/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:47:47,750 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:47:47,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:47:47,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:47:47,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:47:47,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:47:47,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:47:47,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:47:47,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:47:47,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:47:47,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:47:47,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:47:47,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:47:47,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:47:47,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:47:47,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:47:47,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:47:47,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:47:47,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:47:47,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:47:47,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:47:47,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:47:47,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:47:47,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:47:47,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:47:47,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:47:47,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:47:47,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:47:47,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:47:47,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:47:47,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 07:47:47,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 07:47:47,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:47:47,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:47:47,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:47:47,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:47:47,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 07:47:47,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 07:47:47,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:47:47,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:47:47,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:47:47,854 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
[2020-09-25 07:47:47,908 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 07:47:47,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:47:47,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:47:47,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 07:47:47,910 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 07:47:47,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:47:47,912 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 07:47:47,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 07:47:47,912 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 07:47:47,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 07:47:47,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:47:47,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:47:47,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:47:47,914 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 07:47:47,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 07:47:47,915 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 07:47:47,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:47:47,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:47:47,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 07:47:47,916 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 07:47:47,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 07:47:47,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:47:47,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:47:47,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:47:47,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:47:47,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 07:47:47,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:47:47,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:47:47,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 07:47:47,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
[2020-09-25 07:47:48,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:47:48,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:47:48,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:47:48,475 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 07:47:48,476 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 07:47:48,477 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
[2020-09-25 07:47:48,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60d77870d/05131e6e7154434fa2866f8892eda33e/FLAG05946ab7a
[2020-09-25 07:47:49,129 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 07:47:49,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c
[2020-09-25 07:47:49,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60d77870d/05131e6e7154434fa2866f8892eda33e/FLAG05946ab7a
[2020-09-25 07:47:49,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60d77870d/05131e6e7154434fa2866f8892eda33e
[2020-09-25 07:47:49,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:47:49,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:47:49,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:47:49,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:47:49,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:47:49,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:47:49" (1/1) ...
[2020-09-25 07:47:49,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d98017f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:49, skipping insertion in model container
[2020-09-25 07:47:49,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:47:49" (1/1) ...
[2020-09-25 07:47:49,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 07:47:49,550 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:47:50,053 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:47:50,062 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 07:47:50,159 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:47:50,177 INFO L208 MainTranslator]: Completed translation
[2020-09-25 07:47:50,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50 WrapperNode
[2020-09-25 07:47:50,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:47:50,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:47:50,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:47:50,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:47:50,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
[2020-09-25 07:47:50,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:47:50,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:47:50,242 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:47:50,243 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:47:50,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:47:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:47:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:47:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect
[2020-09-25 07:47:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect
[2020-09-25 07:47:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:47:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:47:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:47:50,501 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-09-25 07:47:51,248 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-09-25 07:47:51,249 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-09-25 07:47:51,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:47:51,276 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 07:47:51,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:47:51 BoogieIcfgContainer
[2020-09-25 07:47:51,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:47:51,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:47:51,286 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:47:51,290 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:47:51,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:47:49" (1/3) ...
[2020-09-25 07:47:51,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a19e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:47:51, skipping insertion in model container
[2020-09-25 07:47:51,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:47:50" (2/3) ...
[2020-09-25 07:47:51,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a19e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:47:51, skipping insertion in model container
[2020-09-25 07:47:51,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:47:51" (3/3) ...
[2020-09-25 07:47:51,294 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c
[2020-09-25 07:47:51,307 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:47:51,319 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:47:51,343 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:47:51,379 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:47:51,379 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 07:47:51,379 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:47:51,379 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:47:51,379 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:47:51,380 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 07:47:51,380 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:47:51,380 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:47:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states.
[2020-09-25 07:47:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 07:47:51,433 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:47:51,435 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]
[2020-09-25 07:47:51,436 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:47:51,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:47:51,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1688119681, now seen corresponding path program 1 times
[2020-09-25 07:47:51,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:47:51,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573666116]
[2020-09-25 07:47:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:47:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:51,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:53,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170
[2020-09-25 07:47:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:47:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1303
[2020-09-25 07:47:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:53,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:47:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 07:47:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-25 07:47:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 07:47:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:47:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:53,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:53,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:47:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:47:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:47:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:53,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:47:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:47:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:47:53,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:47:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:47:53,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573666116]
[2020-09-25 07:47:53,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:47:53,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:47:53,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674395813]
[2020-09-25 07:47:53,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:47:53,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:47:53,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:47:53,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:47:53,290 INFO L87 Difference]: Start difference. First operand 385 states. Second operand 3 states.
[2020-09-25 07:47:53,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:47:53,490 INFO L93 Difference]: Finished difference Result 853 states and 1110 transitions.
[2020-09-25 07:47:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:47:53,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161
[2020-09-25 07:47:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:47:53,518 INFO L225 Difference]: With dead ends: 853
[2020-09-25 07:47:53,518 INFO L226 Difference]: Without dead ends: 536
[2020-09-25 07:47:53,525 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
[2020-09-25 07:47:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states.
[2020-09-25 07:47:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536.
[2020-09-25 07:47:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states.
[2020-09-25 07:47:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 642 transitions.
[2020-09-25 07:47:53,618 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 642 transitions. Word has length 161
[2020-09-25 07:47:53,619 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:47:53,619 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 642 transitions.
[2020-09-25 07:47:53,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:47:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 642 transitions.
[2020-09-25 07:47:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2020-09-25 07:47:53,625 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:47:53,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:47:53,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:47:53,626 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:47:53,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:47:53,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1280710455, now seen corresponding path program 1 times
[2020-09-25 07:47:53,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:47:53,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974102873]
[2020-09-25 07:47:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:47:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:53,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:55,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190
[2020-09-25 07:47:55,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 07:47:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1416
[2020-09-25 07:47:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:55,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:47:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162
[2020-09-25 07:47:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 07:47:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:47:55,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:47:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:55,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:47:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:47:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:47:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:55,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:47:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:47:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:47:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:47:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:47:55,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974102873]
[2020-09-25 07:47:55,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:47:55,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:47:55,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296889236]
[2020-09-25 07:47:55,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:47:55,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:47:55,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:47:55,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:47:55,165 INFO L87 Difference]: Start difference. First operand 536 states and 642 transitions. Second operand 3 states.
[2020-09-25 07:47:55,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:47:55,236 INFO L93 Difference]: Finished difference Result 929 states and 1142 transitions.
[2020-09-25 07:47:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:47:55,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181
[2020-09-25 07:47:55,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:47:55,242 INFO L225 Difference]: With dead ends: 929
[2020-09-25 07:47:55,242 INFO L226 Difference]: Without dead ends: 729
[2020-09-25 07:47:55,245 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
[2020-09-25 07:47:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states.
[2020-09-25 07:47:55,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729.
[2020-09-25 07:47:55,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states.
[2020-09-25 07:47:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 885 transitions.
[2020-09-25 07:47:55,279 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 885 transitions. Word has length 181
[2020-09-25 07:47:55,280 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:47:55,280 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 885 transitions.
[2020-09-25 07:47:55,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:47:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 885 transitions.
[2020-09-25 07:47:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2020-09-25 07:47:55,286 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:47:55,286 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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]
[2020-09-25 07:47:55,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:47:55,287 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:47:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:47:55,287 INFO L82 PathProgramCache]: Analyzing trace with hash 436822488, now seen corresponding path program 1 times
[2020-09-25 07:47:55,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:47:55,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674511704]
[2020-09-25 07:47:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:47:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:55,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:56,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:56,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211
[2020-09-25 07:47:56,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 07:47:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165
[2020-09-25 07:47:56,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:56,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:47:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183
[2020-09-25 07:47:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 07:47:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:47:56,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:47:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:56,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:47:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:47:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:47:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:47:56,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:47:56,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:47:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:47:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:47:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:47:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:47:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-09-25 07:47:56,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674511704]
[2020-09-25 07:47:56,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:47:56,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:47:56,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908929556]
[2020-09-25 07:47:56,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:47:56,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:47:56,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:47:56,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:47:56,575 INFO L87 Difference]: Start difference. First operand 729 states and 885 transitions. Second operand 3 states.
[2020-09-25 07:47:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:47:56,650 INFO L93 Difference]: Finished difference Result 1315 states and 1628 transitions.
[2020-09-25 07:47:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:47:56,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202
[2020-09-25 07:47:56,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:47:56,657 INFO L225 Difference]: With dead ends: 1315
[2020-09-25 07:47:56,657 INFO L226 Difference]: Without dead ends: 922
[2020-09-25 07:47:56,659 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
[2020-09-25 07:47:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states.
[2020-09-25 07:47:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 922.
[2020-09-25 07:47:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states.
[2020-09-25 07:47:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1129 transitions.
[2020-09-25 07:47:56,689 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1129 transitions. Word has length 202
[2020-09-25 07:47:56,690 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:47:56,690 INFO L479 AbstractCegarLoop]: Abstraction has 922 states and 1129 transitions.
[2020-09-25 07:47:56,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:47:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1129 transitions.
[2020-09-25 07:47:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227
[2020-09-25 07:47:56,695 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:47:56,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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]
[2020-09-25 07:47:56,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:47:56,696 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:47:56,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:47:56,697 INFO L82 PathProgramCache]: Analyzing trace with hash 992070410, now seen corresponding path program 1 times
[2020-09-25 07:47:56,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:47:56,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544810404]
[2020-09-25 07:47:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:47:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:47:56,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:56,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:56,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:47:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:00,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:00,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235
[2020-09-25 07:48:00,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 07:48:00,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3345
[2020-09-25 07:48:00,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:00,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208
[2020-09-25 07:48:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26
[2020-09-25 07:48:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:00,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:00,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:00,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:00,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2020-09-25 07:48:00,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544810404]
[2020-09-25 07:48:00,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:00,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:00,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591092036]
[2020-09-25 07:48:00,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:00,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:00,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:00,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:00,246 INFO L87 Difference]: Start difference. First operand 922 states and 1129 transitions. Second operand 3 states.
[2020-09-25 07:48:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:00,348 INFO L93 Difference]: Finished difference Result 1701 states and 2116 transitions.
[2020-09-25 07:48:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:00,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226
[2020-09-25 07:48:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:00,359 INFO L225 Difference]: With dead ends: 1701
[2020-09-25 07:48:00,359 INFO L226 Difference]: Without dead ends: 1115
[2020-09-25 07:48:00,362 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
[2020-09-25 07:48:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states.
[2020-09-25 07:48:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115.
[2020-09-25 07:48:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states.
[2020-09-25 07:48:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1374 transitions.
[2020-09-25 07:48:00,402 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1374 transitions. Word has length 226
[2020-09-25 07:48:00,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:00,403 INFO L479 AbstractCegarLoop]: Abstraction has 1115 states and 1374 transitions.
[2020-09-25 07:48:00,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1374 transitions.
[2020-09-25 07:48:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2020-09-25 07:48:00,413 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:00,414 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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]
[2020-09-25 07:48:00,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:48:00,415 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:00,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:00,415 INFO L82 PathProgramCache]: Analyzing trace with hash -189283057, now seen corresponding path program 1 times
[2020-09-25 07:48:00,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:00,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068179146]
[2020-09-25 07:48:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:00,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:01,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:01,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260
[2020-09-25 07:48:01,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:48:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1215
[2020-09-25 07:48:01,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:01,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186
[2020-09-25 07:48:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 07:48:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:01,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:01,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:01,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:01,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:01,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:01,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:01,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2020-09-25 07:48:01,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068179146]
[2020-09-25 07:48:01,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:01,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:01,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587351392]
[2020-09-25 07:48:01,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:01,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:01,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:01,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:01,790 INFO L87 Difference]: Start difference. First operand 1115 states and 1374 transitions. Second operand 3 states.
[2020-09-25 07:48:02,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:02,049 INFO L93 Difference]: Finished difference Result 2397 states and 3101 transitions.
[2020-09-25 07:48:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:02,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251
[2020-09-25 07:48:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:02,058 INFO L225 Difference]: With dead ends: 2397
[2020-09-25 07:48:02,059 INFO L226 Difference]: Without dead ends: 1420
[2020-09-25 07:48:02,061 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
[2020-09-25 07:48:02,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states.
[2020-09-25 07:48:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1335.
[2020-09-25 07:48:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states.
[2020-09-25 07:48:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1639 transitions.
[2020-09-25 07:48:02,103 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1639 transitions. Word has length 251
[2020-09-25 07:48:02,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:02,104 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1639 transitions.
[2020-09-25 07:48:02,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1639 transitions.
[2020-09-25 07:48:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2020-09-25 07:48:02,110 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:02,110 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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]
[2020-09-25 07:48:02,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:48:02,111 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:02,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash -552259409, now seen corresponding path program 1 times
[2020-09-25 07:48:02,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:02,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480316762]
[2020-09-25 07:48:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:02,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260
[2020-09-25 07:48:03,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:48:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 909
[2020-09-25 07:48:03,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:03,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:48:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 07:48:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145
[2020-09-25 07:48:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:48:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:03,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:03,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:03,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:03,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:03,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:03,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:03,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2020-09-25 07:48:03,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480316762]
[2020-09-25 07:48:03,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:03,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 07:48:03,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88440778]
[2020-09-25 07:48:03,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 07:48:03,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:03,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 07:48:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 07:48:03,257 INFO L87 Difference]: Start difference. First operand 1335 states and 1639 transitions. Second operand 6 states.
[2020-09-25 07:48:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:03,520 INFO L93 Difference]: Finished difference Result 2669 states and 3334 transitions.
[2020-09-25 07:48:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 07:48:03,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 251
[2020-09-25 07:48:03,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:03,529 INFO L225 Difference]: With dead ends: 2669
[2020-09-25 07:48:03,529 INFO L226 Difference]: Without dead ends: 1477
[2020-09-25 07:48:03,532 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
[2020-09-25 07:48:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states.
[2020-09-25 07:48:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1425.
[2020-09-25 07:48:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states.
[2020-09-25 07:48:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1779 transitions.
[2020-09-25 07:48:03,575 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1779 transitions. Word has length 251
[2020-09-25 07:48:03,576 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:03,576 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1779 transitions.
[2020-09-25 07:48:03,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 07:48:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1779 transitions.
[2020-09-25 07:48:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253
[2020-09-25 07:48:03,583 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:03,583 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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]
[2020-09-25 07:48:03,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 07:48:03,584 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:03,585 INFO L82 PathProgramCache]: Analyzing trace with hash -349484375, now seen corresponding path program 1 times
[2020-09-25 07:48:03,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:03,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45504809]
[2020-09-25 07:48:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:03,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:03,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:04,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261
[2020-09-25 07:48:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:48:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578
[2020-09-25 07:48:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:04,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:48:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 07:48:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146
[2020-09-25 07:48:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:04,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:04,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:04,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:04,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:04,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:04,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2020-09-25 07:48:04,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45504809]
[2020-09-25 07:48:04,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:04,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 07:48:04,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404693425]
[2020-09-25 07:48:04,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 07:48:04,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:04,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 07:48:04,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 07:48:04,379 INFO L87 Difference]: Start difference. First operand 1425 states and 1779 transitions. Second operand 6 states.
[2020-09-25 07:48:04,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:04,594 INFO L93 Difference]: Finished difference Result 2710 states and 3415 transitions.
[2020-09-25 07:48:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 07:48:04,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 252
[2020-09-25 07:48:04,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:04,604 INFO L225 Difference]: With dead ends: 2710
[2020-09-25 07:48:04,604 INFO L226 Difference]: Without dead ends: 1428
[2020-09-25 07:48:04,610 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
[2020-09-25 07:48:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states.
[2020-09-25 07:48:04,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428.
[2020-09-25 07:48:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states.
[2020-09-25 07:48:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1782 transitions.
[2020-09-25 07:48:04,671 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1782 transitions. Word has length 252
[2020-09-25 07:48:04,672 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:04,672 INFO L479 AbstractCegarLoop]: Abstraction has 1428 states and 1782 transitions.
[2020-09-25 07:48:04,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 07:48:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1782 transitions.
[2020-09-25 07:48:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275
[2020-09-25 07:48:04,679 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:04,679 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]
[2020-09-25 07:48:04,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 07:48:04,680 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:04,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:04,680 INFO L82 PathProgramCache]: Analyzing trace with hash 127538036, now seen corresponding path program 1 times
[2020-09-25 07:48:04,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:04,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143078192]
[2020-09-25 07:48:04,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 07:48:04,728 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 07:48:04,729 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 07:48:04,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 07:48:04,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:48:04 BoogieIcfgContainer
[2020-09-25 07:48:04,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 07:48:04,804 INFO L168 Benchmark]: Toolchain (without parser) took 15349.62 ms. Allocated memory was 147.8 MB in the beginning and 385.4 MB in the end (delta: 237.5 MB). Free memory was 103.9 MB in the beginning and 168.0 MB in the end (delta: -64.1 MB). Peak memory consumption was 173.4 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,811 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.21 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,816 INFO L168 Benchmark]: Boogie Preprocessor took 62.85 ms. Allocated memory is still 205.0 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,816 INFO L168 Benchmark]: RCFGBuilder took 1042.56 ms. Allocated memory is still 205.0 MB. Free memory was 177.3 MB in the beginning and 113.3 MB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,817 INFO L168 Benchmark]: TraceAbstraction took 13510.01 ms. Allocated memory was 205.0 MB in the beginning and 385.4 MB in the end (delta: 180.4 MB). Free memory was 113.3 MB in the beginning and 168.0 MB in the end (delta: -54.7 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:04,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 724.21 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 62.85 ms. Allocated memory is still 205.0 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1042.56 ms. Allocated memory is still 205.0 MB. Free memory was 177.3 MB in the beginning and 113.3 MB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 13510.01 ms. Allocated memory was 205.0 MB in the beginning and 385.4 MB in the end (delta: 180.4 MB). Free memory was 113.3 MB in the beginning and 168.0 MB in the end (delta: -54.7 MB). Peak memory consumption was 125.7 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: 13.3s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2801 SDtfs, 2696 SDslu, 3020 SDs, 0 SdLazy, 469 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1428occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 137 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1798 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1517 ConstructedInterpolants, 0 QuantifiedInterpolants, 564435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 438/438 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...