/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_srvr_13.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:10:36,636 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:10:36,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:10:36,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:10:36,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:10:36,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:10:36,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:10:36,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:10:36,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:10:36,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:10:36,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:10:36,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:10:36,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:10:36,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:10:36,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:10:36,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:10:36,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:10:36,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:10:36,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:10:36,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:10:36,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:10:36,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:10:36,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:10:36,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:10:36,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:10:36,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:10:36,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:10:36,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:10:36,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:10:36,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:10:36,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:10:36,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:10:36,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:10:36,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:10:36,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:10:36,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:10:36,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:10:36,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:10:36,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:10:36,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:10:36,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:10:36,762 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 11:10:36,803 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 11:10:36,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:10:36,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:10:36,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 11:10:36,806 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 11:10:36,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:10:36,807 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 11:10:36,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 11:10:36,807 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 11:10:36,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 11:10:36,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:10:36,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:10:36,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:10:36,810 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 11:10:36,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 11:10:36,810 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 11:10:36,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:10:36,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:10:36,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 11:10:36,811 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 11:10:36,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 11:10:36,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:10:36,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:10:36,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:10:36,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:10:36,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 11:10:36,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:10:36,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:10:36,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 11:10:36,813 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
[2020-09-25 11:10:37,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:10:37,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:10:37,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:10:37,290 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 11:10:37,291 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 11:10:37,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_13.cil.c
[2020-09-25 11:10:37,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b84381d03/0250c06a87d042678862cb9ee2a2dc4c/FLAG4f1ae6640
[2020-09-25 11:10:37,954 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 11:10:37,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_13.cil.c
[2020-09-25 11:10:37,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b84381d03/0250c06a87d042678862cb9ee2a2dc4c/FLAG4f1ae6640
[2020-09-25 11:10:38,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b84381d03/0250c06a87d042678862cb9ee2a2dc4c
[2020-09-25 11:10:38,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:10:38,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:10:38,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:10:38,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:10:38,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:10:38,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547fd1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38, skipping insertion in model container
[2020-09-25 11:10:38,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 11:10:38,322 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:10:38,655 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:10:38,664 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 11:10:38,821 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:10:38,840 INFO L208 MainTranslator]: Completed translation
[2020-09-25 11:10:38,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38 WrapperNode
[2020-09-25 11:10:38,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:10:38,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:10:38,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:10:38,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:10:38,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (1/1) ...
[2020-09-25 11:10:38,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:10:38,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:10:38,913 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:10:38,913 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:10:38,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (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 11:10:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:10:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:10:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept
[2020-09-25 11:10:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:10:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:10:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-25 11:10:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 11:10:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-25 11:10:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept
[2020-09-25 11:10:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:10:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:10:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:10:39,284 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-09-25 11:10:39,921 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false;
[2020-09-25 11:10:39,922 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false;
[2020-09-25 11:10:39,940 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:10:39,941 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 11:10:39,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:39 BoogieIcfgContainer
[2020-09-25 11:10:39,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:10:39,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:10:39,951 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:10:39,955 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:10:39,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:38" (1/3) ...
[2020-09-25 11:10:39,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59434198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:39, skipping insertion in model container
[2020-09-25 11:10:39,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:38" (2/3) ...
[2020-09-25 11:10:39,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59434198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:39, skipping insertion in model container
[2020-09-25 11:10:39,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:39" (3/3) ...
[2020-09-25 11:10:39,960 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_13.cil.c
[2020-09-25 11:10:39,973 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:10:39,985 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 11:10:40,010 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 11:10:40,046 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:10:40,046 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 11:10:40,046 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:10:40,047 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:10:40,047 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:10:40,047 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 11:10:40,047 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:10:40,047 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:10:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states.
[2020-09-25 11:10:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 11:10:40,101 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:40,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:10:40,103 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:40,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1103530067, now seen corresponding path program 1 times
[2020-09-25 11:10:40,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:40,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296707230]
[2020-09-25 11:10:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:40,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:41,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:41,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169
[2020-09-25 11:10:41,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:10:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1333
[2020-09-25 11:10:41,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:41,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:10:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13
[2020-09-25 11:10:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143
[2020-09-25 11:10:41,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 11:10:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:41,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:41,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:41,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:41,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:41,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:41,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:41,917 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 11:10:41,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296707230]
[2020-09-25 11:10:41,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:41,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 11:10:41,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595140231]
[2020-09-25 11:10:41,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 11:10:41,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:41,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 11:10:41,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 11:10:41,950 INFO L87 Difference]: Start difference. First operand 440 states. Second operand 6 states.
[2020-09-25 11:10:42,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:42,394 INFO L93 Difference]: Finished difference Result 782 states and 1019 transitions.
[2020-09-25 11:10:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 11:10:42,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160
[2020-09-25 11:10:42,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:42,420 INFO L225 Difference]: With dead ends: 782
[2020-09-25 11:10:42,420 INFO L226 Difference]: Without dead ends: 441
[2020-09-25 11:10:42,427 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 11:10:42,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states.
[2020-09-25 11:10:42,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 430.
[2020-09-25 11:10:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states.
[2020-09-25 11:10:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 515 transitions.
[2020-09-25 11:10:42,517 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 515 transitions. Word has length 160
[2020-09-25 11:10:42,520 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:42,520 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 515 transitions.
[2020-09-25 11:10:42,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 11:10:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 515 transitions.
[2020-09-25 11:10:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2020-09-25 11:10:42,531 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:42,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:10:42,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 11:10:42,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:42,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:42,533 INFO L82 PathProgramCache]: Analyzing trace with hash -466072829, now seen corresponding path program 1 times
[2020-09-25 11:10:42,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:42,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022351922]
[2020-09-25 11:10:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:42,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:42,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178
[2020-09-25 11:10:44,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:10:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463
[2020-09-25 11:10:44,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 11:10:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13
[2020-09-25 11:10:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159
[2020-09-25 11:10:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 11:10:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:44,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:10:44,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:44,211 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 11:10:44,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022351922]
[2020-09-25 11:10:44,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:44,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 11:10:44,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822088841]
[2020-09-25 11:10:44,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 11:10:44,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 11:10:44,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 11:10:44,225 INFO L87 Difference]: Start difference. First operand 430 states and 515 transitions. Second operand 7 states.
[2020-09-25 11:10:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:44,713 INFO L93 Difference]: Finished difference Result 876 states and 1103 transitions.
[2020-09-25 11:10:44,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 11:10:44,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169
[2020-09-25 11:10:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:44,723 INFO L225 Difference]: With dead ends: 876
[2020-09-25 11:10:44,724 INFO L226 Difference]: Without dead ends: 574
[2020-09-25 11:10:44,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2020-09-25 11:10:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states.
[2020-09-25 11:10:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 539.
[2020-09-25 11:10:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states.
[2020-09-25 11:10:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 645 transitions.
[2020-09-25 11:10:44,782 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 645 transitions. Word has length 169
[2020-09-25 11:10:44,783 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:44,784 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 645 transitions.
[2020-09-25 11:10:44,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 11:10:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 645 transitions.
[2020-09-25 11:10:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-09-25 11:10:44,789 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:44,790 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-25 11:10:44,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 11:10:44,790 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:44,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:44,791 INFO L82 PathProgramCache]: Analyzing trace with hash -139011456, now seen corresponding path program 1 times
[2020-09-25 11:10:44,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737241696]
[2020-09-25 11:10:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:46,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:46,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:46,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 11:10:46,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 11:10:46,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1749
[2020-09-25 11:10:46,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:46,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130
[2020-09-25 11:10:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32
[2020-09-25 11:10:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:46,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:46,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:46,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:46,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:46,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-09-25 11:10:46,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737241696]
[2020-09-25 11:10:46,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:46,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:46,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483533717]
[2020-09-25 11:10:46,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:46,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:46,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:46,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:46,647 INFO L87 Difference]: Start difference. First operand 539 states and 645 transitions. Second operand 3 states.
[2020-09-25 11:10:46,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:46,716 INFO L93 Difference]: Finished difference Result 954 states and 1163 transitions.
[2020-09-25 11:10:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:46,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-09-25 11:10:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:46,720 INFO L225 Difference]: With dead ends: 954
[2020-09-25 11:10:46,721 INFO L226 Difference]: Without dead ends: 555
[2020-09-25 11:10:46,722 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 11:10:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states.
[2020-09-25 11:10:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555.
[2020-09-25 11:10:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states.
[2020-09-25 11:10:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 661 transitions.
[2020-09-25 11:10:46,741 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 661 transitions. Word has length 191
[2020-09-25 11:10:46,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:46,742 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 661 transitions.
[2020-09-25 11:10:46,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 661 transitions.
[2020-09-25 11:10:46,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2020-09-25 11:10:46,745 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:46,745 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-25 11:10:46,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 11:10:46,746 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:46,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:46,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1120886307, now seen corresponding path program 1 times
[2020-09-25 11:10:46,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:46,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856306540]
[2020-09-25 11:10:46,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201
[2020-09-25 11:10:47,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 11:10:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017
[2020-09-25 11:10:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:47,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 11:10:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165
[2020-09-25 11:10:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30
[2020-09-25 11:10:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:47,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:47,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:47,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:47,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:47,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:47,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:47,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:10:47,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856306540]
[2020-09-25 11:10:47,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 11:10:47,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4
[2020-09-25 11:10:47,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406720283]
[2020-09-25 11:10:47,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:10:47,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:47,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:10:47,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:10:47,874 INFO L87 Difference]: Start difference. First operand 555 states and 661 transitions. Second operand 4 states.
[2020-09-25 11:10:48,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:48,241 INFO L93 Difference]: Finished difference Result 1172 states and 1461 transitions.
[2020-09-25 11:10:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:10:48,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192
[2020-09-25 11:10:48,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:48,246 INFO L225 Difference]: With dead ends: 1172
[2020-09-25 11:10:48,246 INFO L226 Difference]: Without dead ends: 761
[2020-09-25 11:10:48,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:10:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states.
[2020-09-25 11:10:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 665.
[2020-09-25 11:10:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states.
[2020-09-25 11:10:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 802 transitions.
[2020-09-25 11:10:48,268 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 802 transitions. Word has length 192
[2020-09-25 11:10:48,268 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:48,268 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 802 transitions.
[2020-09-25 11:10:48,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:10:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 802 transitions.
[2020-09-25 11:10:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-09-25 11:10:48,272 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:48,272 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-25 11:10:48,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 11:10:48,273 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:48,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:48,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1578833511, now seen corresponding path program 1 times
[2020-09-25 11:10:48,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:48,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901551311]
[2020-09-25 11:10:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:48,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:48,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:48,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:48,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213
[2020-09-25 11:10:48,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:10:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649
[2020-09-25 11:10:48,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:48,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162
[2020-09-25 11:10:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50
[2020-09-25 11:10:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:10:48,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:49,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:49,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:49,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:49,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:49,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:10:49,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901551311]
[2020-09-25 11:10:49,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:49,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:49,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053384516]
[2020-09-25 11:10:49,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:49,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:49,044 INFO L87 Difference]: Start difference. First operand 665 states and 802 transitions. Second operand 3 states.
[2020-09-25 11:10:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:49,146 INFO L93 Difference]: Finished difference Result 1672 states and 2075 transitions.
[2020-09-25 11:10:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:49,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204
[2020-09-25 11:10:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:49,153 INFO L225 Difference]: With dead ends: 1672
[2020-09-25 11:10:49,154 INFO L226 Difference]: Without dead ends: 1163
[2020-09-25 11:10:49,155 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 11:10:49,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states.
[2020-09-25 11:10:49,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1161.
[2020-09-25 11:10:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1161 states.
[2020-09-25 11:10:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1424 transitions.
[2020-09-25 11:10:49,194 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1424 transitions. Word has length 204
[2020-09-25 11:10:49,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:49,195 INFO L479 AbstractCegarLoop]: Abstraction has 1161 states and 1424 transitions.
[2020-09-25 11:10:49,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1424 transitions.
[2020-09-25 11:10:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2020-09-25 11:10:49,200 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:49,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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]
[2020-09-25 11:10:49,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 11:10:49,201 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:49,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1519790942, now seen corresponding path program 1 times
[2020-09-25 11:10:49,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:49,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503495795]
[2020-09-25 11:10:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:49,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:49,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:49,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:49,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:50,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:50,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214
[2020-09-25 11:10:50,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:10:50,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584
[2020-09-25 11:10:50,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:50,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162
[2020-09-25 11:10:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36
[2020-09-25 11:10:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:50,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:50,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:50,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:50,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:50,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:50,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:50,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:50,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:50,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:10:50,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503495795]
[2020-09-25 11:10:50,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:50,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:50,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341462763]
[2020-09-25 11:10:50,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:50,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:50,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:50,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:50,939 INFO L87 Difference]: Start difference. First operand 1161 states and 1424 transitions. Second operand 3 states.
[2020-09-25 11:10:51,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:51,031 INFO L93 Difference]: Finished difference Result 2158 states and 2677 transitions.
[2020-09-25 11:10:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:51,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205
[2020-09-25 11:10:51,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:51,038 INFO L225 Difference]: With dead ends: 2158
[2020-09-25 11:10:51,038 INFO L226 Difference]: Without dead ends: 1153
[2020-09-25 11:10:51,041 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 11:10:51,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states.
[2020-09-25 11:10:51,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1151.
[2020-09-25 11:10:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states.
[2020-09-25 11:10:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1407 transitions.
[2020-09-25 11:10:51,083 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1407 transitions. Word has length 205
[2020-09-25 11:10:51,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:51,083 INFO L479 AbstractCegarLoop]: Abstraction has 1151 states and 1407 transitions.
[2020-09-25 11:10:51,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1407 transitions.
[2020-09-25 11:10:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2020-09-25 11:10:51,087 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:51,087 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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]
[2020-09-25 11:10:51,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 11:10:51,088 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:51,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:51,088 INFO L82 PathProgramCache]: Analyzing trace with hash 27680960, now seen corresponding path program 1 times
[2020-09-25 11:10:51,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:51,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295858762]
[2020-09-25 11:10:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:51,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:51,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:51,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215
[2020-09-25 11:10:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:10:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823
[2020-09-25 11:10:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:51,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:10:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165
[2020-09-25 11:10:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-25 11:10:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:52,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:52,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:52,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:52,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:52,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:52,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:10:52,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295858762]
[2020-09-25 11:10:52,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 11:10:52,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-09-25 11:10:52,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53865979]
[2020-09-25 11:10:52,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 11:10:52,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:52,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 11:10:52,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-25 11:10:52,062 INFO L87 Difference]: Start difference. First operand 1151 states and 1407 transitions. Second operand 6 states.
[2020-09-25 11:10:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:53,083 INFO L93 Difference]: Finished difference Result 5010 states and 6272 transitions.
[2020-09-25 11:10:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-25 11:10:53,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206
[2020-09-25 11:10:53,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:53,105 INFO L225 Difference]: With dead ends: 5010
[2020-09-25 11:10:53,105 INFO L226 Difference]: Without dead ends: 4015
[2020-09-25 11:10:53,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156
[2020-09-25 11:10:53,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4015 states.
[2020-09-25 11:10:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4015 to 1663.
[2020-09-25 11:10:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states.
[2020-09-25 11:10:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2071 transitions.
[2020-09-25 11:10:53,195 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2071 transitions. Word has length 206
[2020-09-25 11:10:53,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:53,195 INFO L479 AbstractCegarLoop]: Abstraction has 1663 states and 2071 transitions.
[2020-09-25 11:10:53,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 11:10:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2071 transitions.
[2020-09-25 11:10:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2020-09-25 11:10:53,202 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:53,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-09-25 11:10:53,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 11:10:53,203 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:53,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:53,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1995787975, now seen corresponding path program 1 times
[2020-09-25 11:10:53,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:53,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644508343]
[2020-09-25 11:10:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:53,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:53,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:53,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233
[2020-09-25 11:10:53,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:10:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271
[2020-09-25 11:10:53,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:53,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190
[2020-09-25 11:10:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42
[2020-09-25 11:10:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:53,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:53,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:53,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:53,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:53,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:53,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:53,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:53,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-09-25 11:10:53,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644508343]
[2020-09-25 11:10:53,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:53,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:53,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324241035]
[2020-09-25 11:10:53,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:53,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:53,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:53,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:53,612 INFO L87 Difference]: Start difference. First operand 1663 states and 2071 transitions. Second operand 3 states.
[2020-09-25 11:10:53,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:53,752 INFO L93 Difference]: Finished difference Result 3929 states and 4957 transitions.
[2020-09-25 11:10:53,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:53,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224
[2020-09-25 11:10:53,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:53,764 INFO L225 Difference]: With dead ends: 3929
[2020-09-25 11:10:53,765 INFO L226 Difference]: Without dead ends: 2422
[2020-09-25 11:10:53,771 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 11:10:53,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states.
[2020-09-25 11:10:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2420.
[2020-09-25 11:10:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states.
[2020-09-25 11:10:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3033 transitions.
[2020-09-25 11:10:53,868 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3033 transitions. Word has length 224
[2020-09-25 11:10:53,868 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:53,868 INFO L479 AbstractCegarLoop]: Abstraction has 2420 states and 3033 transitions.
[2020-09-25 11:10:53,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3033 transitions.
[2020-09-25 11:10:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2020-09-25 11:10:53,873 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:53,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:10:53,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 11:10:53,874 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:53,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1259631890, now seen corresponding path program 1 times
[2020-09-25 11:10:53,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:53,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610792826]
[2020-09-25 11:10:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:54,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:54,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:54,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238
[2020-09-25 11:10:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:10:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774
[2020-09-25 11:10:54,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:54,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165
[2020-09-25 11:10:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31
[2020-09-25 11:10:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:54,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:54,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:54,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:54,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:54,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:54,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:54,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:54,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:54,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:54,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-09-25 11:10:54,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610792826]
[2020-09-25 11:10:54,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:54,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:54,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893764836]
[2020-09-25 11:10:54,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:54,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:54,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:54,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:54,766 INFO L87 Difference]: Start difference. First operand 2420 states and 3033 transitions. Second operand 3 states.
[2020-09-25 11:10:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:55,093 INFO L93 Difference]: Finished difference Result 5224 states and 6740 transitions.
[2020-09-25 11:10:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:55,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229
[2020-09-25 11:10:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:55,138 INFO L225 Difference]: With dead ends: 5224
[2020-09-25 11:10:55,138 INFO L226 Difference]: Without dead ends: 2855
[2020-09-25 11:10:55,143 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
[2020-09-25 11:10:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states.
[2020-09-25 11:10:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2759.
[2020-09-25 11:10:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2759 states.
[2020-09-25 11:10:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3507 transitions.
[2020-09-25 11:10:55,262 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3507 transitions. Word has length 229
[2020-09-25 11:10:55,263 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:55,263 INFO L479 AbstractCegarLoop]: Abstraction has 2759 states and 3507 transitions.
[2020-09-25 11:10:55,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3507 transitions.
[2020-09-25 11:10:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2020-09-25 11:10:55,272 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:55,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:10:55,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-25 11:10:55,273 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:55,274 INFO L82 PathProgramCache]: Analyzing trace with hash -445997892, now seen corresponding path program 1 times
[2020-09-25 11:10:55,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:55,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793373789]
[2020-09-25 11:10:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:55,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:55,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:55,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:57,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:57,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244
[2020-09-25 11:10:57,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 11:10:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1698
[2020-09-25 11:10:57,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:57,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 11:10:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210
[2020-09-25 11:10:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-25 11:10:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:57,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:57,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:57,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:57,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:57,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-25 11:10:57,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793373789]
[2020-09-25 11:10:57,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:57,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:10:57,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786815768]
[2020-09-25 11:10:57,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:10:57,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:57,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:10:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:10:57,146 INFO L87 Difference]: Start difference. First operand 2759 states and 3507 transitions. Second operand 4 states.
[2020-09-25 11:10:57,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:57,449 INFO L93 Difference]: Finished difference Result 5712 states and 7263 transitions.
[2020-09-25 11:10:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:10:57,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 235
[2020-09-25 11:10:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:57,464 INFO L225 Difference]: With dead ends: 5712
[2020-09-25 11:10:57,465 INFO L226 Difference]: Without dead ends: 3109
[2020-09-25 11:10:57,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:10:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states.
[2020-09-25 11:10:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2578.
[2020-09-25 11:10:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2578 states.
[2020-09-25 11:10:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3285 transitions.
[2020-09-25 11:10:57,570 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3285 transitions. Word has length 235
[2020-09-25 11:10:57,571 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:57,571 INFO L479 AbstractCegarLoop]: Abstraction has 2578 states and 3285 transitions.
[2020-09-25 11:10:57,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:10:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3285 transitions.
[2020-09-25 11:10:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2020-09-25 11:10:57,578 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:57,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:10:57,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-25 11:10:57,579 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:57,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:57,579 INFO L82 PathProgramCache]: Analyzing trace with hash 20327259, now seen corresponding path program 1 times
[2020-09-25 11:10:57,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:57,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880131754]
[2020-09-25 11:10:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:57,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:57,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:58,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:59,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:59,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245
[2020-09-25 11:10:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 11:10:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2082
[2020-09-25 11:10:59,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:59,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 11:10:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210
[2020-09-25 11:10:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 11:10:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:59,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:59,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:59,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:59,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:10:59,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:59,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:59,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-25 11:10:59,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880131754]
[2020-09-25 11:10:59,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:59,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:10:59,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926371957]
[2020-09-25 11:10:59,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:10:59,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:59,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:10:59,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:10:59,797 INFO L87 Difference]: Start difference. First operand 2578 states and 3285 transitions. Second operand 4 states.
[2020-09-25 11:11:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:00,088 INFO L93 Difference]: Finished difference Result 5289 states and 6746 transitions.
[2020-09-25 11:11:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:11:00,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236
[2020-09-25 11:11:00,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:00,103 INFO L225 Difference]: With dead ends: 5289
[2020-09-25 11:11:00,103 INFO L226 Difference]: Without dead ends: 2867
[2020-09-25 11:11:00,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:11:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states.
[2020-09-25 11:11:00,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 2555.
[2020-09-25 11:11:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2555 states.
[2020-09-25 11:11:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3258 transitions.
[2020-09-25 11:11:00,204 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3258 transitions. Word has length 236
[2020-09-25 11:11:00,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:00,205 INFO L479 AbstractCegarLoop]: Abstraction has 2555 states and 3258 transitions.
[2020-09-25 11:11:00,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:11:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3258 transitions.
[2020-09-25 11:11:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2020-09-25 11:11:00,211 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:00,211 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 11:11:00,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-25 11:11:00,212 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:00,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:00,212 INFO L82 PathProgramCache]: Analyzing trace with hash -546259776, now seen corresponding path program 1 times
[2020-09-25 11:11:00,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:00,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199114869]
[2020-09-25 11:11:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:00,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:00,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:03,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:03,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245
[2020-09-25 11:11:03,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 11:11:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2861
[2020-09-25 11:11:03,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:03,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 11:11:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210
[2020-09-25 11:11:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 11:11:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:03,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:03,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:03,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:03,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:03,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:03,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:03,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:03,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2020-09-25 11:11:03,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199114869]
[2020-09-25 11:11:03,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:03,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:11:03,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558185375]
[2020-09-25 11:11:03,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:11:03,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:03,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:11:03,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:11:03,195 INFO L87 Difference]: Start difference. First operand 2555 states and 3258 transitions. Second operand 4 states.
[2020-09-25 11:11:03,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:03,469 INFO L93 Difference]: Finished difference Result 5386 states and 6863 transitions.
[2020-09-25 11:11:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:11:03,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236
[2020-09-25 11:11:03,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:03,483 INFO L225 Difference]: With dead ends: 5386
[2020-09-25 11:11:03,483 INFO L226 Difference]: Without dead ends: 2987
[2020-09-25 11:11:03,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:11:03,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states.
[2020-09-25 11:11:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2555.
[2020-09-25 11:11:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2555 states.
[2020-09-25 11:11:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3258 transitions.
[2020-09-25 11:11:03,648 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3258 transitions. Word has length 236
[2020-09-25 11:11:03,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:03,649 INFO L479 AbstractCegarLoop]: Abstraction has 2555 states and 3258 transitions.
[2020-09-25 11:11:03,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:11:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3258 transitions.
[2020-09-25 11:11:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2020-09-25 11:11:03,658 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:03,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-09-25 11:11:03,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-25 11:11:03,659 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 742893832, now seen corresponding path program 1 times
[2020-09-25 11:11:03,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:03,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080727848]
[2020-09-25 11:11:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:04,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:04,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:04,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:06,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:06,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245
[2020-09-25 11:11:06,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 11:11:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3072
[2020-09-25 11:11:06,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:06,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:11:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202
[2020-09-25 11:11:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 11:11:06,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:06,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:06,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:06,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:06,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:06,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:06,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:06,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-09-25 11:11:06,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080727848]
[2020-09-25 11:11:06,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:06,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:11:06,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022504410]
[2020-09-25 11:11:06,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:11:06,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:06,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:11:06,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:11:06,851 INFO L87 Difference]: Start difference. First operand 2555 states and 3258 transitions. Second operand 3 states.
[2020-09-25 11:11:07,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:07,183 INFO L93 Difference]: Finished difference Result 5461 states and 7046 transitions.
[2020-09-25 11:11:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:11:07,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236
[2020-09-25 11:11:07,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:07,197 INFO L225 Difference]: With dead ends: 5461
[2020-09-25 11:11:07,197 INFO L226 Difference]: Without dead ends: 2951
[2020-09-25 11:11:07,206 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 11:11:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states.
[2020-09-25 11:11:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2645.
[2020-09-25 11:11:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states.
[2020-09-25 11:11:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3345 transitions.
[2020-09-25 11:11:07,297 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3345 transitions. Word has length 236
[2020-09-25 11:11:07,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:07,298 INFO L479 AbstractCegarLoop]: Abstraction has 2645 states and 3345 transitions.
[2020-09-25 11:11:07,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:11:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3345 transitions.
[2020-09-25 11:11:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239
[2020-09-25 11:11:07,304 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:07,304 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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]
[2020-09-25 11:11:07,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-25 11:11:07,305 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:07,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:07,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1608137162, now seen corresponding path program 1 times
[2020-09-25 11:11:07,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:07,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815240908]
[2020-09-25 11:11:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:07,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:07,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:08,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:10,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:10,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247
[2020-09-25 11:11:10,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 11:11:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3045
[2020-09-25 11:11:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:10,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:11:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165
[2020-09-25 11:11:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 11:11:10,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:10,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:10,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:10,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:10,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:10,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-09-25 11:11:10,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815240908]
[2020-09-25 11:11:10,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:10,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:11:10,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137453601]
[2020-09-25 11:11:10,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:11:10,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:10,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:11:10,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:11:10,465 INFO L87 Difference]: Start difference. First operand 2645 states and 3345 transitions. Second operand 4 states.
[2020-09-25 11:11:10,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:10,904 INFO L93 Difference]: Finished difference Result 7905 states and 10225 transitions.
[2020-09-25 11:11:10,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:11:10,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 238
[2020-09-25 11:11:10,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:10,946 INFO L225 Difference]: With dead ends: 7905
[2020-09-25 11:11:10,947 INFO L226 Difference]: Without dead ends: 5416
[2020-09-25 11:11:10,956 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
[2020-09-25 11:11:10,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states.
[2020-09-25 11:11:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 2738.
[2020-09-25 11:11:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2738 states.
[2020-09-25 11:11:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3477 transitions.
[2020-09-25 11:11:11,056 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3477 transitions. Word has length 238
[2020-09-25 11:11:11,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:11,057 INFO L479 AbstractCegarLoop]: Abstraction has 2738 states and 3477 transitions.
[2020-09-25 11:11:11,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:11:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3477 transitions.
[2020-09-25 11:11:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2020-09-25 11:11:11,063 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:11,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:11:11,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-25 11:11:11,064 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:11,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:11,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1953419976, now seen corresponding path program 1 times
[2020-09-25 11:11:11,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:11,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000267328]
[2020-09-25 11:11:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:11,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:13,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:13,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252
[2020-09-25 11:11:13,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 11:11:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2581
[2020-09-25 11:11:13,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:13,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:11:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165
[2020-09-25 11:11:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 11:11:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:13,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:13,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:11:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:13,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-09-25 11:11:13,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000267328]
[2020-09-25 11:11:13,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:13,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:11:13,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733521668]
[2020-09-25 11:11:13,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:11:13,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:13,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:11:13,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:11:13,756 INFO L87 Difference]: Start difference. First operand 2738 states and 3477 transitions. Second operand 4 states.
[2020-09-25 11:11:14,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:14,210 INFO L93 Difference]: Finished difference Result 6457 states and 8230 transitions.
[2020-09-25 11:11:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:11:14,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243
[2020-09-25 11:11:14,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:14,223 INFO L225 Difference]: With dead ends: 6457
[2020-09-25 11:11:14,223 INFO L226 Difference]: Without dead ends: 3875
[2020-09-25 11:11:14,231 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
[2020-09-25 11:11:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3875 states.
[2020-09-25 11:11:14,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3875 to 2029.
[2020-09-25 11:11:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2029 states.
[2020-09-25 11:11:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 2029 states and 2553 transitions.
[2020-09-25 11:11:14,306 INFO L78 Accepts]: Start accepts. Automaton has 2029 states and 2553 transitions. Word has length 243
[2020-09-25 11:11:14,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:14,307 INFO L479 AbstractCegarLoop]: Abstraction has 2029 states and 2553 transitions.
[2020-09-25 11:11:14,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:11:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2553 transitions.
[2020-09-25 11:11:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264
[2020-09-25 11:11:14,313 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:14,313 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2020-09-25 11:11:14,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-25 11:11:14,314 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1304433048, now seen corresponding path program 1 times
[2020-09-25 11:11:14,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:14,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610839461]
[2020-09-25 11:11:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:14,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:14,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:14,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272
[2020-09-25 11:11:15,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 11:11:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236
[2020-09-25 11:11:15,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:15,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:15,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:11:15,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193
[2020-09-25 11:11:15,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 11:11:15,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:15,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:15,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:15,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:15,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:15,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:15,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-09-25 11:11:15,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610839461]
[2020-09-25 11:11:15,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:15,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:11:15,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082148681]
[2020-09-25 11:11:15,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:11:15,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:15,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:11:15,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:11:15,671 INFO L87 Difference]: Start difference. First operand 2029 states and 2553 transitions. Second operand 3 states.
[2020-09-25 11:11:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:15,903 INFO L93 Difference]: Finished difference Result 4056 states and 5166 transitions.
[2020-09-25 11:11:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:11:15,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263
[2020-09-25 11:11:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:15,908 INFO L225 Difference]: With dead ends: 4056
[2020-09-25 11:11:15,908 INFO L226 Difference]: Without dead ends: 2153
[2020-09-25 11:11:15,912 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 11:11:15,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states.
[2020-09-25 11:11:15,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2137.
[2020-09-25 11:11:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2137 states.
[2020-09-25 11:11:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 2683 transitions.
[2020-09-25 11:11:15,965 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 2683 transitions. Word has length 263
[2020-09-25 11:11:15,965 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:15,965 INFO L479 AbstractCegarLoop]: Abstraction has 2137 states and 2683 transitions.
[2020-09-25 11:11:15,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:11:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2683 transitions.
[2020-09-25 11:11:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264
[2020-09-25 11:11:15,975 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:15,975 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2020-09-25 11:11:15,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-25 11:11:15,976 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:15,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:15,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1637140168, now seen corresponding path program 1 times
[2020-09-25 11:11:15,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:15,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749702319]
[2020-09-25 11:11:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:16,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:16,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:16,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:16,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272
[2020-09-25 11:11:16,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:11:16,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 760
[2020-09-25 11:11:16,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:16,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:11:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255
[2020-09-25 11:11:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 11:11:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:11:16,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:16,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:16,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:16,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:16,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:16,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:16,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2020-09-25 11:11:17,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749702319]
[2020-09-25 11:11:17,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:17,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:11:17,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378685888]
[2020-09-25 11:11:17,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:11:17,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:17,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:11:17,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:11:17,017 INFO L87 Difference]: Start difference. First operand 2137 states and 2683 transitions. Second operand 3 states.
[2020-09-25 11:11:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:17,192 INFO L93 Difference]: Finished difference Result 5995 states and 7593 transitions.
[2020-09-25 11:11:17,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:11:17,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263
[2020-09-25 11:11:17,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:17,207 INFO L225 Difference]: With dead ends: 5995
[2020-09-25 11:11:17,208 INFO L226 Difference]: Without dead ends: 4014
[2020-09-25 11:11:17,215 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 11:11:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4014 states.
[2020-09-25 11:11:17,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 3994.
[2020-09-25 11:11:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3994 states.
[2020-09-25 11:11:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5045 transitions.
[2020-09-25 11:11:17,418 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5045 transitions. Word has length 263
[2020-09-25 11:11:17,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:17,419 INFO L479 AbstractCegarLoop]: Abstraction has 3994 states and 5045 transitions.
[2020-09-25 11:11:17,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:11:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5045 transitions.
[2020-09-25 11:11:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265
[2020-09-25 11:11:17,424 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:17,425 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:11:17,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-25 11:11:17,425 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:17,426 INFO L82 PathProgramCache]: Analyzing trace with hash -227250200, now seen corresponding path program 1 times
[2020-09-25 11:11:17,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:17,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45640072]
[2020-09-25 11:11:17,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:17,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:17,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273
[2020-09-25 11:11:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 11:11:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3277
[2020-09-25 11:11:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:20,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 11:11:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 238
[2020-09-25 11:11:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 11:11:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:11:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:11:20,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:11:20,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:11:20,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:11:20,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:11:20,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 11:11:20,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:11:20,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:11:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:11:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:11:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:11:20,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:11:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2020-09-25 11:11:20,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45640072]
[2020-09-25 11:11:20,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:11:20,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 11:11:20,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564890518]
[2020-09-25 11:11:20,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 11:11:20,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:11:20,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 11:11:20,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 11:11:20,839 INFO L87 Difference]: Start difference. First operand 3994 states and 5045 transitions. Second operand 4 states.
[2020-09-25 11:11:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:11:21,149 INFO L93 Difference]: Finished difference Result 8550 states and 10835 transitions.
[2020-09-25 11:11:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 11:11:21,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 264
[2020-09-25 11:11:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:11:21,159 INFO L225 Difference]: With dead ends: 8550
[2020-09-25 11:11:21,159 INFO L226 Difference]: Without dead ends: 4712
[2020-09-25 11:11:21,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:11:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4712 states.
[2020-09-25 11:11:21,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4712 to 1777.
[2020-09-25 11:11:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states.
[2020-09-25 11:11:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2221 transitions.
[2020-09-25 11:11:21,233 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2221 transitions. Word has length 264
[2020-09-25 11:11:21,233 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:11:21,233 INFO L479 AbstractCegarLoop]: Abstraction has 1777 states and 2221 transitions.
[2020-09-25 11:11:21,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 11:11:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2221 transitions.
[2020-09-25 11:11:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266
[2020-09-25 11:11:21,237 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:11:21,238 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:11:21,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-25 11:11:21,238 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:11:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:11:21,239 INFO L82 PathProgramCache]: Analyzing trace with hash -196875119, now seen corresponding path program 1 times
[2020-09-25 11:11:21,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:11:21,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417032729]
[2020-09-25 11:11:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:11:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 11:11:21,271 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 11:11:21,271 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 11:11:21,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-25 11:11:21,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:11:21 BoogieIcfgContainer
[2020-09-25 11:11:21,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 11:11:21,316 INFO L168 Benchmark]: Toolchain (without parser) took 43076.18 ms. Allocated memory was 148.4 MB in the beginning and 647.5 MB in the end (delta: 499.1 MB). Free memory was 104.1 MB in the beginning and 304.8 MB in the end (delta: -200.7 MB). Peak memory consumption was 298.4 MB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,317 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.90 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 180.6 MB in the end (delta: -77.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,318 INFO L168 Benchmark]: Boogie Preprocessor took 70.83 ms. Allocated memory is still 205.5 MB. Free memory was 180.6 MB in the beginning and 177.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,319 INFO L168 Benchmark]: RCFGBuilder took 1036.79 ms. Allocated memory is still 205.5 MB. Free memory was 177.9 MB in the beginning and 104.6 MB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,319 INFO L168 Benchmark]: TraceAbstraction took 41361.16 ms. Allocated memory was 205.5 MB in the beginning and 647.5 MB in the end (delta: 442.0 MB). Free memory was 104.6 MB in the beginning and 304.8 MB in the end (delta: -200.2 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB.
[2020-09-25 11:11:21,322 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 596.90 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 180.6 MB in the end (delta: -77.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 70.83 ms. Allocated memory is still 205.5 MB. Free memory was 180.6 MB in the beginning and 177.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1036.79 ms. Allocated memory is still 205.5 MB. Free memory was 177.9 MB in the beginning and 104.6 MB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 41361.16 ms. Allocated memory was 205.5 MB in the beginning and 647.5 MB in the end (delta: 442.0 MB). Free memory was 104.6 MB in the beginning and 304.8 MB in the end (delta: -200.2 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 642]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L647] int s ;
[L648] int tmp ;
[L652] s = 8464
[L653] CALL ssl3_accept(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__hit = __VERIFIER_nondet_int() ;
[L20] int s__rwstate ;
[L21] int s__init_buf___0 = 1;
[L22] int s__debug = __VERIFIER_nondet_int() ;
[L23] int s__shutdown ;
[L24] int s__cert = __VERIFIER_nondet_int() ;
[L25] int s__options = __VERIFIER_nondet_int() ;
[L26] int s__verify_mode = __VERIFIER_nondet_int() ;
[L27] int s__session__peer = __VERIFIER_nondet_int() ;
[L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ;
[L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ;
[L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ;
[L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ;
[L33] int s__s3__tmp__cert_request ;
[L34] int s__s3__tmp__reuse_message ;
[L35] int s__s3__tmp__use_rsa_tmp ;
[L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L37] int s__s3__tmp__new_cipher__algorithms ;
[L38] int s__s3__tmp__next_state___0 ;
[L39] int s__s3__tmp__new_cipher__algo_strength ;
[L40] int s__session__cipher ;
[L41] int buf ;
[L42] unsigned long l ;
[L43] unsigned long Time ;
[L44] unsigned long tmp ;
[L45] int cb ;
[L46] long num1 = __VERIFIER_nondet_long() ;
[L47] int ret ;
[L48] int new_state ;
[L49] int state ;
[L50] int skip ;
[L51] int got_new_session ;
[L52] int tmp___1 = __VERIFIER_nondet_int() ;
[L53] int tmp___2 = __VERIFIER_nondet_int() ;
[L54] int tmp___3 = __VERIFIER_nondet_int() ;
[L55] int tmp___4 = __VERIFIER_nondet_int() ;
[L56] int tmp___5 = __VERIFIER_nondet_int() ;
[L57] int tmp___6 = __VERIFIER_nondet_int() ;
[L58] int tmp___7 = __VERIFIER_nondet_int() ;
[L59] long tmp___8 = __VERIFIER_nondet_long() ;
[L60] int tmp___9 = __VERIFIER_nondet_int() ;
[L61] int tmp___10 = __VERIFIER_nondet_int() ;
[L62] int blastFlag ;
[L63] int __cil_tmp55 ;
[L64] unsigned long __cil_tmp56 ;
[L65] unsigned long __cil_tmp57 ;
[L66] unsigned long __cil_tmp58 ;
[L67] unsigned long __cil_tmp59 ;
[L68] int __cil_tmp60 ;
[L69] unsigned long __cil_tmp61 ;
[L72] s__state = initial_state
[L73] blastFlag = 0
[L74] tmp = __VERIFIER_nondet_int()
[L75] Time = tmp
[L76] cb = 0
[L77] ret = -1
[L78] skip = 0
[L79] got_new_session = 0
[L80] COND TRUE s__info_callback != 0
[L81] cb = s__info_callback
[L87] s__in_handshake ++
[L88] COND FALSE !(tmp___1 + 12288)
[L93] COND FALSE !(s__cert == 0)
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 8192)
[L109] COND FALSE !(s__state == 24576)
[L112] COND FALSE !(s__state == 8195)
[L115] COND FALSE !(s__state == 8480)
[L118] COND FALSE !(s__state == 8481)
[L121] COND FALSE !(s__state == 8482)
[L124] COND TRUE s__state == 8464
[L270] s__shutdown = 0
[L271] ret = __VERIFIER_nondet_int()
[L272] COND TRUE blastFlag == 0
[L273] blastFlag = 1
[L275] COND FALSE !(ret <= 0)
[L278] got_new_session = 1
[L279] s__state = 8496
[L280] s__init_num = 0
[L599] s__s3__tmp__reuse_message = __VERIFIER_nondet_int()
[L600] COND FALSE !(! s__s3__tmp__reuse_message)
[L631] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 8192)
[L109] COND FALSE !(s__state == 24576)
[L112] COND FALSE !(s__state == 8195)
[L115] COND FALSE !(s__state == 8480)
[L118] COND FALSE !(s__state == 8481)
[L121] COND FALSE !(s__state == 8482)
[L124] COND FALSE !(s__state == 8464)
[L127] COND FALSE !(s__state == 8465)
[L130] COND FALSE !(s__state == 8466)
[L133] COND TRUE s__state == 8496
[L284] ret = __VERIFIER_nondet_int()
[L285] COND TRUE blastFlag == 1
[L286] blastFlag = 2
[L288] COND FALSE !(ret <= 0)
[L291] COND FALSE !(\read(s__hit))
[L294] s__state = 8512
[L296] s__init_num = 0
[L599] s__s3__tmp__reuse_message = __VERIFIER_nondet_int()
[L600] COND FALSE !(! s__s3__tmp__reuse_message)
[L631] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 8192)
[L109] COND FALSE !(s__state == 24576)
[L112] COND FALSE !(s__state == 8195)
[L115] COND FALSE !(s__state == 8480)
[L118] COND FALSE !(s__state == 8481)
[L121] COND FALSE !(s__state == 8482)
[L124] COND FALSE !(s__state == 8464)
[L127] COND FALSE !(s__state == 8465)
[L130] COND FALSE !(s__state == 8466)
[L133] COND FALSE !(s__state == 8496)
[L136] COND FALSE !(s__state == 8497)
[L139] COND TRUE s__state == 8512
[L301] s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int()
[L302] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms
[L303] COND TRUE __cil_tmp56 + 256UL
[L304] skip = 1
[L315] s__state = 8528
[L316] s__init_num = 0
[L599] s__s3__tmp__reuse_message = __VERIFIER_nondet_int()
[L600] COND FALSE !(! s__s3__tmp__reuse_message)
[L631] skip = 0
[L97] COND TRUE 1
[L99] state = s__state
[L100] COND FALSE !(s__state == 12292)
[L103] COND FALSE !(s__state == 16384)
[L106] COND FALSE !(s__state == 8192)
[L109] COND FALSE !(s__state == 24576)
[L112] COND FALSE !(s__state == 8195)
[L115] COND FALSE !(s__state == 8480)
[L118] COND FALSE !(s__state == 8481)
[L121] COND FALSE !(s__state == 8482)
[L124] COND FALSE !(s__state == 8464)
[L127] COND FALSE !(s__state == 8465)
[L130] COND FALSE !(s__state == 8466)
[L133] COND FALSE !(s__state == 8496)
[L136] COND FALSE !(s__state == 8497)
[L139] COND FALSE !(s__state == 8512)
[L142] COND FALSE !(s__state == 8513)
[L145] COND TRUE s__state == 8528
[L320] s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int()
[L321] l = (unsigned long )s__s3__tmp__new_cipher__algorithms
[L323] __cil_tmp57 = (unsigned long )s__options
[L324] COND TRUE __cil_tmp57 + 2097152UL
[L325] s__s3__tmp__use_rsa_tmp = 1
[L330] COND TRUE \read(s__s3__tmp__use_rsa_tmp)
[L357] ret = __VERIFIER_nondet_int()
[L358] COND FALSE !(blastFlag == 6)
[L361] COND FALSE !(ret <= 0)
[L378] s__state = 8544
[L379] s__init_num = 0
[L599] s__s3__tmp__reuse_message = __VERIFIER_nondet_int()
[L600] COND TRUE ! s__s3__tmp__reuse_message
[L601] COND TRUE ! skip
[L602] COND TRUE state == 8528
[L603] COND TRUE s__state == 8544
[L604] COND TRUE tmp___7 != 1024
[L605] COND TRUE tmp___7 != 512
[L606] COND TRUE __cil_tmp58 != 4294967294
[L607] COND TRUE l != 4294967266
[L642] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 440 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 41.2s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9373 SDtfs, 9424 SDslu, 12101 SDs, 0 SdLazy, 2713 SolverSat, 506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3994occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 11672 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 31.5s InterpolantComputationTime, 4259 NumberOfCodeBlocks, 4259 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3976 ConstructedInterpolants, 0 QuantifiedInterpolants, 1255846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 780/790 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...