] s__init_num = 0
[L262] COND TRUE s__bbio != s__wbio
[L520] COND FALSE !(! s__s3__tmp__reuse_message)
[L537] skip = 0
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND FALSE !(s__state == 12292)
[L104] COND FALSE !(s__state == 16384)
[L107] COND FALSE !(s__state == 4096)
[L110] COND FALSE !(s__state == 20480)
[L113] COND FALSE !(s__state == 4099)
[L116] COND FALSE !(s__state == 4368)
[L119] COND FALSE !(s__state == 4369)
[L122] COND TRUE s__state == 4384
[L268] ret = __VERIFIER_nondet_int()
[L269] COND TRUE blastFlag == 1
[L270] blastFlag = 2
[L272] COND FALSE !(ret <= 0)
[L275] COND FALSE !(\read(s__hit))
[L278] s__state = 4400
[L280] s__init_num = 0
[L520] COND FALSE !(! s__s3__tmp__reuse_message)
[L537] skip = 0
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND FALSE !(s__state == 12292)
[L104] COND FALSE !(s__state == 16384)
[L107] COND FALSE !(s__state == 4096)
[L110] COND FALSE !(s__state == 20480)
[L113] COND FALSE !(s__state == 4099)
[L116] COND FALSE !(s__state == 4368)
[L119] COND FALSE !(s__state == 4369)
[L122] COND FALSE !(s__state == 4384)
[L125] COND FALSE !(s__state == 4385)
[L128] COND TRUE s__state == 4400
[L285] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms
[L286] COND FALSE !(__cil_tmp56 - 256UL)
[L289] ret = __VERIFIER_nondet_int()
[L290] COND TRUE blastFlag == 2
[L291] blastFlag = 3
[L293] COND FALSE !(ret <= 0)
[L298] s__state = 4416
[L299] s__init_num = 0
[L520] COND FALSE !(! s__s3__tmp__reuse_message)
[L537] skip = 0
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND FALSE !(s__state == 12292)
[L104] COND FALSE !(s__state == 16384)
[L107] COND FALSE !(s__state == 4096)
[L110] COND FALSE !(s__state == 20480)
[L113] COND FALSE !(s__state == 4099)
[L116] COND FALSE !(s__state == 4368)
[L119] COND FALSE !(s__state == 4369)
[L122] COND FALSE !(s__state == 4384)
[L125] COND FALSE !(s__state == 4385)
[L128] COND FALSE !(s__state == 4400)
[L131] COND FALSE !(s__state == 4401)
[L134] COND TRUE s__state == 4416
[L303] ret = __VERIFIER_nondet_int()
[L304] COND TRUE blastFlag == 3
[L305] blastFlag = 4
[L307] COND FALSE !(ret <= 0)
[L310] s__state = 4432
[L311] s__init_num = 0
[L312] COND FALSE !(! tmp___6)
[L520] COND FALSE !(! s__s3__tmp__reuse_message)
[L537] skip = 0
[L98] COND TRUE 1
[L100] state = s__state
[L101] COND FALSE !(s__state == 12292)
[L104] COND FALSE !(s__state == 16384)
[L107] COND FALSE !(s__state == 4096)
[L110] COND FALSE !(s__state == 20480)
[L113] COND FALSE !(s__state == 4099)
[L116] COND FALSE !(s__state == 4368)
[L119] COND FALSE !(s__state == 4369)
[L122] COND FALSE !(s__state == 4384)
[L125] COND FALSE !(s__state == 4385)
[L128] COND FALSE !(s__state == 4400)
[L131] COND FALSE !(s__state == 4401)
[L134] COND FALSE !(s__state == 4416)
[L137] COND FALSE !(s__state == 4417)
[L140] COND TRUE s__state == 4432
[L319] ret = __VERIFIER_nondet_int()
[L320] COND TRUE blastFlag == 4
[L548] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 385 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.3s, OverallIterations: 20, TraceHistogramMax: 6, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8564 SDtfs, 5208 SDslu, 9048 SDs, 0 SdLazy, 2059 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6816occurred in iteration=19, 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, 19 MinimizatonAttempts, 7407 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 4553 NumberOfCodeBlocks, 4553 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 18 PerfectInterpolantSequences, 887/892 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...